Manuale d’uso / di manutenzione del prodotto EC7500 del fabbricante Shindaiwa
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N o p e r f o r m a n c e g u a r a n t e e w i t h o u t u s i n g g e n u i n e S h i n d a i w a b l a d e s . N o - l o a d r e v o l u t i o n s p e e d : 4 1 8 0 m i n - 1 ( r p m ) U s e r e i n f o r c e d a b r a s i v e b l a d e s w i t h m a x i m u m u s e a b l e p e r i m e t e r v e l o c i t y o f 2 4 8 f t / s e c .
2 Throughout this manual are special “attention statements”. WARNING! A statement preceded by the word “WARNING” contains information that should be acted upon to prevent serious injury. CAUTION! A statement preceded by the word “CAUTION” contains information that should be acted upon to prevent unit damage.
3 Before Operation ■ Children and people who do not understand this manual must not use this unit. ■ Never allow other people or animals to be near the unit when starting or operating. ■ Never touch a rotating cut-off wheel. ■ Operate the unit only in a well ventilated area.
4 Safety Precautions (continued) WARNING! Figure 1. Start the engine at least 10 feet (3 meters) from a fueling location. Starting The Engine ■ Start the engine at least 10 feet (3m) away from a fueling location. ■ When starting the engine, make sure the cut-off wheel does not touch any object or ground.
5 Safety Precautions (continued) WARNING! Kickback ■ Kickback may force the cut-off wheel up and back toward the operator lightning-fast. ■ Kickback can occur whenever the upper half of the cut-off wheel touches an object. Never cut an object using the upper half of the cut-off wheel.
6 Inspection and Maintenance ■ Before performing any inspection, maintenance, repair or cleaning of the unit, make sure engine and cut-off wheel are completely stopped and cooled down. ■ Inspection and maintenance operations should be done in a well ventilated location and where there are no combustibles nearby.
7 Safety and Operation Information Labels EC7500.1 N o p e r f o r m a n c e g u a r a n t e e w i t h o u t u s i n g g e n u i n e S h i n d a i w a b l a d e s N o - l o a d r e v o l u t i o n s p.
8 EC7500.18 EC7500.1A Unit Description Figure 5 Air Cleaner Cover Choke Primer Pump Front Handle Cylinder Cover Throttle Trigger Lockout Carburetor Idle Adjustment Screw Cut-off Wheel Wheel Guard Lock.
9 T echnical Specifications Engine Type ........................... 2-Cycle, vertical-cylinder, air-cooled Displacem ent ....... 4.5 cu. in. (73.5cc)* Bore x Stroke .. 2 x 1.4 in. (51 x 36mm) Max. Power Outpu t ** . . 4.5 hp (3.3kW) Recommended Engine Idling Speed .
10 EC7500.20A Assembly EC7500.19 Figure 6 Instruction Manual Engine Unit Tool Set Figure 7. Belt Guard Hex Wrench Mounting the Cut-off Wheel 1. Select a cut-off wheel for your work according to the following chart. Refer to the wheel manufacturer’s manual for additional information.
11 EC7500.20 4. Loosen bolt with the wrench and remove bolt and outer flange. See Figure 8. Figure 8 Outer Flange Bolt Tighten Loosen WARNING! ■ When filling the fuel tank, make sure the engine is stopped and cool. ■ Filling the fuel tank or mixing fuel and oil must be done in a place where there is no risk of fire.
12 EC7500.22 7. Grip the recoil starter handle with your right hand, pull the starter cord slowly until you feel the starter engage, then… 8. …start the engine by pulling the starter cord upward rapidly. CAUTION! ■ The recoil starter can be damaged by abuse.
13 EC7500.23 1. Turn the on-off switch On. WARNING! The cut-off wheel must not rotate at idle speed. If it rotates, reduce idle speed by adjusting the idle adjust screw. 2. Push the decompression valve in. 3. Pull the choke all the way out and push it back to the original position (choke open).
14 EC7500.27 WARNING! ■ Never permit bystanders or animals near the unit when starting or operating the unit. ■ Be aware of kickback! Kickback may force the cut-off wheel up and back toward the operator lightning-fast. Kick- back can occur whenever the upper half of the cut-off wheel touches an object.
