Safety interlock system, Parking brake interlock system – Gravely 260Z User Manual
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Shut off fuel and allow engine to cool completely before
storing in closed area or covering unit.
Clean grass and debris from unit, especially from
around muffler and engine, to help prevent fires.
For extended storage, shut off fuel and clean unit
thoroughly. See engine manual for proper storage.
Lower cutting deck unless a positive mechanical lock is
used.
Use only attachments or accessories designed for your
unit.
Check all hardware at regular intervals, especially
blade attachment bolts. Keep all hardware properly
tightened.
Check attachment components frequently. If worn or
damaged, replace with manufacturer’s recommended
parts.
Safety Interlock System
Perform the following tests to ensure safety interlock
system is working properly. If unit does not perform as
stated contact your Gravely dealer for repairs.
NOTE: For all models, when parking brake is engaged,
steering levers are locked in neutral.
Parking Brake Interlock System
With parking brake engaged, steering levers must be
locked in neutral.
With parking brake disengaged, engine must not start
and engine must shut off if operator leaves seat.
WARNING: Safety interlock system failure
and improper operation of unit can result in
death or serious injury. Test this system each
time unit is operated. If this system does not
function as described, do not operate until
repairs are made.
Test
Steering
Levers
PTO
Parking
Brake
Engine
STARTING INTERLOCK
1
Neutral
Off
Engaged
Start
2
Neutral
On
Engaged
Doesn’t
Start
3
Neutral
Off
Disengaged
Doesn’t
Start
OPERATING INTERLOCK (ENGINE ON)
4*
Neutral
On
Engaged
Shuts Off
5*
Neutral Off
Disengaged
Shuts
Off
6*
Neutral
Off
Engaged
On
*Operator lifts off seat.