JLG 4394RT Service Manual - Manual (Page 130)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-94 – JLG Lift – 3121249
Pump Coupling
ALLOW ENGINE AND COMPONENTS TO COOL DOWN BEFORE
SERVICING.
REMOVAL:
1. Disable machine operation.
2. Remove exhaust system and pumps (refer to Figure
3-63. and Figure 3-66.).
3. Remove the four bolts (2) and washers to remove
the muffler mounting bracket (1) from the pump cou-
pling (4).
4. Remove the eight coupling bolts (5) to remove the
pump coupling from the engine
.
INSTALLATION:
1. Follow Removal Steps in reverse.
NOTE: Apply Loctite® #242 to bolts (2).
Torque coupling bolts to 50 lb-ft (68 Nm).
1
4
2
3
5
1. Muffler Mounting Bracket
2. Bolt, M10 x 85mm
3. Washer
4. Pump Coupling
5. Bolt, Coupling
Figure 3-67. Pump Coupling (Deutz Engine)