Manuale d’uso / di manutenzione del prodotto Acterra MX del fabbricante Sterling Trucks
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ACTERRA MAINTENANCE MANUAL Models: MX STI-403-1 (10/08P) Published by Daimler T rucks North America LLC 4747 N. Channel Ave. Portland, OR 97217 Printed in U.
Foreword Scheduled maintenance provides a key element for the safe operation of your vehicle. A proper maintenance program also helps to minimize downtime and to safeguard warranties. This maintenance manual provides information necessary for years of safe, reliable, and cost-eff icient vehicle operation.
Daimler T rucks North America LLC distributes the following major service publications in paper and electronic (via ServicePro ® ) formats. Workshop/Service Manual Workshop/service manuals contain service and repair information for all vehicle systems and components, except for major components such as engines, trans- missions, and rear axles.
W arranty-related service information available on the AccessSterling.com website includes the following docu- mentation. Recall Campaigns Recall campaigns cover situations that involve service work or replacement of parts in connection with a recall notice.
For an example of an Acterra Maintenance Manual page, see Fig. 1 . 02/11/2002 f020103 A BC D E Frame and Fifth Wheel 31 31−01 Frame Fastener Torque Checking 31−02 Fifth Wheel Inspecting and Lubricating Acterra Trucks Maintenance Manual, April 2000 31/1 FONTANE HOLLAND CAUTION: A.
Group No. Group Title 0 0 ...................... General Information 0 1 ................................ Engine 0 9.............................. A i r Intake 1 3 ......................... A i r Compressor 1 5 ................... Alternators and Starters 2 0 .
Title of Maintenance Operation (MOP) MOP Number Initial Maintenance (IM) Operations T able ................................................ 00–09 Lubrication and Fluid Level Check (M1) .................................................. 00–15 Lubrication and Fluid Level Check (M2) .
General Information Federal Law , Part 205: T ransportation Equipment Noise Emission Controls Part 205, T ransportation Equipment Noise Emission Controls, requires the vehicle manufacturer to fur- nis.
V erification of Inspections Log V erification of Inspections Log — Group 20 V erification of Inspections Log — Group 20 — Engine Cooling/Radiator Date Mileage Repair Description Cost Repair .
T orque V alues for U.S. Customary Thread Fasteners With Lubricated * or Plated Threads † Thread Diameter– Pitch Regular Hex Flanged Grade 5 Bolt Grade 5 or BN u t Grade 8 or 8.
T orque V alues for U.S. Customary Thread Fasteners With Dry (Unlubricated) * Plain (Unplated) Threads † Thread Diameter–Pitch Regular Hex Flanged Grade 5 Bolt G r a d e5o rB Nut Grade 8 or 8.
T orque V alues for Metric Thread Fasteners With Lubricated * or Plated Threads † Thread Diameter–Pitch Class 8.8 Bolt Class 8 Nut Class 10.9 Bolt Class 10 Nut T orque: lbf·ft (N·m) T orque: lbf·ft (N·m) f230010 8.8 f230011 8 f230012 10.9 f230013 10 M6 5 (7) 7 (9) M8 12 (16) 17 (23) M8 x 1 13 (18) 18 (24) M10 24 (33) 34 (46) M10 x 1.
When Y ou Know U.S. Customary Multiply By T o Get Metric When Y ou Know Metric Multiply By T o Get U.S. Customary Length inches (in) 25.4 millimeters (mm) 0.03937 inches (in) inches (in) 2.54 centimeters (cm) 0.3937 inches (in) feet (ft) 0.3048 meters (m) 3.
Description Schedule I (severe service) applies to vehicles that annually travel up to 6000 miles (10 000 kilometers) or that operate under severe conditions.
Maintenance Schedule Models Maintenance Interval Operation Maintenance Intervals Frequency Miles Km Hours Schedule I (Severe Service) vehicles that annually travel up to 6000 miles (10 000 km) All Ini.
Maintenance Intervals for Schedule I Maint. No. Maintenance Interval Miles km Hours 1 IM and M1 1000 1600 100 2 M1 2000 3200 200 3 M1 3000 4800 300 4 M1and M2 4000 6400 400 5 M1 5000 8000 500 6 M1 600.
Maintenance Intervals for Schedules II and III (all models) Maint. No. Maintenance Interval Schedule II Schedule III Miles km Miles km 1 IM and M1 8000 12 000 10,000 16 000 2 M1 and M2 16,000 24 000 2.
