Operation - Gravely Promaster 160 Owner's/Operator's Manual

WARNING: AVOID INJURY. Read and understand
entire Safety section before proceeding.
CONTROLS and FEATURES
See Figure 4 for Controls and Features locations.
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 the unit does not perform as
stated, contact your Gravely dealer for repairs.
IMPORTANT: With the parking brake engaged, the steering
levers must be locked in neutral.
IMPORTANT: With the parking brake disengaged, the
engine must not start and the engine must shut off if the
operator leaves the seat.
Test Steering PTO
Levers
STARTING INTERLOCK
1 Neutral Off
2 Neutral On
3 Neutral Off
OPERATING INTERLOCK (ENGINE ON)
4* Neutral On
5* Neutral Off
* Operator lifts off seat.
Steering Levers
A
C
The steering levers control speed and direction. In addition,
they will stop the unit.
A. For reverse travel, pull both steering control levers
backward.
B. For straight forward travel, push both steering control
levers forward.
C. To turn left, pull the left back or push the right steering
control lever forward or a combination of both.

OPERATION

Parking Engine
Brake
Engaged Starts
Engaged Doesn't Start
Disengaged Doesn't Start
Engaged Shuts Off
Disengaged Shuts Off
B
D
D. To turn right, pull the right back or push the left steering
control lever forward or a combination of both.
To stop, return both steering levers to neutral.
NOTE: The steering controls are mechanically locked in
neutral whenever the parking brake is engaged.
NOTE: Aggressive turning can scuff or damage lawns.
ALWAYS keep both wheels rotating when making sharp
turns. DO NOT make turns with inside wheel completely
stopped. To obtain minimum turning radius, slowly reverse
inside wheel while moving outside wheel slowly forward.
Ignition Switch
Operate the ignition switch with the
removable key. The switch has three
positions: Off (1), On (2) and Start (3). To
start the engine, turn the key to Start, then
release to On. To stop the engine, turn the
key to Off.
OF1750
Choke Control
Push the choke lever forward to start a cold
engine. Pull the choke lever to the rear when
the engine gets warm.
OF1680
Throttle Lever
Changes the engine speed.
1
Fast (1) – Increases engine speed.
Slow (2) – Decreases engine speed.
2
OF1700
Power Take Off (PTO) Switch
Power take off (PTO) switch engages and
disengages the mower blades.
1
Pull the power take off (PTO) switch to On
position to engage mower blades (1).
Push the power take off (PTO) switch to Off
position to disengage mower blades (2).
NOTE: The engine will not start unless the
2
steering control levers are in the neutral posi-
tion, the PTO switch is in the Off position and
parking brake is set.
OE0261
GB - 10