Buhler 435, 485, 535 manual Change the Auxiliary Fuel Filter Optional

4-34

Section 4 - Lubrication & Maintenance

Every 500 Hours

Operation 43

Clean the Hydraulic Tank Breather

The hydraulic tank breather (1) is located on the left side of the engine above the hydraulic tank..

Remove the breather by loosening the mounting bolt

(2)and slide the breather mounting bracket clear.. Unscrew the breather from its hose (3).. Clean the breather using low pressure air, 1..7 bar (25 PSI) or less..

Reinstall the breather using the reverse procedure..

Operation 44

Change the Auxiliary Fuel Filter (Optional)

WARNING: FUEL IS FLAMMABLE. KEEP ALL CIGARETTES, FLAMES, PILOT LIGHTS, WELDING EQUIPMENT, AND SWITCHES OUT OF THE WORK AREA AND AREAS SHARING VENTILATION TO AVOID SEVERE PERSONAL INJURY OR DEATH WHEN WORKING ON THE FUEL SYSTEM.

Clean the area around the fuel filter cover (4).. Unscrew the T-handle (5) and remove the cover (6)..

Remove the filter element by pulling upward on the handles (7) with a twisting motion.. Discard the element..

Fit new filter element into filter body..

Remove the old O-rings from the cover (8) and T-handle (9) and refit with new seals (supplied with the new element).. Lubricate the seal with a thin coating of clean engine oil or diesel fuel before installation..

Replace the cover and tighten T-handle, by hand only.. Do not use tools..

NOTE: The engine is equipped with a priming pump and does not require the fuel filter to be filled prior to the installation if the following filling procedure is followed.

To prime the fuel filter, turn the ignition switch to the ON position and leave for two minutes.. The engine can then be started..

NOTE: The engine will, perhaps, run rough for several minutes until the air is out of the system.

Replacement auxiliary fuel filter P/N: 86033134

Start the engine and check for leaks at the filter..

2

1

3

F4-42

5

4

F4-66

5

9

6

8

7

F4-70

435/485/535