Buhler 435, 485, 535 manual Lubrication & Maintenance Every 1000 Hours Operation

4-37 Section 4 - Lubrication & Maintenance

Every 1000 Hours

Operation 50

Change the Transmission Oil

(CAT TA22 Transmission)

Check the oil level with the tractor parked on a level surface with the engine shut off..

Operate the tractor a sufficient amount of time to warm up the transmission oil.. Remove the drain plug

(1)from the transmission housing and allow the oil to drain into a pan..

Replace the drain plug and torque to 108 N..m (80 ft-lbs ± 5%).. Refill the transmission with new oil through the fill tube (2) to the proper level as indicated by the sight gauge (3)..

NOTE: 3.8 L (1 US gal) of transmission oil will raise the level in the sight gauge 10 mm (0.4 inch).

Visually inspect the transmission for leaks.. Check for leaks under the transmission and around the drain plug..

Operation 51

Clean the Transmission Suction Screen (CAT TA22 Transmission)

The CAT TA22 transmission has a removable sump screen located on the right hand side/front of the transmission case.. To remove the suction screen, proceed as follows:

NOTE: It is not necessary to drain the transmission oil before removing the suction screen.

Remove four bolts (4) and cover plate (5) from the transmission housing..

Remove the O-ring (6) from the inside face of the cover plate.. Inspect the O-ring for condition before refitting into the the groove on the inside face of the cover plate.. Replace the O-ring if it is damaged..

Remove the the suction (7) screen from the transmission housing and clean with a none flammable cleaning solvent..

Re-install the suction screen into the housing ensuring that it seats properly..

Reinstall the cover plate (2) with four bolts (1) and torque to 75 N..m (55 ft-lbs)..

1

F4-101

2

3

F4-99

	6	5
7	4
		F4-103
	435/485/535