Gravely Pro-Stance 36 CARB Owner's/Operator's Manual page 16

IMPORTANT: Be sure to release pressure on
deck before moving HOC index wheel.
2. If locked, move transport lock knob (Item
17) to unlocked position.
3. Rotate HOC index wheel to the desired
cut height setting.
The indicator displays two HOC positions to
reflect deck height options (see Adjust Deck
Height on page 36):
• Low position: 1.5 – 4" (38 – 102 mm)
• High position: 2.5 – 5" (64 – 127 mm)
4. Release pedal or mower lift lever.
18
Figure 6
NOTICE: If HOC Wheel is not aligning with
cut height it must be reset (see HOC Indicator
Adjustments on page 37).
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
2
HOC Setting
Indicator
17
1. DISENGAGE
Push lever forward to
disengage brake.
2. ENGAGE
Pull lever backward to
engage brake.
SAFETY INTERLOCK SYSTEM
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.
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.
Test Steering
Levers
STARTING INTERLOCK
1 Neutral
2 Neutral
3 Neutral
OPERATING INTERLOCK (ENGINE ON)
4* Neutral
5* Neutral
* Left steering lever (OPC switch)
depressed, then released (1/2 second
delay).
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.
EN - 16
PTO Parking
Brake
Off Engaged
On Engaged
Off Disengaged Does not
On Engaged
Off Disengaged Shuts Off
Engine
Starts
Does not
Start
Start
Shuts Off