JLG 660AJ Service Manual - Manual (Page 170)

SECTION 4 - BOOM & PLATFORM
4-22 – JLG Lift – 3121616
4.5 FOOT SWITCH ADJUSTMENT
Adjust foot switch to operate functions when pedal is at center
of travel. Adjust if switch operates within last 1/2 in. (6.35 mm)
of top or bottom travel.
ELECTRIC SHOCK OR UNCONTROLLED MACHINE MOVEMENT CAN CAUSE
DEATH OR SERIOUS INJURY. DISCONNECT INPUT POWER BEFORE PERFORM-
ING INSTALLATION OR MAINTENANCE.
NOTE: For models with two switches, both switches can be inde-
pendently adjusted.
1. Remove four socket head cap screws and cover from
foot switch assembly.
2. To increase travel before switch is activated, turn Adjust-
ment Screw clockwise.
3. To decrease travel before switch is activated, turn
Adjustment Screw counter-clockwise.
Figure 4-9. Foot Switch Adjustment
4. Install cover and secure with four socket head caps
crews. Torque to 18-22 in-lb (2-3 Nm).
4.6 PLATFORM
Platform Support Torque Settings
NOTE: If any rotator bolts are replaced, re-torque all rotator bolts.
Figure 4-10. Platform Support Torque Values
Replace Platform Sections
The platform is made up of five sections: floor, right side, left
side, back (console box mounting.), and gate. Sections are
secured with Huck magna grip fastener and collars.
1. Support Huck collar with a suitable support.
2. Using a hammer and chisel, remove collar from fastener.
Figure 4-11. Platform Section Replacement
3. Replace Huck fasteners with 1/4 x 20 NC x 2 1/4" grade 5
bolts, flat washers, and locknuts when installing new
section of platform.
4. Replace rivets with 1/4 x 20 NC x 2 “grade 5 bolts, flat
washers, and locknuts when installing a new gate to
platform.
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