EN - 14
NOTICE: If HOC Wheel is not aligning with
cut height it must be reset (see HOC Indicator
Adjustments on page 33).
PARKING BRAKE INTERLOCK
SYSTEM
Engage parking brake; steering levers (Item
4) must lock in neutral.
Disengage parking brake; engine must not
start.
Release control lever; engine must turn off.
Parking Brake Lever (Item 19)
1. DISENGAGE
Push lever forward to
disengage brake.
2. ENGAGE
Pull lever backward to
engage brake.
SAFETY INTERLOCK SYSTEM
Perform the following tests to ensure the
safety interlock system is working properly. If
unit does not function as described, contact
your Gravely dealer for repairs.
NOTICE: When parking brake is engaged,
steering levers are locked in neutral.
IMPORTANT: The engine and blade safety
interlock system has a half-second delay
feature that allows the unit to run for up to
one half second before stopping should the
operator’s hand momentarily leave the left
steering lever.
Figure 7
18
17
HOC Setting
Indicator
WARNING: Safety interlock
system failure and improper
operation of unit can result in
death or serious injury. Test this
system each time the 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 Starts
2 Neutral On Engaged Does not
Start
3 Neutral Off Disengaged Does not
Start
OPERATING INTERLOCK (ENGINE ON)
4* Neutral On Engaged Shuts Off
5* Neutral Off Disengaged Shuts Off
* Left steering lever (OPC switch)
depressed, then released (1/2 second
delay).