IMPORT ANT : At each Maintenance Operation Set, in addition to the maintenance operations listed in this table, perform all daily , weekly , and monthly mainte- nance operations listed in the "Pretrip and Post-trip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
Maintenance Operation Sets for Groups 00 through 83 REQUIRED MAINTENANCE OPERA TION SET IM M1 M2 M3 M4 M5 Maintenance Operation Number and Operation Description 33–04 All-Axle Alignment Checking •.
Maintenance Operation Sets for Groups 00 through 83 REQUIRED MAINTENANCE OPERA TION SET IM M1 M2 M3 M4 M5 Maintenance Operation Number and Operation Description 42–23 Bosch Rail-Slide Hydraulic Brak.
IMPORT ANT : After performing all operations in this table, perform all daily and weekly maintenance op- erations listed in the "Pretrip Inspection and Daily Maintenance" chapter of the vehicle driver’s manual. Also, perform all M1 Maintenance Interval Operations at the Initial Maintenance (IM).
IMPORT ANT : After performing all operations listed in this table, perform all daily , weekly , and monthly maintenance operations listed in the "Pretrip and Post-T rip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
Maint. Oper . No. M1 Maintenance Interval Operations 42–09 Automatic Slack Adjuster Checking, Meritor 42–14 Air Brake V alve Leak Checking, Bendix TC–6 42–17 Brake Lining Wear Checking, Hydrau.
IMPORT ANT : After performing all operations listed in this table, perform all daily , weekly , and monthly maintenance operations listed in the "Pretrip and Post-T rip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
IMPORT ANT : After performing all operations listed in this table, perform all daily , weekly , and monthly maintenance operations listed in the "Pretrip and Post-T rip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
IMPORT ANT : After performing all operations listed in this table, perform all daily , weekly , and monthly maintenance operations listed in the "Pretrip and Post-T rip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
IMPORT ANT : After performing all operations listed in this table, perform all daily , weekly , and monthly maintenance operations listed in the "Pretrip and Post-T rip Inspections and Maintenance" chapter of the Acterra ® Driver’s Manual .
Maintenance Operation 00–15 (see T able 10 ), sum- marizes all Lubrication and Fluid Level Check opera- tions that must be performed at the M1 Maintenance Interval for Schedules I, II, and III Maint.
Maintenance Operation 00–16 (see T able 1 1 ), sum- marizes all Lubrication and Fluid Level Check opera- tions that must be performed at the M2 Maintenance Interval for Schedules I, II, and III Main.
Title of Maintenance Operation (MOP) MOP Number Engine Drive Belt Inspecting .......................................................... 01–02 Engine-Support Fasteners Checking .................................................... 01–01 Pacbrake Inspecting and Maintenance .
01–01 Engine-Support Fasteners Checking Front and rear engine supports for vehicles built from January 2007 require no periodic maintenance. Mounts should be inspected when the engine is re- moved for service. For vehicles manufactured prior to January 2007, perform the following check.
checked, not the pulley , to isolate the area from outside interference. 8. Inspect all pulleys for foreign objects, oil, or grease in the grooves. Belt T ension Inspection NOTE: If engine drive belts require adjustment, see Group 01 of the Acterra ® Workshop Manual for instructions.
Engine Component Belt T ension: lbf (kg) Cummins ISB, ISC, ISM Refrigerant Compressor 100 (45) Mercedes-Benz MBE900 Fan and Alternator 29.5 (27.9) Refrigerant Compressor 30.0 (28.4) T able 1, Drive Belt T ensions 01–03 Pacbrake Inspecting and Maintenance With frequent use, the Pacbrake Exhaust Brake will operate maintenance-free.
Title of Maintenance Operation (MOP) MOP Number Air Cleaner Element Inspecting and Replacing ............................................ 09–01 Air Intake 09 Index, Alphabetical Acterra Maintenance .
09–01 Air Cleaner Element Inspecting and Replacing Method 1 Replace the air cleaner element at the recommended interval or when the air restriction indicator reaches 22 inH 2 O on a vehicle with an MBE engine, or 25 inH 2 O on a vehicle with a Caterpillar or Cummins engine, if equipped with an air restriction indicator .
Title of Maintenance Operation (MOP) MOP Number Air Compressor Inspecting, Bendix ..................................................... 13–01 Air Compressor Rebuilding/Replacing, Bendix .
