Crankcase Oil - Vanguard OHV V-Twin User Manual

Models 540000, 610000
1. Use a coin or screwdriver to twist the Easy Clean
Accesst panel fasteners
COUNTERCLOCKWISE until a CLICK is heard
(approx. 3/4 turn).
2. Remove the panel (2).
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Fig. 26
3. Blow compressed air from the PTO side to clean
the cooling fins (3), Fig. 27 around each cylinder
and to back flush the cooling system.
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Fig. 27
4. Insert the access panel tab into the blower hous-
ing slot. Be certain the access panel is correctly
engaged to the blower housing. Push the panel
completely into the housing. Twist each fastener
CLOCKWISE until it "CLICKS", approx. 3/4 turn.
CAUTION: DO NOT run the engine unless the
Easy Clean Accesst panel is correctly installed.

Crankcase Oil

Change Oil and Filter
Drain oil while the engine is still warm. See Fig. 28
for approximate drain plug locations on vertical
crankshaft engines; Fig. 29 for horizontal crankshaft
engines.
(1), Fig. 26
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1. Remove oil drain plug (1). Drain oil into
2. Remove dipstick.
3. Replace oil filter (2) every 100 hours. Before
4. Screw filter on CLOCKWISE (arrow) by hand
5. Replace drain plug.
6. Refill crankcase slowly with new oil of proper
CAUTION: DO NOT OVERFILL THE ENGINE
WITH OIL!
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Fig. 28
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Fig. 29
approved container.
installing new filter, lightly oil filter gasket with
new engine oil.
until gasket contacts filter adapter. Hand tighten
an additional 1/2 - 3/4 turn.
service classification and viscosity grade. Refill
to FULL mark on dipstick.
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