Specifications

Power Train Testing and Adjusting
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Transmission Control Harness Check
Transmission Control Harness.
(3) Harness. (5) Connector
9. Disconnect the connector (5) of Engine harness
from the connector of transmission harness.
Check continuity of socket 12, 13 of engine
harness (3) from one end to the other. Repair or
replace the wiring harness if there is no continuity.
Transmission Solenoids Visual Check
10. A visual check can be done to see if the solenoid
plungers are moving.
Remove the modulating valve assemblies from the
transmission
11. Turn the ignition switch ON, DO NOT start the
engine. Release the parking brake.
12. Put the directional control switch in neutral.
z Both solenoid plungers should be flush with the
solenoid.
13. Put the directional control switch in forward and
then reverse.
z The plunger of the solenoid that is activated should
move in approximately 3.18mm(.125 in).
14. If the solenoid plungers do not move as explained
in Steps 12 and 13, replace the defective solenoid.
15. If the solenoid plungers are good, the modulating
valves could be stuck or there is mechanical failure
in the transmission.
Inching Pedal Adjustment
To check the inching valve adjustment and operation,
do the procedure that follows :
WARNING
When this procedure is used, the lift truck must be
in an area clear of obstructions. There must be
one operator with all other personnel away from
the lift truck. Check the operation of the brakes
before the test is made.
1. With the engine at idle speed, put the transmission
in FORWARD.
I
nching Operation Test
(1) Inching pedal.
2. Slowly push down on inching pedal (1) until the
movement of the brake pedal causes the brake
discs to make contact (small drag) with the brake
plates.
3. Increase the engine speed to high idle. The truck
must not move.
If the operation of the inching valve is not correct, do
the procedure that follows.
1. Adjust and bleed the wheel brakes as shown in the
Vehicle Systems module.
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