GB - 16
Coolant Temperature Gauge (992121, 123, 125, 126,
136, 137, 138)
Indicates temperature of coolant. See
TROUBLESHOOTING on page 31 or
refer to Engine Manual for details.
Fuel Shut-Off Valve
Controls fuel flow from left fuel tank (1) or
right fuel tank (2).
Open valve to operate the engine. Turn
the valve to off (3) when storing or
transporting the unit.
NOTE: There is no off (3) position on
models 992121, 123, 125, 126, 136, 137,
138.
Steering Levers
Control speed,
directional control, and
stopping unit.
• Reverse (1) – Pull
both steering levers
backward.
• Forward (2) – Push
both steering levers
forward.
• Left (3) – Pull left steering lever back or push right
steering lever forward or a combination of both.
• Right (4) – Pull right steering lever back or push left
steering lever forward or a combination of both.
To stop, return both steering levers to neutral.
NOTE: Steering levers are mechanically locked in neutral
whenever 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.
Parking Brake Lever
Engages (2) and disengages (1)
parking brake.
Mower Lift Lever (992123, 124, 126, 128, 129, 132,
133, 135, 137, 138, 139)
Raises and lowers mower deck.
To lower (1) – Move mower lift lever
forward.
To raise (2) – Move mower lift lever
rearward.
Cylinder Stops (992123, 124, 126, 128, 129, 132,
133, 135, 137, 138, 139)
Ensure the same cutting height after raising mower deck to
clear an obstacle. Cylinder stops are stored on a post behind
hydraulic lift cylinder and come in two sizes: 11/32 in. and
11/16 in. (8.73 mm and 17.5 mm).
1. Remove cylinder stops from post and snap onto lift
cylinder rod.
2. Push lift lever forward until cylinder rests against
cylinder stops.
Mower Lift Pedal (992111, 113, 115, 117, 121, 125,
127, 130, 131, 134, 136, 145)
Mower lift pedal raises and lowers the mower deck for
transporting the unit and for setting the cutting height.
To Transport: Push mower lift pedal (1) all the way forward
until lift lock (2) engages.
To Set Cutting Height: Put cutting height adjustment pin in
desired hole. Push mower lift pedal (1) forward and hold
while pushing down on the lift lock (2). Slowly lower mower
lift pedal (1) until deck lift contacts cutting height adjustment
pin.
NOTE: See STEERING LEVER HANDLE HEIGHT
ADJUSTMENT on page 28 to adjust the force required to lift
the mower deck.
Seat Adjustment Lever
Pull lever out and slide seat to desired position. Release
lever to lock seat into position.
Seat Suspension Adjustment Knob
To make seat more firm turn knob clockwise. To make seat
less firm turn knob counter clockwise.
°
F
170
195
220
280
100
40
80
100
140
WATER
TEMP
°
C
OF3305
RIGHT
TANK
LEFT
TANK
OFF
OF1881
1
2
3
077348A
1
3
2
4
OF1740
1
2
CAUTION: AVOID PINCH POINTS. Always use
the T-portion of the cylinder stop when removing or
installing the cylinder stops.
OF1700
1
2
