1-3
Change oil and filter after the first two operating hours.
Standard oil change intervals are every 50 hours. Oil
filter changes are recommended every 100 operating
hours.
Oil Change Intervals: Change the oil and filter after
the first 2 hours of operation. Thereafter oil change
intervals are every 50 hours. Oil and oil filter changes
are requested every 100 operating hours. Service should
be performed more often if operated under extremely
dusty or dirty conditions. The oil and filter (if equipped)
should be changed yearly if operated less than 100 hours.
Oil Check: Check the oil each time the equipment is
used or every five-(5) hours of operation. Position the
equipment so the engine is level when checking the oil
level.
CAUTION: A TWIN CYLINDER ENGINE MAY
START AND RUN ON ONLY ONE CYLINDER.
ALWAYS DISCONNECT BOTH SPARK PLUG
WIRES FROM THE SPARK PLUGS AND
GROUND TO THE DEDICATED RETAINING
POSTS LOCATED ON THE VALVE COVER
BOXES BEFORE ATTEMPTING ANY SERVICE
OR MAINTENANCE WORK ON THE ENGINE OR
EQUIPMENT.
ENGINE OIL
TECUMSEH FOUR-CYCLE ENGINES REQUIRE THE
USE OF CLEAN, HIGH QUALITY DETERGENT OIL.
Be sure original container is marked: A.P.I. service “SF”
thru “SJ” or “CD”.
TECUMSEH RECOMMENDS USING ONE OF THE
FOLLOWING FOUR CYCLE OILS THAT ARE
SPECIALLY FORMULATED TO TECUMSEH
SPECIFICATIONS.
DO NOT USE SAE 10W40 OIL.
FOR SUMMER (Above 32
0
F) (0
o
C) USE SAE 30 OIL.
PART 730225
Use SAE 30 oil in high temperature, high load
applications. Using multigrade oil may increase oil
consumption.
FOR WINTER (Below 32
0
F) (0
o
C) USE SAE 5W30 OIL.
PART 730226
(SAE 10W is an acceptable substitute.)
(BELOW 0
0
F (-18
o
C) ONLY): SAE 0W30 is an
acceptable substitute.
Oil Capacity
Engine Model oz. ml.
TVT691 with Filter 80 2366
TVT691 Oil Only 72 2129
Oil Change Procedure: Locate the oil drain plug in the
mounting flange. The drain plug or cap on most units is
located above the frame in one of the locations shown.
(Illust. 1-7) The oil filter if equipped, can be removed
with a commercially available filter wrench.
NOTE: An oil change is best performed after the engine
is warm.
Remove the oil plug or cap and allow the oil to drain into
a proper receptacle. Always make sure that drain oil and
filter are disposed of properly. Contact your local
governing authorities to find a waste oil disposal site.
Once the oil is drained, reinstall the drain plug and fill the
engine with new oil to the proper capacity.
BASIC MAINTENANCE CHART
Pre-filter (Dry Poly) Clean every 25 hours
Air filter (Paper Element) Replace every 100 hours of
operation
Oil change Every 50 hours or annually
Oil filter Every 100 hours or
annually
Spark plug replacement Every 100 hours or
annually
Clean cooling fins Every 200 hours or
annually
Fuel Filter (Replace) Every 100 hours or
annually
1-7
STANDARD OIL DRAIN PLUG LOCATION
ALTERNATE
LOCATION
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