EN - 20
SERVICE POSITION
See Figure 12.
Before starting any of the following
maintenance procedures:
1. Park unit a flat, level surface.
2. Stop engine, remove key and wait for all
moving parts to stop and for hot parts to
cool.
3. Move steering levers to neutral position
and rotate handles outward.
4. Engage parking brake.
5. Disconnect spark plug wires from engine.
6. Tip seat forward.
IMPORTANT: Reconnect spark plug wires
after maintenance.
CHECK SAFETY INTERLOCK
SYSTEM
Check function of the Safety Interlock System
by performing the tests below. Contact your
Gravely dealer for repair if any of the tests
fail.
CHECK PARKING BRAKE
1. Place unit in service position. See
Service Position on page 20.
2. Set both transaxle bypass levers in the
rear position. See Move Unit Manually on
page 15.
3. Push unit forward.
• If unit does not move forward, no further
action is needed.
• If unit easily moves forward, adjust the
brake lever. See Adjust Parking Brake
Lever on page 30.
CHECK ENGINE OIL
NOTICE: Engine oil level must be maintained
at correct level or engine damage may occur.
Refer to engine manual.
Test Steering
Levers
PTO Parking
Brake
Result
Starting Interlock
1 Neutral Off On Engine
starts.
2Forward,
Neutral,
Reverse
On On or
Off
Engine does
not start.
3Forward,
Neutral,
Reverse
On
or
Off
Off Engine does
not start.
Operating Interlock (Engine On)
4 * Forward,
Neutral,
Reverse
On On or
Off
Engine
shuts off.
5 * Forward,
Neutral,
Reverse
On
or
Off
Off Engine
shuts off.
* When operator lifts off seat.
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