Buhler 535, 485, 435 manual F4-72

4-45 Section 4 - Lubrication & Maintenance

Every 1500 Hours or Yearly

Operation 59

Change the Hydraulic Oil

To drain the hydraulic oil from the hydraulic reservoir, use the following procedure:

Run the tractor to warm up the hydraulic system, and collapse all external remote cylinders or 3-point hitch lift cylinders to decrease the amount of oil remaining in the hydraulic system when the oil is drained..

Remove the drain plug (1) from the bottom of the hydraulic reservoir tank under the front frame of the tractor.. Allow all the oil to drain from the reservoir into a suitable container..

Replace the plug and tighten.. Refill the reservoir to the proper level as indicated on the sight gauge.. Restart the tractor.. Extend any remote mounted cylinders and 3-point hitch lift cylinders and recheck the oil level.. Add oil as necessary..

Torque Value: 81 N·m (60 ft-lbs)

Wrench size: 1¼" (1..250")

Operation 60

Check the engine mounts

The engine is mounted in stationary rubber mounts at the two rear corners and the front center of the engine in the front frame of the tractor.. The front center mount is a double rubber mount assembly..

Check the front mounts (2) for wear or deterioration and torque the mount bolts and nuts (3) to 280 N..m (205 ft.. lbs..).. Torque the bolts (4) mounting the bracket to engine to 260 N..m (190 ft-lbs)..

Check the two rear mounts (5) for wear or deterioration and torque the mount bolt and nut (6) to 280 N..m (205 ft.. lbs..).. Torque the mounting bracket to engine bolts (7) to 260 N..m (190 ft-lbs)..

1

F4-45

3
	4
2	F4-72
	7
	6
	5
	F4-73
	435/485/535