Operator`s manual

Operating - 11
OPERATING
7. Turn nuts (B) on front draft rods (C) equally until
adjustment is correct. Turn nut clockwise to raise front of
mower deck or counterclockwise to lower front of mower
deck.
8. Measure blade tips again and adjust if necessary.
Testing Safety Systems
Use the following checkout procedure to check for normal
operation of machine.
If there is a malfunction during one of these procedures, Do
not operate machine.
See your John Deere dealer for
service.
Perform these tests in a clear open area. Keep bystanders
away.
Testing Mower Engagement Lever Switch
1. Sit on the seat.
2. Lock the park brake.
3. Push mower engagement lever (A) forward to engage.
4. Try to start engine.
Result:
Engine must not start. If engine starts, there is a
problem with your safety interlock circuit.
Testing Seat Switch
First Test:
1. Sit on seat.
2. Lock the park brake.
3. Pull mower engagement lever (A) back to disengage.
4. Start engine and move throttle lever (B) to half-speed
(
R
) position.
5. Push mower engagement lever (A) forward to engage.
6. Move throttle lever to fast (
r
) speed position.
7. Raise up off of seat, but do not get off tractor.
Result:
Engine will begin to stop. If engine does not begin
to stop, there is a problem with your safety interlock circuit.
Second Test:
1. Sit on seat.
2. Lock the park brake.
c
CAUTION: Avoid injury! Engine exhaust fumes
contain carbon monoxide and can cause
serious illness or death.
Move the vehicle to an outside area before
running the engine.
Do not run an engine in an enclosed area
without adequate ventilation.
• Connect a pipe extension to the engine
exhaust pipe to direct the exhaust fumes out of
the area.
• Allow fresh outside air into the work area to
clear the exhaust fumes out.
B
C
C
B
A
B