JLG G12-55A Service Manual - Manual (Page 110)

Engine
7-6 G10-55A, G12-55A
14. Label, disconnect and cap hose attached to surge
tank (7). Remove coolant recovery tank and
mounting plate.
15. Loosen clamps on both hoses attached to charge air
cooler (8). Work hoses and tubes off charge air
cooler. Position hoses and tubes out of way to allow
radiator removal, or remove hoses and tubes from
engine. Plug and/or cap openings on charge air
cooler and tubes to prevent dirt and debris from
entering system.
16. Loosen clamps on both hoses attached to radiator
(9). Work hoses off radiator. Position hoses out of
way to allow radiator removal, or remove hoses from
engine. Inspect hoses, and replace if necessary.
Plug and/or cap openings on radiator and hoses to
prevent dirt and debris from entering system.
17. Place a suitable container beneath transmission
cooler fittings.Transfer any transmission oil into a
properly labeled container. Dispose of properly.
18. Label, disconnect and cap both transmission cooler
hoses at radiator (10). Cap fittings and openings to
prevent dirt and debris from entering transmission.
19. Remove fan guard (11).
20. Loosen and remove bolts from radiator fan shroud
(12). Pull fan shroud back and over fan assembly.
21. Carefully lift and remove radiator assembly.
Note: If more clearance is needed to remove radiator,
engine fan may be removed for easier access.
b. Radiator Assembly Installation
1. Place radiator assembly in engine compartment and
secure using previously used hardware (4).
2. Install engine fan if previously removed.
3. Install radiator fan shroud (12) with previously
removed hardware.
4. Install previously removed fan guard (11).
5. Uncap and connect both transmission cooler hoses
at radiator (10).
6. Uncap and install both radiator hoses (9) to the
radiator and tighten clamps.
7. Uncap and install both charge air cooler tubes (8) to
radiator and tighten clamps.
8. Install surge tank (7) and mounting plate. Uncap and
connect previously removed coolant recovery tank
hoses.
MY7380
12
8
7
9
8
11
9
IF EQUIPPED FOR LS
10
MAL1520
4 4