GB - 12
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.
Engine must not start unless PTO is disengaged and
the speed control lever is in neutral. To test:
1. With engine off, engage PTO.
2. Turn electric start model ignition switch to Start.
Engine must not crank. Turn recoil start model
ignition switch to Run. Pull recoil start handle.
Engine must not start.
3. Place speed control lever in Forward.
4. Turn electric start model ignition switch to Start.
Engine must not crank. Turn recoil start model
ignition switch to Run. Pull recoil start handle.
Engine must not start.
The engine MUST stop whenever the operator
removes both hands from controls while the PTO or
transmission is engaged. To test:
1. Start engine and engage PTO.
2. Release operator presence control lever. Engine
must stop.
3. Disengage PTO.
4. Restart engine.
5. Place shift lever in first Forward speed.
6. Release operator presence control lever. Engine
must stop.
CHECK AIR CLEANER
Check the air cleaner element daily. See engine
manual for detailed instructions.
CHECK ENGINE OIL
Check the engine oil level daily. Never operate the
engine when the oil level is low. See engine manual for
detailed instructions.
CHECK ENGINE COOLING
Check the engine air cooling system daily. See engine
manual for detailed instructions.
CHECK FASTENERS
Check all nuts, bolts, and other fasteners daily. Replace
fasteners that are missing or damaged.
CHECK TIRE PRESSURE
Check tires for proper inflation, excessive wear or
damage daily. The correct air pressure is 12 to 15 psi
(83 to 103 kN/m
2
).
CHECK BATTERY (ELECTRIC START
MODELS)
Terminals
Inspect battery and terminals monthly.
To clean terminals:
1. Remove battery from unit by removing cables.
2. Remove tie down rod nuts and lift battery out.
3. Clean or service battery away from unit. Remove
corrosion from battery terminals and cable
connections with wire brush, then wash with a
weak baking soda solution.
MAINTENANCE
WARNING: AVOID INJURY. Read and
understand Maintenance and Service and
Battery Safety Rules before proceeding.
MAINTENANCE SCHEDULE
Each
Use
25 50 100
Check Safety Interlock
System
•
Check Air Cleaner
•
Check Engine Oil
•
Check Engine Cooling
•
Check Fasteners
•
Check Tire Pressure
•
Check Battery and Battery
Fluid
•
Check All Belts
•
General Lubrication
•
Change Engine Oil
•
Check Fuel Filter
•
Check Spark Plug
•
Check Muffler
•
WARNING: AVOID INJURY. Read and
understand Battery Safety Rules before
attempting any maintenance.
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