SkyTrak 8042 Service Manual - Manual (Page 201)

9-19 6036, 6042, 8042, 10042, 10054
Electrical System
9.10.3 Transmission Solenoid Valves
Note: If the transmission is not shifting properly, the
transmission shift control switch (travel select lever),
wiring harness or transmission shift solenoids (10)
should be checked in order to determine which
component is defective. Specific information to
determine which travel position and corresponding
component is not responding can be found in the
detailed transmission service instructions (covering
repair, disassembly, reassembly and adjustment
information) are provided in the
ZF 4 WG-98 TC Repair Manual P/N 5871 135 002
(JLG P/N 8990455). and can be obtained by calling your
local Authorized Service Department.
The transmission should be checked, serviced and
repaired only by experienced service technicians who are
aware of all safety instructions and particular component
features.
Note: Contact your local authorized Service Department
if internal transmission repair is required during the
warranty period.
9.10.4 Transmission Temperature Sender
a. Transmission Temperature Sender Removal
The transmission temperature sender (11) is threaded
into the top of the transmission housing.
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, raise 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. Properly disconnect the battery.
4. Temporarily block up or support the boom.
5. Open the rear door. Allow the system fluids to cool.
6. Remove the transmission covers.
7. Unplug the transmission temperature sender
connector from the wiring harness connector.
8. The sender is threaded into the transmission
housing. Remove the sender.
b. Transmission Temperature Sender Inspection and
Replacement
Inspect the sender and the wiring harness connector
terminals for continuity. Replace a defective or faulty
sender with a new part.
c. Transmission Temperature Sender Installation and
Testing
1. Thread the transmission temperature sender into the
transmission housing snugly, then connect the sender
connector to the wiring harness connector.
2. Properly connect the battery.
3. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
4. Check for proper fluid level.
5. Start the engine, allow it to reach operating
temperature and observe the operator display
cluster for warning indication. If the sender is not
defective, the problem could be elsewhere; possibly
in a shorted wire, damaged transmission, improper
or low fluid, etc.
6. Install the transmission covers.
7. Close and secure the rear door.
MH6380
11
10