15 NOTE: For units equipped with a water kit, loosen the (2) water nozzles and disconnect the main water line from the double nozzle. 1. Remove the cutting wheel (See pages 10 and 11). Using a Phillips screwdriver, loosen the tension screw until the tension indicator is all the way to the front of the scale.
16 Inspection and Maintenance Item What to Do Daily Weekly Monthly As Req’d Air Cleaner Clean ✔ Cut-off Wheel Check & Sharpen ✔ Bolts/Screws Check & Retighten ✔ Fuel Cap Check Leakage .
17 EC7500.23 EC7500.24 WARNING! Inspection and maintenance should be done in a well ventilated place and where there is no risk of fire. Dust in the air cleaner will affect engine life.
18 EC7500.30 It is not necessary to adjust the carburetor when the unit is new. Adjust the carburetor only when you are sure it is necessary due to differ- ences in working conditions such as atmospheric pressure or temperature, or change in unit conditions after more than 10 hours of use.
19 EC7500.34 High and Low Speed Needle The high and low speed needle is fixed and cannot be adjusted. Spark Plug Maintenance If the engine becomes hard to start or if idle speed is unstable, inspect the spark plug according to the following procedures.
20 EC7500.47 EC7500.36 EC7500.35 Replacing the Drive Belt 1. Loosen the tension screw. Loosen the two bolts on the belt guard and remove the belt guard by sliding it to the right. See Figure 26. 2. Loosen the two bolts in the clutch cover and remove the clutch cover.
21 Replacing the Cut-off Wheel 1. Make sure the ignition switch is Off and the engine is stopped. 2. Insert a 6mm hex wrench into the hole in the belt guard to prevent the drive shaft from turning. See Figure 29. Figure 29 Outer Flange 3. Loosen the outer flange bolt with the wrench and remove the bolt and outer flange.
22 EC7500.44 Sharpening a Diamond Cut-off Wheel While running the engine at low speed, make about 10 passes at cutting a concrete block or a soft brick. Keep the block watered while sharpening. Checking the Fuel Filter WARNING! KEEP AWAY FROM FIRE OR EXCESS HEAT! 1.
23 Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare if for storage: ■ Clean external parts thoroughly. ■ Drain all the fuel from the carbure- tor and the fuel tank. IMPORTANT! All stored fuels should be stabilized with a fuel stabilizer such as StaBil™.
24 The engine does not star t. PROBLEM Remov e the spar k plug (pg 13). Is the spark plug wet? Cutting perf or mance is poor . PROBLEM Make sure the chok e is pushed fully in. Make sure the air cleaner is clean (pg 17). Make sure the driv e belt is properly tightened (pg 19).
25 Shindaiwa Kogyo Co., Ltd. Federal Emission Design And Defect Limited Warranty Utility And Lawn And Garden Engines Shindaiwa Kogyo Co., Ltd. warrants to the initial purchaser and each subsequent own.
26 PARTS COVERED Listed below are the parts covered by the Federal Emission Design and Defect Warranty. Some parts listed below may require scheduled maintenance and are warranted up to the first scheduled replacement of that part. The warranted parts include: 1.
27 MAINTENANCE, REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PERFORMED BY ANY REPAIR ESTABLISHMENT OR INDIVIDUAL; HOWEVER, WARRANTY REPAIRS MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED BY SHINDAIWA KOGYO CO., LTD.
Shindaiwa Inc. 11975 SW Herman Road Tualatin, Oregon 97062 Telephone 503-692-3070 Fax 503-692-6696 www.shindaiwa.com Shindaiwa Kogyo Co., Ltd. 6-2-11 Ozuka-Nishi Asaminami-Ku, Hiroshima 731-3167, Japan Telephone 81-82-849-2220 Fax 81-82-849-2481 ©2002 Shindaiwa Inc.
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 Shindaiwa EC7500 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 Shindaiwa EC7500 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Shindaiwa EC7500 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Shindaiwa EC7500 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Shindaiwa EC7500, 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 Shindaiwa EC7500.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Shindaiwa EC7500. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Shindaiwa EC7500 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.