13–01 Air Compressor Inspecting, Bendix Inspect the air intake line, oil supply and return lines, and coolant supply and return hoses for tight connec- tions and general condition. T ighten the connections, and replace the lines and hoses, as needed.
Title of Maintenance Operation (MOP) MOP Number Alternator , Battery , and Starter Connections Checking ....................................... 15–01 Alternators and Starters 15 Index, Alphabetical .
15–01 Alternator , Battery , and Starter Connections Checking WARNING Batteries generate explosive gas as a by-product of their chemical process. Do not smoke when working around batteries. Put out all flames and remove any source of sparks or intense heat in the vicinity of the battery compartment.
Title of Maintenance Operation (MOP) MOP Number Fan Clutch Checking (Noise Emission Control) ............................................ 20–03 Radiator Cap Checking .............................................................. 20–01 Radiator Pressure Flushing and Coolant Changing .
20–01 Radiator Cap Checking WARNING Do not remove or loosen the radiator cap until the engine and cooling system have completely cooled. Use extreme care when removing the cap. A sudden release of pressure from removing the cap prior to the system cooling can result in a surge of scalding coolant that could cause seri- ous personal injury .
4. Drain the radiator , and flush the radiator until clean water flows from the radiator . Remove the flushing gun. 5. Close the petcock at the bottom of the radiator . 6. Connect the hoses. Y our hose clamps can be either T -bolt clamps (see Fig. 3 ) or Breeze Constant-T orque clamps (see Fig.
the coolant level is between the MIN and MAX lines on the surge tank. 7. Fill the radiator with coolant. Use a mixture of 50 percent water and 50 per- cent corrosion-inhibiting antifreeze to protect the engine to –34°F (–37°C) year round. See T able 1 for engine cooling system capaci- ties.
2. Inspect the electrical connections and wires to the fan clutch solenoid. Secure the connection, if loose; replace wires and connectors if damaged. 3. Clean the fan clutch air solenoid valve filter , if equipped. 3.1 Unscrew the fan clutch solenoid valve air filter assembly and remove the filter ele- ment.
10.6 Set the toggle switch to the AUTO or OFF position; the air should exhaust and the fan clutch should disengage. Replace the switch, if necessary . Kysor K22RA Fan Clutch 1. Disconnect the electrical cables from the battery . Drain all air from the air system.
6. Release the air pressure, then disconnect the shop hose from the air inlet of the air cylinder . Connect the vehicle air hose to the inlet. 7. Connect the electrical cables to the battery .
10. Check the fan drive for discoloration or any other signs of slipping or overheating. NOTE: The fan clutch may slip if the air supply pressure is below 70 psi (483 kPa) or if there is a leak inside the fan clutch. Any leak must be remedied. 1 1. Check the fan clutch bearings.
Title of Maintenance Operation (MOP) MOP Number Clutch (Pull-T ype) Inspecting and Adjusting ............................................... 25–02 Clutch Release Bearing and Release Cross-Shaft Lubricating ................................. 25–01 Hydraulic Fluid Level Checking .
25–01 Clutch Release Bearing and Release Cross-Shaft Lubricating Clutch Release Bearing CAUTION Do not over-lubricate the clutch release bearing. Over-lubrication could contaminate the clutch in- ternally , causing clutch slippage and premature failure.
procedures below . Fluid replacement must be done at an authorized Freightliner service facility . Draining and Filling 1. Shut down the engine. 2. Apply the parking brakes, chock the front and rear tires, and open the hood.
4.3 Press down on the pedal several times, until no more fluid drains from the reser- voir . 4.4 Cover the hose to avoid contamination of the clutch hydraulic fluid. 5. Connect the hydraulic hose to the slave cylinder . Install the clamp, as removed.
hose. When no bubbles appear in the fluid, close the valve on the slave cylinder . Release the clutch pedal and then close the valve at the bleeder unit. 8. Disconnect the bleeder unit, and install the cap on the slave cylinder bleeder valve. 9. Check the fluid level in the reservoir .
Title of Maintenance Operation (MOP) MOP Number Allison T ransmission Breather Checking ................................................. 26–03 Allison T ransmission Fluid and Filter Changing ............................................ 26–04 Eaton Fuller and TTC T ransmission Fluid Changing and Magnetic Plug Cleaning .
