Verify Interlock System Operation
The purpose of the interlock system is to prevent the
engine from cranking or starting unless the traction
pedal is in NEUTRAL and the cutting unit engagement
switch is DISENGAGED. In addition, the engine will stop
when the cutting unit engagement switch is engaged or
traction pedal is depressed with the operator off the
seat.
The interlock switches are for the operator’s
protection, so do not disconnect them. Check
operation of the switches daily to assure in-
terlock system is operating. If a switch is
defective, replace it before operating. Regard-
less if switches are operating properly or not,
replace them every two years to assure maxi-
mum safety. do not rely entirely on safety
switches - use common sense!
CAUTION
To check interlock system operation:
1. Move machine to a wide open area free of debris and
bys
tanders. Raise cutting units and stop engine. En-
gage parking brake.
2. Sit on seat. Move cutting unit engagement (PTO)
switch
to ON position. Try to start engine. If engine
cranks, there may be a malfunction in interlock system.
Repair immediately. If engine does not crank, cutting
unit engagement (PTO) switch is operating correctly.
Proceed to step 3.
3. Sit on seat. Depress traction pedal in forward and
re
verse directions while trying to start engine. If engine
cranks while pedal is in forward or reverse position,
there may be a malfunction in interlock system. Repair
immediately. If engine does not crank, traction neutral
switch is operating correctly. Proceed to step 4.
4. With cutting units in raised position, sit on seat and
start engine
. Move cutting unit engagement (PTO)
switch to ON position. Lower cutting units to ground.
Cutting unit reels should start turning when cutting units
are lowered. Raise cutting units and verify that they
stop. If they do not stop, there may be a malfunction in
interlock system. Repair immediately. If cutting units
stop, lift arm (reel) switches are operating correctly.
Proceed to step 5.
5. While sitting on seat with cutting units in raised
po
sition and engine running, move cutting unit engage-
ment (PTO) switch to ON position. Hold on to steering
wheel and raise up off of seat. Engine should stop within
2 seconds. If engine does not stop, there is a malfunc-
tion in interlock system. Repair immediately. If engine
stops, seat switch is operating correctly.
Troubleshooting P
age 5 - 14 Reelmaster
®
335-D
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