allen 070080, Safety & Operation Manual

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Starting Procedures for AW21 (20.5 HP Kohler gasoline engine)
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This engine is equipped with a low oil level shut down. Should
the oil level fall below a safe minimum level the engine will not
start. Check oil level before starting engine.
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Position yourself in operator’s position standing on the ground
between the handlebars or standing on the operator’s platform.
Ø
Set parking brake (see page 40 for instructions).
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Place directional control lever on dash in NEUTRAL position.
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When engine is cold, move choke lever to CLOSED position.
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Set throttle control to one-third open position. Turn the throttle
clockwise as you face the engine flywheel cover to increase engine
speed.
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Insert ignition key in start switch on engine. Turn engine start switch to START position and return switch to ON
position when engine starts.
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Should the engine fail to start using the electric starter (dead battery, malfunctioning starter, etc.) the recoil starter
can be used to start the engine. To start the engine using the recoil starter, switch engine ignition switch to ON
position and pull recoil starter until engine starts. After the engine starts return starter rope handle slowly against
the flywheel cover of the engine.
Ø
After engine starts, move choke lever slowly to the OPEN position. Let engine warm up at full throttle and run
smoothly for approximately 5 minutes, before applying load. Failure to permit engine to warm up will foul spark plugs
and cause hard starting and/or loss of power. Avoid starting and stopping engine without warming engine.
Ø
To avoid draining the battery, do not leave ignition switch in the ON position when engine stops.
Ø
To start electric start Kohler CH440 14 HP, turn engine start switch to START position and return switch to ON position
when engine starts.
Ø
After engine starts, move choke lever to OPEN position. Let engine warm up at full throttle and run smoothly for approx-
imately 5 minutes, before applying load. Failure to permit engine to warm up will foul spark plugs and cause hard starting
and/or loss of power. Avoid starting and stopping engine without warming engine.
Start-up Procedures
SECTION 2
OPERATIONS
069583 Page 30