Lull 944E-42 Service Manual User Manual download pdf (Page 711)

100

101

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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Lull 944E-42 Service Manual User Manual Page 711

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