JLG 4394RT Service Manual - Manual (Page 131)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3121249 – JLG Lift – 3-95
Engine Removal
ALLOW ENGINE AND COMPONENTS TO COOL DOWN BEFORE
SERVICING.
REMOVAL:
1. Disable machine operation.
2. Remove exhaust system, air cleaner system and
hydraulic pumps (refer to Figure 3-63., Figure 3-64.
and Figure 3-66.).
3. Disconnect, cap and label all hoses connected to
engine (1). Disconnect and label all electrical wiring
connected to engine.
4. Support engine with lifting device capable of lifting
500 lbs (227 kg) (refer to engine manual for proper
lifting information).
5. Remove the bolts (3) securing the motor to the rear
engine mount (2).
6. Remove the bolts (5) and spacer tubes (6) securing
the engine to the front engine mount (4).
7. Slowly lift the engine up and out of the engine com-
partment.
BE CAREFUL NOT TO DAMAGE THE RADIATOR FAN ON THE
RADIATOR HOUSING WHEN LIFTING THE ENGINE.
INSTALLATION:
1. Follow Removal Steps in reverse.
NOTE: Apply Loctite® #242 to bolts (3, 5).
1
2
3
4
5, 6
1. Deutz Engine
2. Rear Engine Mount
3. Bolt, M14 x 30mm
4. Front Engine Mount
5. Bolt, M14 x 55mm
6. Spacer Tube
Figure 3-68. Engine Removal (Deutz Engine)