Lull 944E-42 Service Manual User Manual download pdf (Page 729)

100

101

9.219

Model 644E-42/944E-42 Rev. 6/04

Electrical System

3. Carefully pry the auxiliary hydraulic pressure release

switch (1) and wiring out of the mounting hole.

4. Label and disconnect the wiring from the auxiliary

hydraulic pressure release switch. Remove the

switch from the vehicle.

b. Auxiliary Hydraulic Pressure

Release Switch Disassembly

DO NOT disassemble the auxiliary hydraulic pressure

release switch. Replace a defective or faulty switch with

a new part.

c. Auxiliary Hydraulic Pressure Release

Switch Inspection and Replacement

Inspect the switch terminals for continuity and shorting

with the bottom (2) of the switch pushed in and with the

switch in the OFF (3) position. Replace a defective or

faulty switch with a new part.

d. Auxiliary Hydraulic Pressure Release

Switch Installation and Testing

1. Route the wiring from the dash, through the bezel,

then connect the wiring to the auxiliary hydraulic

pressure release switch (1) as labeled during switch

removal.

2. Make sure the symbol (4) is at the bottom of the

switch (1), then press or “snap” the switch into place

in the bezel.

3. If the vehicle has dual batteries, connect both

negative battery cables (9 and 10) to both batteries.

Connect the lower negative battery cable (9) to the

negative (-) terminal on the lower battery (11). Swing

the upper battery box (14) in and make sure that the

lip (13) on the upper battery box slides below the

knob (12). Secure in place with the knob.

4. Lower and lock engine cover. To release and lower

the engine cover (7) from the fully raised position, lift

up slightly on the cover and push the upper part of

the right gas shock (8) (orange tab) to the left. Line

up the upper part of the shock lock tube with the

lower part of the gas shock and pull the cover down

to the closed position.

5. The ignition switch must be in the RUN position. The

engine can be either idling or shut OFF. Press and

hold the momentary auxiliary hydraulic pressure

release switch for two seconds to release trapped

pressure in the auxiliary hydraulic system. If the two

auxiliary hydraulic couplings can now be easily

connected or disconnected, the switch is operating

properly.

MU0650

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