jcb JS130, Service Manual

Page: 168 / 533

6 - 1
Throttle Motor and Throttle Link
Replacement
1 Prepare the machine
Position the machine on level ground.
Stop the engine and remove the starter key.
2 Locate the throttle motor and link
See Component Location Diagram in Routine
Maintenance .
Note: Upon delivery of the Throttle motor the position of the
output axis shaft is in a random position, so it needs
adjusting.
3 Throttle motor replacement
Connect the wiring of the Throttle motor and switch it to
the redundancy position.
Position the motor so that the output shaft is rotated
counter clockwise.
4 Removal of Throttle Link
Remove the nuts of the throttle link at the control lever
A , then remove the nuts on the opposite end of the
throttle link at the throttle lever end B . Then remove the
link without disassembly.
5 Checking operation of Throttle Link
a Confirm whether the Spring chamber C of the link
operates normally before installing the throttle motor.
b Stand the link and press on it from the top, and
confirm that the spring has compressed
(approx 20 mm).
c If using the throttle link when the spring does not
compress because of its internal corrosion, the
motor will be damaged.
d If the spring does not compress, replace it.
6 Disassembly of throttle link
a While it is possible to disassemble the link it is
advisable to replace the unit with a new one.
b If it is disassembled, reassemble the unit to the
dimensions shown opposite.
Note: The overall dimensions shown are not fixed as each
installation may vary.
Section C Electrics
9803/6410
Section C
6 -1
Issue 1
Throttle Motor
A
B
C