ELECTRIC SYSTEM TMS700E SERVICE MANUAL
3-18 Published 01-29-2015, Control # 512-01
All Other Switches
Removal
1. Disconnect the battery.
2. Remove the hardware securing the console cover and
remove the cover.
3. Tag and disconnect the electrical leads from the switch.
4. On the front of the console panel, remove the nut
securing the switch to the panel. As necessary, remove
the knob from the switch first.
5. Remove the switch from the hole in the panel.
Inspection
1. Visually check the switch for evidence of cracks,
damaged connections, or other damage. Replace
damaged switch as needed.
2. Check wiring for damaged insulation or damaged
connectors. Repair as needed.
3. Perform the following check to determine switch
serviceability.
a. Using an ohmmeter, check for continuity between
the switch terminals with switch at ON or activated
position(s). Ohmmeter should register zero ohms
(continuity).
b. Place switch at OFF or deactivated position.
Ohmmeter should register infinity (no continuity).
c. Replace switch if it fails either part of the check.
Installation
1. Place the switch through the hole in the front console
panel and secure to the front of the panel with the nut.
Install the knob on switch as necessary.
2. Connect the electrical leads to the switch as tagged
during removal.
3. Position the console cover on the console and secure
with the attaching hardware.
4. Connect the battery.
Check
1. Operate the switch per the Operator’s Manual. Verify
each of its functions works.
2. As needed, troubleshoot further any system or circuit
malfunction not corrected by repair or replacement of
the switch or associated wiring.
Windshield Wiper Assembly Replacement
Removal
1. Disconnect the battery.
2. Tag and disconnect the electrical leads from the motor.
3. Disconnect the washer hose on the wiper arm (also
called the pantograph arm assembly) from the washer
nozzle fitting assembly (see Figure 3-7).
4. Remove the cap nut and washer securing the wiper arm
to the pantograph adapter assembly. (The nut and
washer are part of the pantograph adapter assembly.)
Remove the cap nut, washer, and tapered sleeve
securing the wiper arm to the pivot shaft assembly. (The
nut, washer, and sleeve are part of the pivot shaft
assembly.)
5. Remove the wiper arm from the pantograph adapter
assembly and the pivot shaft assembly.
6. Remove the flanged sleeve, nut, and two flat washers
from the pivot shaft assembly. (The sleeve, nut, and
washers are part of the pivot shaft assembly.)
7. Remove the two capscrews and lockwashers securing
the pantograph adapter assembly’s adapter to the cab
exterior. Remove the pantograph adapter assembly’s
adapter and gasket.
8. Remove attaching hardware to free the windshield wiper
motor bracket from the cab interior. Remove the bracket,
with motor and pivot shaft connected, from the cab.
NOTE: You may have to remove or move other parts to get
the bracket and attached parts around the steering
column. Take care not to damage any parts.
9. Remove the nut to free the wiper motor’s shaft from the
wiper motor assembly crank. Remove the three screws
and washers to free the wiper motor from its bracket.
Remove the wiper motor from its bracket. Leave the
other parts attached to the bracket for now.
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 of the linking component
assemblies (pantograph adapter assembly, pivot shaft
assembly, wiper motor assembly link and crank, wiper
motor bracket) for damage. Replace as needed.
Reference Only
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