ELECTRICAL SYSTEM
RT765E-2 SERVICE MANUAL
3-18
Published 9-04-2014, Control # 422-08
7.
Connect the wiper arm’s washer hose to the washer
nozzle fitting assembly.
8.
Connect the electrical leads to the wiper motor as
marked before removal.
9.
Connect the batteries.
Check
1.
Squirt some cleaning fluid onto the windshield with the
windshield washer.
2.
Operate the windshield wiper. Verify it works. (Replace
wiper blade as needed if it streaks or otherwise wipes
poorly.)
Windshield Washer Assembly Replacement
Removal
1.
Turn the ignition switch to the OFF position.
2.
Wait two minutes.
3.
Turn the battery disconnect switch to the OFF position.
4.
Locate the windshield washer container and pump on
the left rear side of the cab.
5.
Tag and disconnect the pump’s electrical lead and
ground wire.
6.
Disconnect the hose from the windshield washer pump.
Point it so it won’t spill cleaning fluid. Catch cleaning fluid
from the windshield washer container with a suitable
container.
7.
Remove four self tapping screws securing the
windshield washer container to the cab. Remove the
windshield washer container and pump.
8.
Remove pump and pump seal from container.
Inspection
1.
Visually check the pump for evidence of cracks, leaks, or
other damage. Replace pump if damaged.
2.
Inspect the container for leaking. Replace pump seal if it
is leaking. Replace container if it is damaged and
leaking.
3.
Inspect spray nozzle on the wiper arm. As needed, clean
the nozzle with a fine piece of wire and compressed air.
Installation
1.
Install pump and pump seal on container.
2.
Install windshield washer container on the cab. Secure
the container with four self tapping screws.
3.
Attach the hose to the windshield washer pump.
4.
Connect the pump’s electrical lead and ground wire as
tagged during removal.
5.
Turn the battery disconnect switch to the ON position.
6.
Fill the container with cleaning fluid.
Check
1.
Squirt some cleaning fluid onto the windshield with the
windshield washer.
2.
Make repairs if windshield washer doesn’t work.
Skylight Wiper Assembly Replacement
Removal
1.
Turn the ignition switch to the OFF position.
2.
Wait two minutes.
3.
Turn the battery disconnect switch to the OFF position.
4.
Tag and disconnect the electrical leads from the motor.
5.
Remove the wiper arm from the motor shaft.
6.
Remove the nut, spacer, leather washer, and nylon flat
washer from the motor shaft outside the cab roof.
7.
Remove the nut and lockwasher securing the motor
bracket to the cab roof and remove the motor from the
cab roof. Remove large nylon flat washer from motor
shaft and flat washer and smaller nylon flat washer from
mounting screw.
8.
Remove mounting screw and nylon flat washer from
outside cab roof.
9.
Clean any sealing material from around holes in cab
roof.
Inspection
1.
Visually check the motor housing for evidence of cracks
or other damage. Check for excessive shaft end play
indicating worn or damaged bearings. Replace motor if
damaged.
2.
Inspect the wiper blade for serviceability. Replace wiper
blade when worn.
3.
Inspect the wiper arm and parts for damage. Replace as
needed.
Installation
1.
Install sealant material around both holes in cab roof,
both inside and outside.
2.
Install screw with nylon flat washer (from outside)
through mounting hole in cab roof.
3.
Install flat nylon washer on motor shaft and insert motor
shaft through hole in cab roof. Position small nylon
washer and flat washer on screw between mounting
bracket and cab roof. Secure with lockwasher and nut.
Reference Only