26–01 Manual T ransmission Fluid Level Checking 1. Park the vehicle on a level surface. Apply the parking brakes and chock the rear tires. 2. With the transmission at operating temperature, check the fluid level in the transmission. 2.1 Clean the area around the fill plug, then remove the plug from the side of the case.
• 42 lbf·ft (57 N·m) for all Mercedes-Benz transmissions. 26–02 Eaton Fuller and TTC T ransmission Fluid Changing and Magnetic Plug Cleaning Draining 1. Park the vehicle on a level surface. Apply the parking brakes and chock the rear tires. 2. Drain the fluid while the transmission is warm.
fected component must be thoroughly drained. Switching to a synthetic lubricant, when a petroleum-based lubricant has been used for 50,000 miles (80 000 km) or longer , may affect transmission performance. Monitor all seal areas for the first 10,000 miles (16 000 km) after changing to a synthetic from a petroleum- based lubricant.
1 1. Check and adjust the fluid level using the proce- dure under "Checking the Fluid Level." Approved Allison T ransmission Lubricants Lubricant T ype * T emperature: °F (°C) SAE Viscosi.
1 1. Submerge a new oil pan gasket in transmission fluid for five minutes. Then place the gasket on the pan; do not use any substance as a gasket retainer . IMPORT ANT : Do not use gasket-sealing com- pounds any place inside the transmission or where they might get washed into the transmis- sion.
the transmission and remove the drain plug. Ex- amine the fluid as it drains. If only the filter is being changed, do not drain the fluid. 4. Remove the 12 mounting bolts (six each) from the two filter covers. NOTE: A lot of fluid will drain when the filter covers are removed.
CAUTION Do not use the bolts to draw the filter covers to the sump. This can damage the covers, seals, or sump. 1 1. Install six bolts in each cover , and torque the bolts 38 to 44 lbf·ft (51 to 61 N·m). 12. Replace the drain plug O-ring, and install the drain plug.
08/30/96 f260369 1 2 3 4 5 6 7 8 9 10 11 12 15 13 14 1. T ransmission Housing 2. T ransmission Oil Pan Gasket 3. 5/16–18 W asher-Head Capscrew 4. Plug 5. T ransmission Oil Pan 6. Magnet 7. Drain Plug Gasket 8. Drain Plug 9. 5/16–18 x 5/8 Capscrew 10.
vented from contacting areas of the oil pan flange that are inside the raised bead of the flange. NOTE: Do not use gasket-type sealing com- pounds or cement anywhere inside the trans- mission or where they might get washed into the transmission.
3. Run the engine for at least one minute. 4. Shift from DRIVE to NEUTRAL, and then shift to REVERSE to fill the hydraulic system. 5. Shift to NEUTRAL and allow the engine to idle at 500–800 rpm. 6. With the engine running at idle, remove the dip- stick from the tube and wipe clean.
26–05 Mercedes-Benz T ransmission Fluid Changing and Magnetic Plug Cleaning Draining 1. Park the vehicle on a level surface. Apply the parking brakes and chock the rear tires. NOTE: Drain the transmission fluid while the transmission is warm. 2. Drain the transmission fluid.
CAUTION Use only the approved Mobiltrans SHC ® DC fluid. Do not mix fluid types. Adding SHC 50 RN 2952 E-5 fluid (used in Eaton and Meritor transmis- sions) could damage the radial seals. 2. Clean the fill plug before installing it. 3. Install the fill plug (p/n N000908 020001) and a new aluminum gasket (p/n N 00763 024105).
WARNING Clutch hydraulic fluid (DOT 3 brake fluid) is haz- ardous. It may be a skin irritant and can cause blindness if it gets in your eyes. Always wear safety glasses when handling clutch hydraulic fluid or bleeding hydraulic lines. If you get clutch hydraulic fluid on your skin, wash it off as soon as possible.
Title of Maintenance Operation (MOP) MOP Number Fifth Wheel Inspecting .............................................................. 31–02 Fifth Wheel Lubricating .............................................................. 31–03 Frame Fastener T orque Checking .
31–01 Frame Fastener T orque Checking Because of "bedding in" (or seating), frame fasteners must be torqued at the recommended intervals. These intervals apply to new vehicles, and to frame fasteners that have been removed and installed.
