JLG X23J - X700AJ Service Manual - Manual (Page 334)

SECTION 3 - CHASSIS & TURNTABLE
3121448 – JLG Lift – 3-307
GENERATOR GOVERNOR, SPEED CONTROL
Dismantling:
– Remove parts in the order 1...10.
– Mark the position of retaining plate 13 in relation to the
timing case cover with a scriber.
– Remove parts in the order 11...18.
Testing / repair:
– Check parts for wear and damage.
– Check the position of the bimetallic strip at the governor
lever.
Assembly:
– Follow the dismantling instructions in the reverse order.
– Check that the positions of washers 17 (1.0 mm) and 16
(0.5 mm) are correct.
– Note correct position of retaining plate 13 (scriber mark).
– Apply sealant D to screws 4 when installing.
– For correct governor springs, see Section Tables.
– Note correct assembly arrangement of cup springs 8 (14
springs). These were later replaced by a coil spring.
– Tighten screw 7, loosen again and retighten to 20 Nm,
then adjust to the necessary friction value.
NOTE: To prevent it from being moved accidentally, stop
plate 20 is secured by ball 21 pressed into the head
of screw 22. To remove, the screw head must be
ground away.