Lull 944E-42 Service Manual - Manual (Page 177)

9-19 944E-42
Electrical System
3. Reconnect the cab harness to the wiper motor
assembly and with the help of an assistant, insert
the wiper motor through the rear window hole and
have the assistant thread the nut onto the wiper
motor shaft.
4. Tighten the motor shaft nut (7).
5. Secure the tab of the plastic case using the
previously removed screw and acorn nut.
6. Properly connect the batteries.
7. Turn the ignition key to the RUN position and turn
rear wiper switch to the ON position and then to the
OFF position to “Park” the rear wiper on the right
side of the rear window. Turn the ignition switch back
to the OFF position.
8. Assemble the rear wiper arm to the rear wiper motor
shaft with the wiper blade on the right side of the
rear window. The wiper blade should be parallel to
the edge of the window.
9. Close and secure the engine cover.
9.9.4 Windshield Washer Reservoir and
Pump
The windshield washer motor and reservoir (8) is a unit
and cannot be serviced separately.
a. Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the batteries.
5. Remove the nuts and the lock washers from the
washer mounting bolts.
6. Pull the washer reservoir out and away from the
mounting bracket.
7. Rotate the washer reservoir, label and remove the
cab harness connectors from the washer reservoir
connectors.
8. Remove the windshield washer hose from the
reservoir.
b. Disassembly
DO NOT disassemble the pump. The pump is not
serviceable. Replace pump if found to be defective.
c. Installation and Testing
1. Connect the windshield washer hoses to the
reservoir.
2. Connect the cab wiring harness connectors to the
reservoir connectors.
3. Install the reservoir tank onto the welded studs.
4. Install the lock washers and nuts and secure.
5. Fill the washer fluid reservoir with washer fluid.
6. Properly connect the batteries.
7. Turn the ignition key switch to the RUN position and
press the washer switch. Verify that fluid is sprayed
on both the windshield and rear glass.
8. Close and secure the engine cover.
MU3491
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