Check the drive-axle-flange fasteners (see Fig. 2 ) for tightness. T ighten the fasteners as follows: T ighten 1/2-inch drive-axle stud nuts (with or without dowels) 75 to 1 15 lbf·ft (102 to 156 N·m), and tighten 5/8-inch drive-axle stud nuts 150 to 230 lbf·ft (203 to 312 N·m).
8. Replace cracked, worn, or damaged parts with new parts. Replace loose mounting bolts with 5/8–1 1 SAE grade 8 bolts, grade C nuts, and hardened washers. Do not reuse bolts, nuts, and washers on fifth wheel mountings. Holland Disconnect the tractor from the trailer .
Title of Maintenance Operation (MOP) MOP Number Suspension Inspecting .............................................................. 32–01 Suspension Lubricating .............................................................. 32–02 U-Bolt T orque Checking .
32–01 Suspension Inspecting Sterling Front and Rear Suspension Spring Assemblies Inspecting Inspect the front and rear suspension spring assem- blies for pitted, cracked, broken, or abnormally bent leaves and extreme rust. If any of these conditions exist, replace the spring assembly .
• Either bushing end contacts a torque arm pin mounting bolt. • There are cracks in the bushing. • Part of the rubber bushing extends beyond the outside diameter of the outer bushing sleeve. Sterling Spring (T andem) Equalizer Bushing Checking 1.
60-Inch T aper-Leaf Spring Component Check No lubrication is required on the 60-inch taper-leaf spring rear suspension. Inspect the rear shackle brackets for bushing wear or cracks. Inspect the stabilizer bar , if present, for irregular bushing wear or cracks in the brackets.
3. Check for any shifting of the barpin. 4. Check for cracks in the metal components and welds. NOTE: The AirLiner suspension is manufactured at numerous weight ratings up to 46,000 pounds.
cause loss of vehicle control resulting in property damage, serious personal injury or death. Hendrickson Leaf Spring Assembly Inspecting NOTE: See Fig. 7 for this procedure. 1. Inspect the spring hangers for wear of the spring pin holes, cams, and the spring hanger legs.
down, in, and out. If there is any movement, re- place the torque arm. 2. Inspect the rubber bushing ends. Replace the torque arm if there are gaps between the rubber bushing and the pin or the outer .
WARNING Replace all cracked or missing restrictor cans. Failure to do so could lead to loss of vehicle con- trol, which could result in property damage, seri- ous personal injury , or death. V ehicles with cracked or missing restrictor cans may be driven slowly to the nearest workshop for restrictor can replacement.
3. Use a click-type torque wrench to check that spring hanger bolts are tightened 190 lbf·ft (258 N·m). 4. Use a click-type torque wrench to check that the 5/8-inch torque rod clamp nuts are tightened 125 to 150 lbf·ft (170 to 203 N·m).
Hendrickson Spring-Eye Pins, R T and R TE Series NOTE: See Fig. 7 for this procedure. Apply multipurpose chassis grease at the spring eye pin grease fitting (located on the inboard side of the spring eye pin) until clean grease appears at both ends of the spring eye pin.
01/05/99 f320783 1 2 3 4 Fig. 12, Tightening Pattern for U-Bolt High Nuts Suspension 32 Acterra Maintenance Manual, September 2002 32/10.
Title of Maintenance Operation (MOP) MOP Number All-Axle Alignment Checking .......................................................... 33–04 All-Wheel-Drive Front Axle Oil Changing ................................................. 33–06 All-Wheel-Drive Front Axle Oil Level Checking .
33–01 Knuckle Pin Lubricating Standard Meritor Axles Hold a pressure gun on each fitting until fresh grease appears. See Fig. 1 . This will ensure that all the old contaminated grease has been forced out. It is not necessary to exceed 4000 psi (27 560 kPa).
pand when in contact with synthetic grease. Consult your local Meritor representative for synthetic grease application references before using any synthetic grease when performing axle service and maintenance. 4. Using a multipurpose grease, NLGI grade 1 or 2, lubricate the kingpins through the grease fittings on the top and bottom of the knuckle.
1. Shut off the engine, apply the brakes, and chock the rear tires. 2. Check the tie rod boot for cracks, tears, or other damage. If the tie rod boot is damaged, replace the entire tie rod end.
