Manuale d’uso / di manutenzione del prodotto P4 del fabbricante Presto
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P4 Level Loader Model Number ___________________ Serial # _________________________ Date Placed in Service _____________ IMPOR T ANT : READ CAREFULL Y BEFORE INST ALLING OR OPERA TING LIFT Part orders.
2 PRESTO P4 LEVEL LOADER OWNER’S MANUAL INTRODUCTION The P4 Level Loader is designed to allow faster , safer , and easier pallet loading and unloading.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 3 TABLE OF CONTENTS I NTRODUCTION ............................................................................................................... 2 SAFETY ........................................................
4 PRESTO P4 LEVEL LOADER OWNER’S MANUAL INST ALLA TION INSTRUCTIONS Preparation 1. Before you start to install the unit, check for local codes and ordinances which may apply . It is your responsibility to obtain any necessary permits. 2. Read all of these installation instructions carefully .
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 5 3. During shipping, the platform of the unit is raised 5-1/2", and this platform is supported on two pins. This allows a space under the platform. When you want to move the unit, put a p allet jack under the platform and lift the unit.
6 PRESTO P4 LEVEL LOADER OWNER’S MANUAL 1. The unit is supplied with a power cord which is 10' long. Y ou must provide a two-prong outlet within this distance from the unit. The circuit should be provided with a 20 amp circuit breaker or fuse. W ARNING! T o avoid fire danger , be sure to provide a circuit breaker or fuse.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 7 on the relief valve, you may overwork the unit. This can cause the unit to fail suddenly , and you may be hurt. 4. Clean up any spilled hydraulic fluid. S pilled hydraulic oil is slippery , and may present a fire hazard.
8 PRESTO P4 LEVEL LOADER OWNER’S MANUAL onto the operator ’ s toes. If this safety system is not working correctly , do not operate the unit. Call a maintenance worker right away . Loading the Unit 1. Before operating the unit, please read and understand all of this section.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 9 W ARNING! As the platform moves up and down, “pinch points” are created as shown in Fig. 2. ST A Y A W A Y FROM THESE PINCH POINTS! Part of your body or clothing may become caught, and you may be hurt. Do not put your hands or feet under the platform.
10 PRESTO P4 LEVEL LOADER OWNER’S MANUAL 2. Before lowering the platform, be sure all workers are clear of the unit. W ARNING! As the platform moves up and down, “pinch points” are created as shown in Fig. 2. ST A Y A W A Y FROM THESE PINCH POINTS! Part of your body or clothing may become caught, and you may be hurt.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 11 operator . If the labels are worn or missing, or have been p ainted over , REPLACE THEM before releasing the lift for operation. Fig. 1 shows the safety markings on this unit. Routine Periodic Maintenance Every month: • Remove the plate on the rear of the unit and check the mechanical parts.
12 PRESTO P4 LEVEL LOADER OWNER’S MANUAL T roubleshooting Check List All servicing should be done by qualified personnel. Qualified personnel should be able to read and understand wiring and hydraulic diagrams. They should be able to troubleshoot live electrical circuits safely and in accordance with accepted practice.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 13 Relief valv e cap Retainer ring Relief valv e adjusting screw Check v alve cap O-ring Check v alve spring Check v alve ball Outer spring Inner spring R elief valv e poppet Coupling – pump to motor Gasket Down v alve plunger Down v alve strainer Down v alve solenoid Nut Fig.
14 PRESTO P4 LEVEL LOADER OWNER’S MANUAL valve has been included for the protection of all of the workers who use the unit. 3. If the motor is not running, check the electrical plug, the circuit breaker or fuse, and the wiring to the motor . 4. The hydraulic oil level may be low .
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 15 eye. The reflector may need to be cleaned or replaced. 2. The down valve may be de-energized. While the platform is lowering, the down valve should be energized and fully open. Check the solenoid in the valve with a voltmeter .
16 PRESTO P4 LEVEL LOADER OWNER’S MANUAL Ordering Replacement Parts Presto Lifts has carefully chosen the components in your unit to be the best available for the purpose.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 17 RESTOCKING POLICY Presto Lift, Inc.’ s goal is for you to be satisfied with your order . Merchandise may be returned, but returns will be subject to a restocking fee to cover the costs Presto Lift, Inc. incurs which include but are not limited to handling, storage of the units, etc.
18 PRESTO P4 LEVEL LOADER OWNER’S MANUAL RETURN MA TERIALS AUTHORIZA TION (RMA) PROCEDURES Although Presto Lift, Inc. is not legally obligated to issue a credit for any merchandise, the RETURN MA TERIALS AUTHORIZA TION (RMA) PROCEDURE is provided as a cour- tesy to our customers in the event they do not receive what they wanted.
PRESTO P4 LEVEL LOADER OWNER’S MANUAL 19.
20 PRESTO P4 LEVEL LOADER OWNER’S MANUAL Presto Lifts Limited W arranty Policy Presto Lifts warrants all of its products against defects in the welded structural frame and, if applicable, scissor legs from faulty material and workmanship for a period of five (5) years from the date of invoice.
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 Presto P4 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 Presto P4 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Presto P4 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Presto P4 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Presto P4, 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 Presto P4.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Presto P4. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Presto P4 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.
