3. T ur n the ignition k ey to the R un position. T he
glo w indicator will light.
4. W hen the glo w indicator dims , tur n the
ignition k ey to the Star t position. R elease the
k ey immediately when the engine star ts and
allo w it to retur n to the R un position. Allo w
engine to w ar m up at mid speed (without load),
then mo v e the throttle control to the desired
position.
Important: Do not r un the star ter
motor mor e than 15 seconds at a time or
pr ematur e star ter f ailur e may r esult. If the
engine f ails to star t after 15 seconds, tur n
the k ey to the Of f position, r echeck the
contr ols and pr ocedur es, w ait 15 additional
seconds, and r epeat the star ting pr ocedur e.
W hen the temperature is less than 20°F
(-75C), preheat glo w plugs twice prior to initial
cranking attempt. T he star ter motor can be
r un for 30 seconds on then 60 seconds off for
2 attempts .
5. W hen the engine is star ted for the first time , or
after an o v erhaul of the engine , transmission,
or axle , operate the mac hine in forw ard and
rev erse for one or tw o min utes . Also operate
the lift lev er and PTO lev er to ensure proper
operation of all par ts . T ur n the steering wheel
to the left and right to c hec k steering response .
T hen shut the engine off and c hec k for oil
leaks , loose par ts , and any other noticeable
difficulties .
Shut the engine of f and w ait f or all
mo ving par ts to stop bef or e checking
f or oil leaks, loose par ts, and other
malfunctions.
6. T o stop the engine , mo v e the throttle control
bac kw ard to the Slo w position, mo v e the PTO
lev er to the Off position, set the parking brak e ,
and rotate the ignition k ey to Off . R emo v e
the k ey from the switc h to prev ent accidental
star ting .
Important: Allo w engine to idle f or 5
min utes bef or e shutting it of f after a full
load operation. F ailur e to do so may lead to
turbo-charger tr ouble.
Checking the Interlock
Switches
If safety inter lock s witches ar e disconnected
or dama ged the machine could operate
unexpectedl y causing per sonal injur y .
• Do not tamper with the inter lock
s witches.
• Check the operation of the inter lock
s witches dail y and r eplace an y dama ged
s witches bef or e operating the machine.
T he mac hine has interloc k switc hes in the electrical
system. T hese switc hes are designed to stop the
engine when operator g ets off of the seat when the
traction pedal is de pressed. Ho w ev er , the operator
ma y g et off of the seat while the engine is r unning
and the traction pedal is in neutral. Although the
engine will contin ue to r un if the PTO lev er is
diseng ag ed and the traction pedal is released, it is
strongly recommended that the engine be stopped
before rising from the seat.
T o c hec k the operation of the interloc k switc hes ,
perfor m the follo wing procedure:
1. Dri v e the mac hine slo wly to a larg e , relati v ely
open area. Lo w er the cutting unit, stop the
engine , and apply the parking brak e .
2. Sit on the seat and de press the traction pedal.
T r y to star t the engine . T he engine should
not crank. If the engine cranks , there is a
malfunction in the interloc k system that should
be cor rected before beginning operation.
3. Sit on the seat and star t the engine . Rise from
the seat and mo v e the PTO lev er to On. T he
PTO should not eng ag e . If the PTO eng ag es ,
there is a malfunction in the interloc k system
that should be cor rected before beginning
operation.
4. Sit on the seat, eng ag e the parking brak e and
star t the engine . Mo v e the traction pedal out
of the neutral position. T he engine should
kill. If the engine does not kill, there is a
malfunction in the interloc k system that should
be cor rected before beginning operation.
29
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