Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 1 - General Information
Page 7
CHANGING OIL AND OIL FILTER
Change oil and filter after first fifty (50) hours of
operation.
Thereafter, change oil and filter every one hundred (100)
hours of operation. Change oil more often if engine is
operated in dirty or dusty conditions or if engine is
operated under heavy loads or in high ambient air
temperatures.
Oil Capacity: Approximately 87 oz. (2.6 liters) with filter.
Place equipment so that engine is level.
1. Remove oil drain plug and drain oil while engine is
still warm.
2. Install and torque drain plug to 20 ft. lbs. (27 Nm).
3. Remove oil filter and clean mounting surface.
4. Lightly oil new filter gasket with engine oil.
5. Screw filter on by hand until gasket contacts oil
filter adapter. Tighten 1/2 to 3/4 turn more.
6. Clean area around oil fill cap, then remove oil fill
cap and add 67 ounces (2 liters) of oil.
7. Start and run engine at idle for 60 seconds. Then,
shut engine off and wait 60 seconds.
8. Add more oil slowly to bring oil level to
FULL mark
on dipstick.
Do Not Overfill.
NOTE: Overfilling can cause a smoking or
overheating condition due oil foaming.
Fig. 2
9. Replace oil fill cap and dipstick.
10. Start and run engine to check for oil leaks.
CHANGE COOLANT
Coolant should be replaced every year, unless an
approved extended life coolant is used. Then replace
every 3000 hours.
NOTE: A 50/50 mixture of phosphate-free
antifreeze and tap water is required for proper
heat dissipation, rust resistance and lubrication.
CAUTION: Used coolant is a hazardous waste
product. Dispose of used coolant properly.
Check with your local authorities, service center,
or dealer for safe disposal/recycling facilities.
1. Remove drain plug. As coolant is running out,
open radiator cap to allow any trapped coolant to
drain. Replace drain plug.
2. Remove reservoir bottle, drain it and reinstall.
3. Fill radiator to bottom of filler neck and between
FULL and LOW in reservoir. Replace radiator cap.
4. Start and run engine for 30 seconds.
5. Shut engine off and allow it to cool. Recheck
coolant levels in radiator and reservoir.
6. Coolant level in reservoir bottle should be
between
FULL and LOW when engine is cold.
Oil Filter
OIL DRAIN PLUG
OIL FILL
DIP STICK
FULL
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