JLG LSS Verticals Operator Manual - Manual (Page 14)

SECTION 2 - SERVICE PROCEDURES - LOAD SENSING SYSTEM
2-6 – JLG Lift – 3124289
LSS Indicators (Drivable Vertical Lifts Only)
LSS Platform Mount Attach Arms to Mast
Header Installation (All Lifts)
LSS Limit Switch Installation (All Lifts)
LSS Platform Mount, Coil Spring to Mast
Crossmember Installation (All Lifts)
LSS Indicator Installation (Drivable Lifts Only)
1. Open/unbolt Left Rear Cover 3. LSS Warning Alarm
2. LSS Warning Lamp
Platform Mount to Mast Header Attach Arm Installation
(Top Side Arm Shown - Installation Same Both Sides)
1. Shoulder Bolt (2.75 in.) 5. Bronze Washer (.125 in.)
2. Shoulder Bolt (1.5 in.) 6. Hex Nuts (a)
3. Bronze Washer (.0625 in.) 7. Mast Header
4. Attach Arm Assy. 8. Platform Mount Assy.
Note: (a) Apply Loctite #271 to threads on final assembly
and torque to 45 ft. lb. (61 N, m).
LSS Limit Switch Installation
1. Switch Mounting Nut (a) 3. Switch Fasteners
2. Limit Switch
Note: (a) Located behind mast crossmember.
View From Rear Of Crossmembers
(View From Rear - Mast Header Hidden)
1. Platform Mount Crossmember 4. Coil Springs (a)
2. Spring Preload Adjust Bolts
5. Lock Nuts
3. Flat Washers 6. Mast Header Crossmember
NOTE: (a) Machines with capacities up to 300 lb.
(136kg) only require two coils springs installed
on the outside bolt positions. Machines with
capacities over 300 lb. (136kg) require coil
springs installed in all three bolt positions.