420sx Operator’s Manual Drive - 51
Start Unit
CMW
1. Ensure that ROPS is in the upright position.
2. Fasten and adjust seat belt.
3. Move all controls and rocker switches to the neutral or disengaged position.
4. Check that plow vibrator switch and trench/Roto Witch switch is in the off position.
5. Move throttle to idle.
6. Verify that parking brake is engaged.
7. Turn ignition switch to the run position (key on, engine off). If unit is equipped with cold start option,
cold start wait indicator will light.
8. When cold start wait indicator goes off, turn ignition switch all the way clockwise to start tractor.
Warning alarm will sound. Indicators will light.
• If engine does not crank, check gauge panel to verify that start interlock requirements have been
met. See page 34 for start interlock information.
• If engine turns but does not start within 10 seconds, allow starter to cool before trying to start
again.
9. Run engine at half-throttle or less for five minutes before operating tractor. During warm-up, check that
all controls work properly.
Improper control function could cause death or serious injury. If
control does not work as described in instructions, stop machine and have it
serviced.
NOTICE: Machine will not crank if start interlock requirements are not met. See page 34 for
start interlock information.
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