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MAINTENANCE AND LUBRICATION
Engine Oil
Oil Change (450/500)
1. Position the vehicle on a level surface. Clean the area around the
drain plug at the bottom of the oil t ank and the bottom of t he
engine.
2. Run the engine for two to three minutes, t hen turn it off.
3. Place a drain pan beneath the oil tank and remove the drain plug
(1). Allow the oil to drain completely.
4. Install a new sealing washer (2) on the oil drain plug.
NOTE: The sealing surfaces on the drain plug and the oil tank
should be clean and free of burrs, nicks or scratches.
5. Reinstall the drain plug
and torque to 14-17 ft.
lbs. (19-23 Nm).
6. Disconnect the lower oil
delivery hose and remove
the screen fitting (3) from
the oil tank. Clean the
fitting.
NOTE: The fitting threads
must be sealed with
LOCTITE PST 505 or
PTFE seal tape.
7. Reinstal l the screen fitting
and rotate the fitting
clockwise a minimum of
2 1/2 turns into the tank threads. Continue to rotate the fitting until
the nipple of t he fitting aligns with the mark (4) on the tank.
NOTE: Do not over-tighten. Maximum torque for the screen fitting is
25 ft. lbs. (34 Nm).
8. Reattach the oil line.
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3
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