Operation - Gravely Pro-Master PM 320 HD Owner's/Operator's Manual

WARNING: AVOID INJURY. Read
and understand entire Safety
section before proceeding.
CONTROLS AND FEATURES
See (Figure 4) on page 12 for all Controls
and Features locations.
Safety Interlock System
Test the safety interlock system at each
operation. If the system does not function
properly, do not operate the unit until repairs
are made.
CAUTION: 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.
Direction
Test PTO Control
Pedal
1 Off Neutral
2 On Neutral
3 Off Forward or
Reverse
+
On Neutral
*
4
+
Off Forward or
*
5
Reverse
*
Perform test with engine running.
+
Operator lifts off seat.

OPERATION

Parking
Engine
Brake
Engaged or Starts
Disengaged
Engaged or Won't
Crank
Disengaged
Engaged or Won't
Crank
Disengaged
Engaged or Shuts
Off
Disengaged
Disengaged Shuts
Off
Ignition Switch
1
2
3
OF1210
key will spring back to the RUN (2) position.
To stop the engine, turn key to the OFF (1)
position.
Throttle Lever
1
2
OE0340
Choke
Pull choke control out to start a
cold engine. Push control in as
engine warms up.
OE0590
Handlebar
Turn handlebar clockwise to steer right. Turn
handlebar counterclockwise to steer left.
NOTE: Unit spins in a zero turn radius when
handlebar is turned to maximum position in
either direction.
Speed and Direction Control Pedal
OF3390
GB - 13
The ignition switch is
operated by a removable
key.
To start:
1. Insert the key.
2. Turn the switch clockwise
from the OFF (1) position to
the START (3) position. The
Move lever to FAST (1)
position to increase engine
speed. Move lever to SLOW
(2) position to decrease
engine speed.
Press pedal forward
(1) to move tractor
1
forward.
Press pedal backward
(2) to move the tractor
backward.
Remove foot from
2
pedal to return unit to
neutral.