Zetor 3321 SUPER, Operator'S Manual

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44
ENGINE STARTING - TRACTOR IS EQUIPPED WITH STARTING SAFETY INTERLOCK
SYSTEM
A 59
Be sure the tractor is braked by
parking brake and shifting lever
is in neutral position before
starting engine.
Prime the fuel system by 5 to 10 strokes
of hand fuel transfer pump and screw
properly the knob into the pump body.
A 60
1. Insert the key into the key switch ("0"
position).
2. Depress the clutch pedal.
3. Move the shifting lever, shifted in
neutral, towards you - shifting safety
interlock system will be actuated by
this way.
4. Turn the key through "I" position into
"II" position (start). Crank the engine
3 - 5 second, than release the key
and turn it into "0" position. Engine
cranking can be eliminated at higher
ambient temperature.
5. Set the max. throttle and again move
the shifting lever, shifted in neutral,
towards you - starting safety system
will be switched on.
6. Turn the key through "I" position into
"II" position (start). Release the key
immediately after engine starting and
release also the shifting lever. Don
´
t
start engine longer than 15 second.
7. After starting engine, step by step
reduce the throttle. Avoid running en-
gine at high idle.
ENGINE STARTING FAIL
Repeat starting after 30 seconds. Max. 6
starting cycles are allowed (15 seconds
starting and 30 second brake is one
cycle). Farther starting engine is allowed
after cooling of starter motor to the am-
bient temperature.
Never help to the stopping en-
gine by the starter motor. You will
avoid starter damage.
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