JLG 4394RT Service Manual - Manual (Page 100)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-64 – JLG Lift – 3121249
3.8 PLATFORM
NEVER WORK UNDER ELEVATED PLATFORM WITHOUT FIRST
PROPERLY SUPPORTING THE PLATFORM AND BRACING/
BLOCKING SCISSOR ARM ASSEMBLY.
REMOVAL:
1. Disable machine operation.
2. Place lifting straps at each end of the platform (1).
Using an overhead crane lift platform.
NOTE: Use lifting straps and overhead crane capable of lif-
ing at least 6000 lbs (2722 kg).
3. Disconnect, cap and label hydraulic lines on deck
extension cylinders. Disconnect and label all electri-
cal wires going to platform.
4. Detach the center attach link from the platform by
removing the bolt (8), locknut (9) pin keeper (10)
and pin (11).
5. With scissor arm assembly (2) braced, remove the
slide block (3) at each corner of the platform by
removing the bolt (4), locknut (5), pin (6) and spacer
tube (7).
6. Lift platform away from the machine.
INSTALLATION:
1. Follow Removal Steps in reverse.
NOTE: For machines equipped with Load Sensing System,
refer to JLG Supplement P/N 3124288.
TIGHTEN BOLTS (4) AND LOCKNUTS (5) TO JUST MAKE CON-
TACT WITH THE SLIDE BLOCKS (3). DO NOT OVERTIGHTEN.
3
4
7
1
6 5
11
9
2
10
3
3
8
1. Platform
2. Scissor Arms
3. Slide Block
4. Bolt, (metric) 10 x 200
5. Locknut, (metric) M10 x 1.5
6. Pin
7. Spacer Tube
8. Bolt, 3/8"-16NC x 1 3/8"
9. Locknut
10. Pin Keeper
11. Pin
Figure 3-37. Platform Removal