Understanding the Safety Interlock
System
T he safety interloc k system is designed to prev ent
the engine from star ting unless:
• T he parking brak e is eng ag ed.
• T he blades are diseng ag ed.
• T he motion control lev ers are in the neutral
loc k ed position.
T he safety interloc k system also is designed to
stop the engine when the traction controls are
mo v ed with the parking brak e on or if y ou rise
from the seat when the blades are eng ag ed.
Testing the Safety Interlock System
T est the safety interloc k system before y ou use
the mac hine eac h time . If the safety system
does not operate as described belo w , ha v e an
A uthorized Ser vice Dealer re pair the safety system
immediately .
1. W hile sitting on the seat, eng ag e the parking
brak e and mo v e the blade control switc h to
On. T r y star ting the engine; the engine should
not crank.
2. W hile sitting on the seat, eng ag e the parking
brak e and mo v e the blade control switc h
to Off . Mo v e either motion control lev er
(forw ard or rev erse). T r y star ting the engine;
the engine should not crank. R e peat with the
other motion control lev er .
3. W hile sitting on the seat, eng ag e the parking
brak e , mo v e the blade control switc h to Off ,
and loc k the motion control lev ers in neutral.
Star t the engine . W hile the engine is r unning,
release the parking brak e , eng ag e the blade
control switc h, and rise slightly from the seat;
the engine should stop .
4. W hile sitting on the seat, eng ag e the parking
brak e , mo v e the blade control switc h to Off ,
and loc k the motion control lev ers in neutral.
Star t the engine . W hile the engine is r unning,
center the motion controls and mo v e (forw ard
or rev erse); the engine should stop .
Driving Forward or
Backward
T he throttle control regulates the engine speed as
measured in r pm (rev olutions per min ute). Place
the throttle control in the F ast position for best
perfor mance . Alw a ys operate in the full throttle
position.
T he machine can spin v er y rapidl y . T he
operator may lose contr ol of the machine
and cause per sonal injur y or dama ge to the
machine.
• Use caution when making tur ns.
• Slo w the machine do wn bef or e making
shar p tur ns.
Forward
1. R elease the parking brak e .
2. Mo v e the lev ers to the center , unloc k ed
position.
3. T o g o forw ard, slo wly push the motion control
lev ers forw ard ( Figure 12 ).
Note: T he engine will kill if the traction
control lev ers are mo v ed with the parking
brak e eng ag ed.
Figure 12
1. Motion control
lever-neutral lock position
3. Forward
2. Center unlock position 4. Backward
T o g o straight, apply equal pressure to both
motion control lev ers ( Figure 12 ).
T o tur n, release pressure on the motion control
lev er to w ard the direction y ou w ant to tur n
( Figure 12 ).
T he far ther y ou mo v e the traction control
lev ers in either direction, the faster the mac hine
will mo v e in that direction.
T o stop , pull the motion control lev ers to
neutral.
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