272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf

Ì
Ì
Models 540000, 610000
1. Use a coin or screwdriver to twist the Easy Clean
Access panel fasteners (1), Fig. 26
COUNTERCLOCKWISE until a CLICK is heard
(approx. 3/4 turn).
2. Remove the panel (2).
ÌÌ
Ì
Ì
Fig. 28
Ì
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.
Fig. 29
Fig. 27
4. Insert the access panel tab into the blower housing
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 Access 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. Remove oil drain plug (1). Drain oil into
approved container.
2. Remove dipstick.
3. Replace oil filter (2) every 100 hours. Before
installing new filter, lightly oil filter gasket with
new engine oil.
4. Screw filter on CLOCKWISE (arrow) by hand
until gasket contacts filter adapter. Hand tighten
an additional 1/2 - 3/4 turn.
5. Replace drain plug.
6. Refill crankcase slowly with new oil of proper
service classification and viscosity grade. Refill
to FULL mark on dipstick.
CAUTION: DO NOT OVERFILL THE ENGINE
WITH OIL!
17