• 1-1/8–12, 350 to 650 lbf·ft (475 to 881 N·m) • 1-1/4–12, 500 to 675 lbf·ft (678 to 915 N·m) 10. Check the steering arm bolts for a minimum torque of 300 lbf·ft (406 N·m). If the steering arm bolt torque has fallen below this specification, remove the bolt, clean all the threads, and apply new Loctite ® 680.
2. On front-wheel-drive vehicles equipped with MT - 14, MT -17, and MT -22 axles, check the oil level in the hubs. 2.1 The oil drain bore must be at the bottom in order to check the oil level. See Fig. 7 . 2.2 Remove the plug from the oil level check- ing bore, and make sure the oil is level with the bottom edge of the bore.
10/11/2001 f330186 Fig. 8, Draw Key Nut Front Axle 33 Acterra Maintenance Manual, September 2002 33/6.
Title of Maintenance Operation (MOP) MOP Number Axle Breather Checking ............................................................. 35–02 Axle Lubricant Changing and Magnetic Plug Cleaning ....................................... 35–03 Axle Lubricant Level Checking .
35–01 Axle Lubricant Level Checking CAUTION Failure to keep the rear axle filled to the proper level with the recommended lubricant can result in rear axle damage. 1. Clean the oil fill hole plug, located in the carrier or the side of the axle housing, and the area sur- rounding it (see Fig.
Meritor Drive Axle Lubricant Capacities, T andem Axles Axle Model Capacity * : pints (liters) RT–34–144 Forward 29.8 (14.1) Rear 34 (16.1) RT–40–145 Forward 30.4 (14.4) Rear 34.4 (16.3) * Quantities listed are approximate and include 1 pint (0.
NOTE: Meritor recommends using magnetic plugs with elements having a minimum pickup capacity of 2 pounds (1 kg) of low-carbon steel, in plate or bar form. Magnets will rapidly lose ef fectiveness as collected material bridges the gap between the two poles.
35–05 T wo-Speed-Axle Shift Unit Oil Changing 1. Remove the shift unit housing cover (see Fig. 2 ), and drain the old lubricant. Discard the housing cover gasket, and the old lubricant. 2. Thoroughly wash the axle shift parts and housing cover , and allow them to air dry .
Title of Maintenance Operation (MOP) MOP Number Wheel Nut Checking ................................................................ 40–01 Wheels and Tires 40 Index, Alphabetical Acterra Maintenance .
40–01 Wheel Nut Checking IMPORT ANT : In addition to the maintenance interval in this manual, check the wheel nut torque the first 50 to 100 miles (80 to 160 km) of operation after a wheel has been removed and installed.
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 1 2 34 5 f400057 05/27/93 1 2 3 4 5 6 7 8 AB CD A. 8-Stud Disc Wheel B. 10-Stud Disc Wheel C. 6-Spoke Wheel D. 5-Spoke Wheel Fig.
Title of Maintenance Operation (MOP) MOP Number Driveline Inspecting ................................................................ 41–01 Driveline Lubricating .
41–01 Driveline Inspecting Inspecting 1. Check that the yoke-strap capscrews (see Fig. 1 , Ref. 4) are tightened as follows: • Dana Spicer 1590 and 1610: 50 to 60 lbf·ft (68 to 81 N·m) • Dana .
If the driveshaft tube requires straightening or replacement, balance the repaired driveshaft be- fore installing it. See Group 41 of the Acterra ® Workshop Manual . 7. Check the driveshaft for missing balance weights, and for debris build-up. Remove any build-up.
NOTE: If a low-pressure adapter is not used with the high-pressure gun, the U-joints may not receive enough lubricant. 3. Using lithium 12-hydroxy stearate grease (NLGI grade 1 or 2, with EP additives), lubricate until new grease can be seen at all four U-joint seals.
screws, then loosen the bearing cup capscrews (at the bearing with the dry seal) to relieve seal tension. Lubricate the U-joint until the old grease is purged, then tighten the capscrews to the above specifications, and bend the tabs of the lockstrap against a flat side of each cap- screw .
Title of Maintenance Operation (MOP) MOP Number Air Brake V alve Disassembly , Cleaning, and Inspecting, Bendix E–8P , R–12, R–14, SR–1, ST–3, TC–6, and TP–3DC ................................................. 42–16 Air Brake V alve Inspecting and Leak Checking, Bendix BP–R1 .
