Jlg G6-42A Service Manual Manuel d'utilisateur télécharger pdf (Page 131)

7-15

G6-42A, G9-43A, G10-43A

Engine

15. Loosen the clamps on the sleeve reducer at the

engine and on the air suction pipe.

16. Remove the air cleaner tube assembly. Refer to

Section 7.8.1, “Air Cleaner Assembly Removal (John

Deere & Perkins),” or Section 7.8.3, “Air Cleaner

Assembly Removal (Cummins).”

17. Remove the access plug from bottom of the engine

bell housing. This will allow access to remove the

bolts holding the torque convertor diaphragm to the

engine flywheel.

18. Turn the engine over slowly by hand and align each

of the drive plate bolts to be accessed. Remove

them one at a time.

19. Secure the engine with a lifting strap or chain from

the appropriate lifting points (1). Use a suitable hoist

or overhead crane.

20. Place a support or jack under the transmission to

hold the transmission in place while engine is being

removed.

21. Remove the bolts and washer securing the engine

mounts.

22. Remove the ten bolts holding the transmission to the

engine. Slightly lift and pull the engine out of the

machine. Have an assistant ensure that the engine

clears all frame components during removal.

23. Place engine on a flat, level surface.

7.9.2 Engine Installation

1. Secure the engine with a lifting strap or chain from

the appropriate lifting points (1). Use a suitable hoist

or overhead crane.

Note: Apply Loctite

242™ to the engine mount bracket

capscrew threads before installation.

2. Install two guide studs in the bell housing holes.

3. Lift the engine and slowly push and lower into the

engine bay. Have an assistant ensure that the

engine clears the frame, hose and harness

components during engine installation. Position

engine brackets over the front frame mounts.

4. Push the engine towards the transmission aligning

the guide studs and the torque convertor shaft with

the corresponding holes.

5. Push the engine against the transmission and install

eight of the ten bolts and washers. Remove both

guide studs and replace with the remaining two bolts

and washers. Torque bolts to 53-58 lb-ft (72-79 Nm).

6. Remove the support from under the transmission

and lower the engine the remainder of the way onto

the frame. Align the motor mount holes and install

the bolts. Apply Loctite

242™ to the motor mount

bolts and torque to 125-140 lb-ft (169-190 Nm).

7. Turn the engine over slowly by hand and align each

of the drive plate bolts through the access plug in the

bell housing. Install them one at a time. DO NOT

fully tighten until all of the capscrews and locknuts

are in place. Torque to

26-39 lb-ft (35-59 Nm). Replace access plug.

8. Install the exhaust pipe. Refer to Section 7.7.2,

“Exhaust System Installation.”

9. Install the complete air cleaner assembly. Refer to

Section 7.8.2, “Air Cleaner Assembly Installation

(John Deere & Perkins),” or Section 7.8.4, “Air

Cleaner Assembly Installation (Cummins).”

10. Connect the fuel inlet line.

11. Connect the fuel return line.

12. Install the Power Distribution bracket.

13. Connect all the previously labeled electrical wire

connections on the Power Distribution bracket.

14. Connect all the previously labeled electrical wire

connections on the engine.

15. Install both heater hoses to the engine and tighten

clamps (if equipped).

16. Install the complete radiator assembly. Refer to

Section 7.4.3, “Radiator/Oil Cooler and

Replacement.”

MY4270

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Jlg G6-42A Service Manual Manuel d'utilisateur Page 131

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