JLG 601S ANSI Service Manual - Manual (Page 105)

SECTION 3 - CHASSIS & TURNTABLE
3120746 – JLG Lift – 3-65
Green and either Amber light followed by a red light
or
then
Action:
1. Inspect and clean wiring connections.
2. Examine throttle linkage for any damage or bent
components and correct.
3. With linkage disconnected, check each potentiome-
ter for operation.
4. Reconnect linkage and reset each potentiometer for
correct operation.
5. If failure continues to occur, replace unit.
Only green light on and no actuator movement
Action:
1. Adjust trim potentiometers.
2. If problem continues, replace unit.
3.20 AUTOMATIC CHOKE ADJUSTMENT -
FORD ENGINE
1. At 70°F the choke plate should be open 1/32" (not
touching the choke bore).
2. If the ambient temperature is not 70°F, an additional
adjustment is required.
a. Loosen the three cover plate screws.
b. Adjust the cover to open the choke plate 1/32".
1/32"