JLG G12-55A Service Manual - Manual (Page 115)

7-11 G10-55A, G12-55A
Engine
7.5.3 Exhaust System Removal—LS
1. Park machine on a firm, level surface, level machine,
fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL position, engage
parking brake, and shut engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel.
3. Open engine cover. Allow system fluids and exhaust
system to cool.
4. Properly disconnect the batteries.
1. Loosen and remove clamp (17) securing tail pipe
(18) to muffler (19). Remove tail pipe.
2. Loosen and remove clamp (20) securing muffler
(19). Remove muffler.
3. Loosen and remove clamps (21) securing exhaust
pipe (22). Remove exhaust tail pipe.
4. Loosen and remove clamps (23) securing exhaust
pipe (24). Remove exhaust pipe.
5. Loosen and remove clamps (25) securing exhaust
outlet pipe (26) to turbo charger (27). Remove
exhaust outlet pipe and flex pipe (28).
7.5.4 Exhaust System Installation—LS
Note: Keep all clamps loosened until entire exhaust
system is in place.
1. Install exhaust outlet pipe (26) to turbo charger (27)
and secure with clamp (25).
2. Install flex (28) with and secure with clamp (25).
3. Install exhaust pipe (24) and secure with clamps (23).
4. Install exhaust pipe (22) and secure with clamps (21).
5. Install muffler (19) and secure with clamp (20).
6. Install tail pipe (18) and secure with clamp (17).
7. Adjust the muffler, exhaust and tail pipes for proper
clearance then tighten all clamps.
8. Properly connect the batteries.
9. Start engine and check for exhaust leaks at all
exhaust connections. Adjust as needed.
10. Close and secure the engine cover.
11. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
MY7050
21
17
24
22
28
23
25
25
26
19
20
18
23
27