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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.
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
MAINTENANCE SCHEDULE
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
*
Change oil after first 8 hours of operation and every
100 hours thereafter.
MAINTENANCE
Each
25
50
100
Use
•
•
•
•
•
•
•
•
•
•
•
•
*
•
•
•
•
•
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 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.
500
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.
A
Off
B
Off
C
On
D
Off
**
•
GB - 17
On
No
On
Off
Yes
On
On
Yes
On
On
No
On
Off
Off
Off
Off
Off
Off
On
Off
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