JLG G6-42A Service Manual - Manual (Page 108)

Transmission
6-6 G6-42A, G9-43A, G10-43A
10. Connect the transmission oil cooler inlet and outlet
hoses at the transmission.
11. Install the hydraulic pump. Refer to Section 8.6.1,
“Implement Pump Replacement.”
12. Install the transmission-to-axle drive shafts. Refer to
Section 5.4.5, “Drive Shaft Installation.”
13. Install the air cleaner and tubing.
14. Clean the transmission oil filter mounting surface.
15. Apply a thin film of clean oil to the new transmission
filter gasket. Install the new filter and torque to
20-25 lb-ft (27-34 Nm).
16. Transmission oil may be added through the dipstick
tube. Remove the dipstick and add clean, fresh oil.
Refer to Section 2.4, “Fluid and Lubricant
Capacities.” Check the oil level by taking intermittent
dipstick readings as outlined in the appropriate
Operation & Safety Manual. DO NOT overfill.
Reinstall the dipstick when finished.
17. Transmission transfer case oil may be added
through the fill plug. Refer to Section 2.4, “Fluid and
Lubricant Capacities,” for proper capacities. Reinstall
the fill plug and tighten.
18. Install the engine cover.
19. Install the battery. Connect the (+) positive and (-)
negative battery cables.
20. Close and secure the engine cover.
21. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
6.4.4 After Transmission Service or
Replacement
In general:
1. Check the transmission oil level and add oil as
required.
2. Drain and flush the entire transmission cooling
system.
3. Thoroughly clean transmission filter screens and
cases, and replace transmission filter elements.
4. Reassemble all components and fill the transmission
with clean, fresh oil through the dipstick tube
opening. Check the level by taking intermittent
dipstick readings as outlined in the appropriate
Operation & Safety Manual. DO NOT overfill.
Reinstall the dipstick when finished.
5. Run the engine for two minutes at idle to help prime the
torque converter and the transmission oil lines.
6. Recheck the level of the fluid in the transmission
with the engine running at idle.
7. Add hydraulic oil as necessary to bring the fluid level
up until it reaches the FULL mark on the dipstick.
Recheck the oil level when it reaches operating
temperature 180-200° F (83-94° C).
8. Recheck all drain plugs, lines, connections, etc., for
leaks, and tighten where necessary.