Work In Ventilated Area; Tractor Runaway; Safety Starter Switch - Zetor PRIMO HT 20 NC Operator's Manual

Work in ventilated area

Do not start the tractor in an enclosed building unless the
doors & windows are open for proper ventilation, as tractor
fumes can cause sickness or death. If it is necessary to
run an engine in an enclosed area remove the exhaust
fumes by connecting exhaust pipe extension.

Tractor runaway

1. The tractor may start when the gear is engaged, as a result of which the tractor may run uncontrolled
and can cause serious injuries to people standing near the tractor.
2. When using the starter switch or other work on the tractor, the gearbox must be in the neutral position,
the handbrake applied and the PTO lever disengaged.

Safety starter switch

1. Clutch operated safety switch is provided on all tractors which allow the starting system to become
operational only when the clutch pedal is fully pressed.
2. Do not by-pass this safety starter switch or work on it. Only authorized dealers are recommended to
work on safety starter switch.
3. On some models safety starter switch is provided on transmission high-low shifter lever and in PTO
shifter lever. The tractor can be started only if High-low shifter lever is in neutral position.
Caution: Safety starter switch is to be replaced after every 2 000 hours / 4 years, whichever is
earlier.
20
SAFETY INSTRUCTIONS
U18N148