42–01 Air Dryer Inspecting, Bendix AD–9 1. Check the reservoirs for moisture. A small amount (teaspoon or less) is normal. Larger amounts may mean that the desiccant needs to be replaced. Check the mounting and connecting lines. 2. T ighten the fasteners that attach the air dryer to the vehicle.
3. Clean any road grime from the relay valve and any debris from the valve exhaust port. 4. Listen for air leakage around the fittings or ex- haust port. T ighten the fittings as necessary . Use two wrenches to avoid twisting the tubing. 5. If the valve fails this check or is damaged, repair or replace it.
2. Check each brake chamber for correct installa- tion. 2.1 Check each mounting stud for the pres- ence of prevailing torque locknuts and hardened flatwashers. Make sure that the hardened flatwashers are installed be- tween the mounting bracket and the lock- nuts.
spring which, if released, could cause serious in- jury or death. 7. Inspect the exterior surfaces of the chamber for damage. Make sure the breather holes in the non-pressure section(s) are open and free of de- bris. Using the instructions in Group 42 of the Acterra ® Workshop Manual , replace any dam- aged parts.
3.3 If leakage persists, use the instructions in Group 42 of the Acterra ® Workshop Manual to replace the service brake dia- phragm. 3.4 Using soapy water , coat the area around the piston-rod bore. On some Bendix ser- vice chambers loosen the boot, if neces- sary .
42–08 Camshaft Bracket Bushing Lubricating IMPORT ANT : Perform MOP 42–24 before lubri- cating the camshaft brackets. Pump multipurpose chassis grease (NLGI Grade 1 or 2) into the chamber bracket until it appears at the slack adjuster end of the bracket.
42–1 1 Automatic Slack Adjuster Inspecting, Meritor IMPORT ANT : Perform MOP 42–24 before lubri- cating the slack adjusters. 1. Remove the pull-pawl assembly . See . 2. Examine the pull-pawl assembly for grease re- tention and condition. If the grease is in good condition, install the pull-pawl assembly .
42–16 Air Brake V alve Disassembly , Cleaning, and Inspecting, Bendix E–8P , R–12, R–14, SR–1, ST–3, TC–6, and TP–3DC Disassemble each brake valve, clean the parts with mineral spirits, and inspect the parts. Replace all rub- ber parts and any worn or damaged parts.
adjuster at the grease fitting until grease appears on the camshaft. 42–21 Automatic Slack Adjuster Inspecting, Gunite WARNING Manually adjusting an automatic slack adjuster to bring the pushrod stroke within legal limits is likely masking a mechanical problem.
Lubricate a Haldex automatic slack adjuster at the grease fitting with any extreme-pressure NLGI Grade 1 or Grade 2 grease if the operating temperature is –20°F (–29°C) and above. If the operating tempera- ture is below –20°F (–29°C), use a low-temperature extreme-pressure grease.
12. Apply two level teaspoons of Aeroshell Grade 5 (ES1246) grease on each side of the assembly . Apply it evenly along the full length of the V -way groove and anchor plate rail, and apply one level teaspoon evenly on both sides of the key and spring.
the Acterra ® Workshop Manual for inspection, troubleshooting, and repair procedures. 4. Measure the applied chamber stroke. See T able 3 for the proper stroke for the type of chamber being used. If the stroke is too short, the brakes may drag or will not fully apply .
Brake Chamber Stroke Specifications Chamber Max Applied Stroke: inch (mm) Manufacturer T ype * Size † Meritor Standard Stroke 9 Less than 1-1/2 (38) 12 16 Less than 1-3/4 (44) 20 24 Less than 1-7/8 (48) Long Stroke 24 Less than 2 (51) Standard Stroke 30 * Long stroke design is indicated by a tag, or embossing, on the brake chamber .
Title of Maintenance Operation (MOP) MOP Number Drag Link Lubricating ............................................................... 46–02 Power Steering Gear Lubricating ....................................................... 46–05 Power Steering Reservoir Fluid Level Checking .
46–01 Steering Driveline Lubricating Wipe the grease fittings clean. See Fig. 1 . Using a pressure gun, apply a lithium-based grease (NLGI grade 2) sparingly to the universal joints and slip-joint splines. 46–02 Drag Link Lubricating 1. Using a clean rag, wipe the dirt from both grease fittings on the drag link.
46–03 Power Steering Reservoir Fluid Level Checking Metal V entra Reservoir 1. T urn of f the engine, apply the parking brakes, and chock the tires. 2. Open the hood. 3. Clean around the power steering reservoir fill cap with a clean rag, then remove the dipstick.
