Service Position; Check Safety Interlock System; Check Parking Brake; Check Engine Oil - Gravely 915172 Operator's Manual

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.
Figure 12
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.
Test Steering
Levers
1 Neutral
2 Forward,
Neutral,
Reverse
3 Forward,
Neutral,
Reverse
Operating Interlock (Engine On)
4 * Forward,
Neutral,
Reverse
5 * Forward,
Neutral,
Reverse
* When operator lifts off seat.

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.
EN - 20
PTO Parking
Brake
Starting Interlock
Off On
On On or
Off
On Off
or
Off
On On or
Off
On Off
or
Off
Result
Engine
starts.
Engine does
not start.
Engine does
not start.
Engine
shuts off.
Engine
shuts off.