John Deere L2048 - Manual (Page 20)

Operating - 16
OPERATING
MX10501; MX7697
3. Lock the park brake (A).
4. Engage PTO:
• On models 2048 and 2548: Pull PTO switch (B) up.
• On all other models: Push PTO lever (C) forward.
5. Try to start engine.
Result: Engine must not start. If engine starts, there is a
problem with your safety interlock circuit.
Testing Seat Switch
1. Park machine safely. (See Parking Safely in the
SAFETY Section.)
2. First test:
a. Start engine.
MX7697
Picture Note: Machine with mechanical PTO
shown.
b. Move throttle lever (A) up to maximum engine speed.
c. Unlock park brake and release brake pedal (B).
d. Engage PTO (C).
e. Raise up off seat. Do not get off tractor.
Result: Engine and mower blades should begin to stop. If
engine and mower blades do not begin to stop, there is a
problem with your safety interlock circuit.
3. Second test:
MX7697
Picture Note: Machine with mechanical PTO
shown.
a. Disengage PTO (C).
b. Start engine.
c. Unlock park brake and release brake pedal (B).
d. Raise up off seat. Do not get off tractor.
Result: Engine should begin to stop. If engine does not
begin to stop, there is a problem with your safety interlock
circuit.
4. Third test:
MX7697
Picture Note: Machine with mechanical PTO
shown.
a. Disengage PTO (C).
b. Start engine.
c. Lock park brake.
d. Raise up off seat. Do not get off tractor.
Result: Engine should continue to run. If engine stops,
B
A
C
A
B
C
B
C
C