Tecumseh Products OV691 Operator Manual - Page 15

Extended Storage

Page 15 highlights

B. Extended Storage I. Draining Fuel NOTES Clean debris from engine before draining fuel from carburetor. See "I. Clean Engine" instructions on page 12. Afterward, continue reading instructions below. If you have prepared your fuel for short-term storage it is NOT necessary to drain fuel that contains stabilizer from your carburetor. See "A. Short-Term/Seasonal Storage" instructions on page 12. Afterward, continue reading instructions below. WARNING To avoid serious injury or death, DO NOT pour fuel from engine or siphon fuel by mouth. 1. To prevent serious injury from fuel fires, empty fuel tank by running engine until it stops from lack of fuel. DO NOT attempt to pour fuel from engine. 2. Run the engine while waiting until the remaining fuel is consumed. WARNING NEVER leave the engine unattended when it is running and NEVER run engine in enclosed areas to avoid death or serious injury. 3. Begin servicing the cylinder bore. See "II. Oil Cylinder Bore" instructions. NOTE If you operate the engine during all four seasons, it is NOT necessary to lubricate the cylinder bore. II. Oil Cylinder Bore CAUTION When lubricating cylinder bore, fuel may spray from spark plug hole. To prevent serious injury from fuel fires, follow these instructions: 1. Carefully disconnect spark plug wires and keep them away from spark plugs. See Figures 19 and 20. • Keep the disconnected spark plug wires securely away from metal parts where arcing could occur. • Carefully attach the spark plug wires to the grounding posts, if provided. • Disconnect battery at negative terminal first, if engine is equipped with a DC electric starter. • Turn all engine switches to "OFF" position. • Remove ignition key, if provided. 2. Remove spark plugs. 3. Squirt 1oz. (30 ml) of clean engine oil into spark plug holes. 4. Cover spark plug holes with rags to prevent fuel from spraying from spark plug holes when starter is engaged. NOTE The Twin Cylinder Engines have two spark plug connections. Figure 19. Disconnecting/Connecting Spark Plug Figure 20. Typical Spark Plug Grounding Post 5. Push starter button or turn ignition switch key to "START" position. Immediately release starter button or turn ignition switch key to "OFF" position (this will distribute oil throughout the cylinders to prevent corrosion during storage). 6. Remove rags covering spark plug holes. 7. Install spark plugs. 8. Carefully disconnect spark plug wires from grounding posts, if provided. 9. Connect spark plug wires to spark plugs before attempting to start engine. III. Oil Change oil if NOT changed within the last 3 months. See "A. Changing Oil" instructions on page 8. IV. Battery See equipment manufacturer's instructions for proper battery storage, if machine is equipped with a battery. 181-1273-14 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled Page 13

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181-1273-14
Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled
Page 13
B.
Extended Storage
I.
Draining Fuel
NOTES
Clean debris from engine before draining fuel from
carburetor. See "I. Clean Engine" instructions on page 12.
Afterward, continue reading instructions below.
If you have prepared your fuel for short-term storage it is
NOT necessary to drain fuel that contains stabilizer from
your carburetor. See "A. Short-Term/Seasonal Storage"
instructions on page 12. Afterward, continue reading
instructions below.
To avoid serious injury or death,
DO NOT pour fuel from engine or
siphon fuel by mouth.
1.
To prevent serious injury from fuel fires, empty fuel tank
by running engine until it stops from lack of fuel. DO
NOT attempt to pour fuel from engine.
2.
Run the engine while waiting until the remaining fuel is
consumed.
NEVER leave the engine unattended
when it is running and NEVER run
engine in enclosed areas to avoid death or serious injury.
3.
Begin servicing the cylinder bore. See "II. Oil Cylinder
Bore" instructions.
NOTE
If you operate the engine during all four seasons, it is NOT
necessary to lubricate the cylinder bore.
II.
Oil Cylinder Bore
When lubricating cylinder bore, fuel
may spray from spark plug hole. To
prevent serious injury from fuel fires, follow these
instructions:
1.
Carefully disconnect spark plug wires and keep them
away from spark plugs. See Figures 19 and 20.
Keep the disconnected spark plug wires
securely away from metal parts where arcing
could occur.
Carefully attach the spark plug wires to the
grounding posts, if provided.
Disconnect battery at negative terminal first, if
engine is equipped with a DC electric starter.
Turn all engine switches to “OFF” position.
Remove ignition key, if provided.
2.
Remove spark plugs.
3.
Squirt 1oz. (30 ml) of clean engine oil into spark plug
holes.
4.
Cover spark plug holes with rags to prevent fuel from
spraying from spark plug holes when starter is
engaged.
5.
Push starter button or turn ignition switch key to
“START” position. Immediately release starter button
or turn ignition switch key to “OFF” position (this will
distribute oil throughout the cylinders to prevent
corrosion during storage).
6.
Remove rags covering spark plug holes.
7.
Install spark plugs.
8.
Carefully disconnect spark plug wires from grounding
posts, if provided.
9.
Connect spark plug wires to spark plugs before
attempting to start engine.
III. Oil
Change oil if NOT changed within the last 3 months. See
"A. Changing Oil" instructions on page 8.
IV. Battery
See equipment manufacturer’s instructions for proper
battery storage, if machine is equipped with a battery.
WARNING
WARNING
CAUTION
Figure 19. Disconnecting/Connecting Spark Plug
Figure 20. Typical Spark Plug Grounding Post
NOTE
The Twin Cylinder Engines have
two
spark plug
connections.