Gravely ZT HD User Manual

EN - 21
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. Bypass transaxles. See Move Unit
Manually on page 18.
3. Push unit forward.
• If unit does not move forward, no further
action is needed.
• If unit easily moves forward, adjust the
brake lever. Refer to your unit’s Service
Manual.
CHECK ENGINE OIL
NOTICE: Engine oil level must be maintained
at correct level or engine damage may occur.
Refer to engine manual.
CHECK TIRE PRESSURE
See Specifications on page 30 for
recommended tire pressure.
Figure 22
Figure 23
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.

Gravely ZT HD Specifications

General

Brand	Gravely
Model	ZT HD
Category	Lawn Mower
Language	English