Plastic V entra Reservoir NOTE: If the power steering reservoir in the ve- hicle looks like the reservoir shown in Fig. 4 , use the following procedure.
1 1. Fill the reservoir with A TF as needed. Start the engine and let it idle. Have someone turn the steering wheel from lock to lock until no bubbles are seen in the reservoir . T urn off the engine. 12. Install a new cover gasket, the cover , and nut.
2. Open the hood. 3. Place a drain pan under the power steering res- ervoir . 4. Remove the retaining ring from the reservoir . See Fig. 4 . 5. Remove the filter and filter cover from the reser- voir . Drain the fluid from the filter into the drain pan.
Title of Maintenance Operation (MOP) MOP Number Fuel T ank Draining and V ent Checking .................................................. 47–01 Fuel 47 Index, Alphabetical Acterra Maintenance Manual.
47–01 Fuel T ank Draining and V ent Checking Remove the plug or open the drain valve at the bot- tom of the fuel tank, and allow the tank to drain until all traces of water and sediment have disappeared; install the plug or close the drain valve. On earlier vehicles with a screw-on fuel cap, remove the fuel cap and clean it with solvent.
Title of Maintenance Operation (MOP) MOP Number Exhaust System Inspecting (Noise Emission Controls) ....................................... 49–01 Exhaust 49 Index, Alphabetical Acterra Maintenance M.
49–01 Exhaust System Inspecting (Noise Emission Controls) NOTE: In addition to the maintenance interval in this manual, inspect the exhaust system if the vehicle has a noticeable increase in noise level at any time. Replace parts that show leakage, wear , or damage.
• Diesel Particulate Filter (DPF)—a filter that col- lects and holds particulate matter (soot and ash). • Diesel Oxidation Catalyst (DOC)—oxidizes hy- drocarbons and reduces NOx. • Sensors—detect temperatures and pressures in the A TS. Inspection 1.
9. Check any wires, lines, or hoses within 4 inches (10 cm) of the exhaust system for heat damage. Repair or reroute as needed. Exhaust 49 Acterra Maintenance Manual, January 2007 49/3.
Title of Maintenance Operation (MOP) MOP Number Coolant Level Sensor Cleaning ........................................................ 54–02 Electrical System Checking .
54–01 Electrical System Checking Cab 1. Uncover the electrical panel (see Fig. 1 )b yr e - moving the fasteners. 2. Check the wiring harness for movement that could strain the electrical connections. Install more clamps on the harness, if needed. 3.
54–02 Coolant Level Sensor Cleaning 1. Drain enough coolant from the radiator to expose the coolant level sensor . 2. Disconnect wire 173 from the sensor in the ra- diator surge tank. Remove the sensor from the surge tank. 3. Using a fine-grit sandpaper , clean the sensor until the metal is exposed.
Title of Maintenance Operation (MOP) MOP Number Weatherstrip, Door Latch, and Door Hinge Lubricating ....................................... 72–01 Doors 72 Index, Alphabetical Acterra Maintenance Ma.
72–01 W eatherstrip, Door Latch, and Door Hinge Lubricating Lightly coat door weatherstrips with a lubricant that is safe (as recommended by the lubricant manufac- turer) on rubber . Apply a few drops of light engine oil, or spray a light coating of silicone lubricant on the door latch mecha- nism.
Title of Maintenance Operation (MOP) MOP Number Air Conditioner Inspecting ............................................................ 83–01 HV AC Air Filter Replacing .
83–01 Air Conditioner Inspecting WARNING Wear eye protection, gloves, and protective cloth- ing when working on the air conditioning system. Leaking refrigerant from a damaged hose or line could cause blindness or serious skin burns. Preliminary Checks 1.
7. Close the hood. 8. Remove the chocks from the tires. 02/17/2003 f831564 1 1 2 1. Screw 2. Filter Cover Fig. 2, Air Filter Replacement Heater and Air Conditioner 83 Acterra Maintenance Manual, Octob.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sterling Trucks Acterra MX è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sterling Trucks Acterra MX - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sterling Trucks Acterra MX imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sterling Trucks Acterra MX ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sterling Trucks Acterra MX, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sterling Trucks Acterra MX.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sterling Trucks Acterra MX. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sterling Trucks Acterra MX insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
