MacDon M155 - Checking Engine Interlock; Ground Speed Lever (GSL) Adjustments; Adjusting Ground Speed Lever (GSL) Lateral Movement

MAINTENANCE AND S ERVICING
5. With the windrower moving at more than 5 mph (8 km/h):
a. Stand up out of the seat.
b. The CDM should beep once and display “NO OPERATOR” on the lower line.
c. If NOT, the Operator Presence System requires adjustment. See your MacDon Dealer.
Checking Engine Interlock
CAUTION
Check to be sure all by stan d e rs have cleared the area.
1. With the engine shut down and the header drive switch engaged, try to start the engine. If the engine turns over,
the system requires adjustment. See your MacDon Dealer.
2. With the engine shut down, steering wheel NOT centered, and the ground speed lever (GSL) in NEUTRAL, but
NOT in N-DETENT, try to start the engine. The cab display module (CDM) will flash “NOT IN NEUTRAL” on
the display upper line and “CENTER STEERING WHEEL” on the lower line, accompanied by a short beep with
each flash and the engine should NOT turn over. If the engine turns over, the system requires adjustment. See
your MacDon Dealer.
A properly functioning system s hould operate as follows. If not, see your MacDon Dealer.
• The starter should engage ONLY when the GSL is in N-DETENT, steerin g wheel locked in the CENTER position
and the header drive switch is in the OFF position.
• The brake should engage and the machine should NOT move after engine start-up, under the above conditions.
• The steering wheel should NOT lock wit h th e engine running an d t he GSL is out of the N-DETENT.
• The machine should NOT move with the engine running and with the steering w heel still centered, when the GSL
is pulled straight out of N-DETENT (NOT in forward or reverse).
5.5.3 G round Speed Lever (GSL) Adjustments
Adjusting G round Speed Lever (GSL) Lateral Movement
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator ’s seat for any reason.
The grou
nd speed lever (GSL) should easily move into the N-DETENT by itself.
Adjust t
he lateral pivot resistance as follows:
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