Filter
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4-34
435/485/535
Section 4 - Lubrication & Maintenance
Every 500 Hours
F4-70
F4-66
F4-42
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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.
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