Exmark 312 用户手册
Maintenance
Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
WARNING
While maintenance or adjustments are being
made, someone could start the engine.
Accidental starting of the engine could seriously
injure you or other bystanders.
made, someone could start the engine.
Accidental starting of the engine could seriously
injure you or other bystanders.
Remove the key from the ignition switch, engage
parking brake, and pull the wire(s) off the spark
plug(s) before you do any maintenance. Also
push the wire(s) aside so it does not accidentally
contact the spark plug(s).
parking brake, and pull the wire(s) off the spark
plug(s) before you do any maintenance. Also
push the wire(s) aside so it does not accidentally
contact the spark plug(s).
WARNING
The engine can become very hot. Touching a hot
engine can cause severe burns.
engine can cause severe burns.
Allow the engine to cool completely before
service or making repairs around the engine area.
service or making repairs around the engine area.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
After the first 2 hours
• Inspect PTO clutching belt tension. Check every 2 hours for the first 8 hours of operation.
After the first 5 hours
• Change the engine oil.
After the first 100 hours
• Check wheel hub-slotted torque specification.
After the first 250 hours
• Change the hydraulic filter.
Before each use or daily
• Check the engine oil level.
• Check the mower blades.
• Check the safety interlock system.
• Check for loose hardware.
• Grease the caster wheel bearings.
• Grease caster pivots.
• Check the LPG tank and components.
• Clean the engine and exhaust system area.
• Clean the grass and debris build-up from the machine and cutting deck.
• Clean the grass build-up from under the deck.
• Check the mower blades.
• Check the safety interlock system.
• Check for loose hardware.
• Grease the caster wheel bearings.
• Grease caster pivots.
• Check the LPG tank and components.
• Clean the engine and exhaust system area.
• Clean the grass and debris build-up from the machine and cutting deck.
• Clean the grass build-up from under the deck.
Every 25 hours
• Service the air cleaner. (May need more often under severe conditions. See the Engine
Owner's manual for additional information.)
Every 40 hours
• Check the hydraulic oil level.
• Check the tire pressures.
• Check the condition of the belts.
• Grease the pump drive idler pivot.
• Grease the clutch arm pivot.
• Grease the pump control bearings.
• Grease the mower deck idler pivot.
• Check the entire LPG fuel delivery system.
• Inspect PTO clutching belt tension.
• Check the tire pressures.
• Check the condition of the belts.
• Grease the pump drive idler pivot.
• Grease the clutch arm pivot.
• Grease the pump control bearings.
• Grease the mower deck idler pivot.
• Check the entire LPG fuel delivery system.
• Inspect PTO clutching belt tension.
Every 80 hours
• Remove engine shrouds and clean cooling fins.
Every 100 hours
• Change the engine oil. (May need more often under severe conditions.)
Every 160 hours
• Check the spark plugs. (See Check Spark Plug section for proper spark plug gap.)
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