GB - 17

TO PUSH UNIT BY HAND

To move the unit without the engine running:
1. Rotate the bypass valve levers located on the
back side of the pumps approximately 1/2 turn
counterclockwise.
2. Release parking brake.
3. Push unit to desired location.
4. Rotate the bypass valve levers located on the
back side of the pumps approximately 1/2 turn
clockwise to operate the unit.
IMPORTANT: Towing the unit will damage hydraulic
motors.

TO TRANSPORT UNIT

ALWAYS shut off engine, remove key and drain fuel
when transporting unit on a truck or trailer. Use extra
care when loading or unloading unit.
Engage parking brake.
Secure unit chassis to transport vehicle. NEVER
secure from rods or linkages that could be damaged.
DO NOT transport machine while engine is running.
* Change oil after first 8 hours of operation and every
100 hours thereafter.
** Change Hydraulic Fluid after first 50 hours of
operation and every 500 hours thereafter.

CHECK 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.

988105, 106, 107, 108, 109, 113

To test:
1. With engine off, set controls as listed in line A of
the table below.
2. Turn electric start model ignition switch to Start.
Engine must not crank.
3. Turn ignition switch to On. Pull recoil start handle.
Engine must not start.
4. Repeat steps 1-3 for lines B-D of the table below.
5. Shut off the unit, if necessary. See Shut Off and
"To stop mowing."
IMPORTANT: If the system does not function properly,
do not operate the unit until repairs are made.
NOTE: Control settings that prevent engine starting will
stop a running engine.
MAINTENANCE
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
MAINTENANCE SCHEDULE
Each
Use 25 50 100 500
Check Safety Interlock
System •
Check Air Cleaner •
Check Engine Oil •
Check Engine Cooling •
Check Fasteners •
Check Tire Pressure •
Check Hydraulic Fluid
Level •
Check Battery •
Check All Belts •
Mower Blades •
Clean Air Cleaner Foam
Element •
General Lubrication •
Change Engine Oil *•
Check Fuel Filter •
Check Spark Plug •
Check Muffler •
Clean Air Cleaner Paper
Element •
Change Hydraulic Fluid
and Filter **•
PTO
PARKING BRAKE
SPEED CONTROL
LEVERS IN NEUTRAL
KEY
OPERATOR PRESENCE
CONTROL
ENGINE
AOff On No On Off Off
BOff Off Yes On Off Off
COn On Yes On Off Off
DOff On No On On Off