Lull 944E-42 Service Manual - Manual (Page 68)

Cab and Covers
4-8 944E-42
4.4 ENCLOSED CAB (OPTIONAL)
COMPONENTS
4.4.1 Front Windshield Wiper Switch
Refer to Section 9.12.1, “Dash Switches.”
4.4.2 Front Windshield Wiper Motor
Refer to Section 9.9.1, “Windshield Wiper Motor.”
4.4.3 Windshield Washer Control
Refer to Section 9.12.1, “Dash Switches.”
4.4.4 Skylight Wiper Washer & Rear
Window Washer Switch
Refer to Section 9.12.1, “Dash Switches.”
4.4.5 Skylight Wiper Motor
Refer to Section 9.9.2, “Skylight Wiper Motor.”
4.4.6 Windshield/Skylight/Rear Wiper
Washer Reservoir w/Pump
Refer to Section 9.9.4, “Windshield Washer Reservoir
and Pump.”
4.4.7 Rear Wiper Switch/Motor
Refer to Section 9.9.3, “Rear Wiper Switch/Motor.”
4.4.8 Heater/Defroster System
a. Heater Assembly Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the travel select lever in the (N) NEUTRAL
position, engage the park brake and shut the engine
OFF.
Note: For machines equipped with air conditioning,
before the heater assembly can be removed, the air
conditioning hoses and electrical connections must be
completed by an authorized air conditioning service
technician. A technician will also be needed to restore
the connections when the heater assembly is installed.
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. Place a suitable container beneath the radiator drain
plug or petcock. Slowly turn the radiator cap to the
first stop, and allow any pressure to escape. Remove
the radiator cap.
6. Place a funnel at the base of the radiator to channel
the drained coolant into the container. Loosen the
drain plug or petcock and allow the coolant to drain.
7. Transfer the coolant to a container with a cover, and
label as “Used Antifreeze.” Dispose of the used
coolant at an approved recycling facility.
8. Close the radiator drain plug or petcock.
9. Remove the seat, washer fluid reservoir and seat
mounting panel (6).
10. Remove the right side console access panel (7).
11. Disconnect the heater wire from the cab harness.
12. Label and remove all duct hoses at the heater
assembly.
MU5901
6
SU0061
7