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Lull 944E-42 Service Manual User Manual

Page 711

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9.201

Model 644E-42/944E-42

Rev. 6/04

Electrical System

2. If the vehicle has dual batteries, disconnect both

negative battery cables (1 and 2) from both
batteries.

To access the lower battery (3), loosen the knob (6)
far enough so that the lip (5) on the upper battery box
clears the knob. Lift up the upper battery box (4) and
swing it out, so that the box clears the hydraulic tank
support bracket, to gain access to the lower negative
battery cable (1). Disconnect the lower negative
battery cable.

3. Remove the four phillips pan head bolts (10), flat

washers (11) and nuts (12) securing the wiper
washer reservoir w/pump (13) to the seat base (14).

4. Label and remove the cab harness connectors

(15 and 16) from the connectors on the two pumps
(17 and 18) on the wiper washer reservoir (13).

5. Remove both windshield washer hoses (19 and 20)

from the bottoms of the pumps (17 and 18) on the
wiper washer reservoir (13).

6. Remove the wiper washer reservoir (13) from the

vehicle.

b. Disassembly

DO NOT disassemble the pump. The pump is not
serviceable. Replace pump if found to be defective.

c. Cleaning and Drying

Without submerging the pump, clean the pump and
reservoir with an approved solvent and dry with a clean,
lint-free cloth.

d. Inspection and Replacement

Inspect the electrical terminals for continuity. For
additional information, refer to Section 9.8.38, “Front
Wiper/Washer Circuit & Troubleshooting,” or
Section
9.8.39, “Skylight Wiper/Washer, Rear Washer Circuit &
Troubleshooting.”

e. Installation and Testing

1. Connect the clear washer hose (19), from the front

wiper, to the front washer pump (17) on the rear of
the wiper washer reservoir.

2. Connect the clear washer hose (20), from the

skylight and rear wipers, to the washer pump (18) on
the side of the wiper washer reservoir.

3. Connect the cab wiring harness connectors

(15 and 16) to the connectors on the two pumps
(17 and 18) on the wiper washer reservoir (13).

4. Install the wiper washer reservoir w/pump using four

phillips pan head bolts (10), flat washers (11) and
nuts (12) to secure it to the seat base (14).

5. Fill the washer fluid reservoir with washer fluid.

6. If the vehicle has dual batteries, connect both

negative battery cables (1 and 2) to both batteries.

Connect the lower negative battery cable (1) to the
negative (-) terminal on the lower battery (3). Swing
the upper battery box (4) in and make sure that the
lip (5) on the upper battery box slides below the
knob (6). Secure in place with the knob.

7. Turn the ignition switch (7) to the RUN position (8)

and engage each of the washer switches. Verify that
fluid is sprayed on the windshield, skylight and rear
glass. Turn the ignition switch (7) to the OFF (9)
position.

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

the engine cover (21) from the fully raised position,
lift up slightly on the cover and push the upper part
of the right gas shock (22) (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.

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