JLG Skytrak 6036 Service Manual page 232

Section 10. Electrical System
9
8
4
5
3
6. Slide the solenoid from valve cartridge stem.
7. If the valve cartridge (4) is leaking or malfunc-
tioning, remove the cartridge from the park
lock release valve by turning the cartridge
counterclockwise; then plug the opening in the
park lock release valve.
8. Remove the three O-ring seals from the valve
cartridge and discard the seals.
b. Disassembly
Do not disassemble the park lock release valve
solenoid.
c. Cleaning and Drying
1. Carry the park lock release valve solenoid to a
clean working area.
2. Without submerging the solenoid, clean the
solenoid in an approved solvent and dry using
a lint-free cloth.
d. Inspection and Replacement
1. Prepare to test the park lock release valve
solenoid cartridge by assembling the solenoid
onto the cartridge stem at the bench.
2. Lubricate the internal valve piston using clean
filtered hydraulic fluid.
3. Energize the solenoid using 12 Vdc to see if
the internal cartridge piston retracts into the
stem. Discard the park lock release valve
solenoid cartridge if it doesn't shift.
10-38
2
1
REVERSE
SWITCH
6
1. Cotter Pin
7 2. Washer
3. Hex Nut
Fig. 10.45 Reverse Switch
4. Lock Washer
5. Washer
6. Capscrew
e. Installation
1. Clean the exterior of the park lock release
valve on the valve plate, Fig. 10.44, to prepare
it for installation of the park lock release valve
solenoid cartridge.
2. Install three new O-ring seals on the valve
cartridge.
3. Thread the park lock release valve solenoid
cartridge into the park lock release valve on
the valve plate by turning the cartridge clock-
wise until it firmly seats against the valve.
4. Slide the solenoid (3) and nameplate (2) over
the cartridge (4) stem and secure these
components with the jam nut (1).
5. Refer to the tags attached during removal and
connect the wires to the solenoid.
6. Connect negative (–) cable (2, Fig 10.38) to
the batteries.
Warning !
Before starting the engine be sure all hydraulic
connections are tight and all tools are removed
from the forklift.
7. Prepare to test park lock engagement and
disengagement by clearing the area around
the forklift of persons and any obstructions to
forklift travel.
Model 6036 S/N 9B0499 and Before
MA1261
7. Spacer
8. Plate
9. Transmission Shifter