wsm M8540NARROW, Workshop Manual

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GENERAL M8540Narrow, M9540Narrow, WSM
NG-20
[3] CHECK POINTS OF EVERY 50 HOURS
Checking Engine Start System
CAUTION
• Do not allow anyone near the tractor while testing.
• If the tractor does not pass the test, do not operate the
tractor.
Q
Preparation before testing
1. Place all control levers in the "NEUTRAL" position.
2. Set the parking brake and stop the engine.
Q
Test 1: Switch for the shuttle shift lever.
1. Sit on operator's seat.
2. Shift the shuttle shift lever (1) to the forward or reverse position.
3. Depress the clutch pedal (2) fully.
4. Disengage the PTO clutch control switch (3).
5. Turn the key to
"START" position.
6. The engine must not crank.
7. If it cranks, inspect the safety switch.
Q
Test 2: Switch for the PTO clutch control lever.
WARNING
• Disconnect the implement drive universal joint from the
PTO shaft, if the implement has mounted.
1. Sit on operator's seat.
2. Engage the PTO clutch control switch (3).
3. Depress the clutch pedal (2) fully.
4. Shift the shuttle shift lever (1) to the neutral position.
5. Turn the key to
"START" position.
6. The engine must not crank.
7. If it cranks, inspect the safety switch.
Q
Test 3: Checking Operator Presence Control (OPC)
System.
1. Sit on the operator's seat.
2. Make sure the PTO drive shift is disconnected from any
attached implement.
3. Start the engine.
4. Engage the PTO clutch control switch. The PTO should begin to
rotate. Disengage the PTO clutch control switch.
5. While lifting yourself from the seat, engage the PTO clutch
control switch.
a) The PTO should begin to rotate and a buzzer should sound.
b) Disengage the PTO clutch control switch.
c) If the buzzer does not sound, shut off the engine.
6. If the PTO or OPC is operating properly, shut off the engine, and
reconnect the implement drive shaft to the PTO. Restart the
engine per the available instructions.
WARNING
To avoid serious injury or death:
• Before checking the PTO or OPC, make sure that the PTO
drive shaft should be disconnected from the tractor.
• The unit should not be operated until servicing is
completed.
9Y1210236GEG0084US0
(1) Shuttle Shift Lever
(2) Clutch Pedal
(3) PTO Clutch Control Switch [A] ROPS Model
[B] CABIN Model
KiSC issued 07, 2013 A