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Maintenance
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
After the rst 8 operating
hours
• Change the engine oil.
• Check the hydraulic uid.
After the rst 25
operating hours
• Change the hydraulic lter and oil.
Before each use or daily
• Check the safety interlock system.
• Check the engine oil.
• Check the mower blades.
• Clean the mower deck.
Every 25 hours
• Check the hydraulic uid.
Every 50 hours
• Grease the mower bearings.
• Check the tire pressure.
• Check the pump drive belt.
Every 100 hours
• Change the engine oil.
• Check the spark plug.
• Clean the engine cylinder and cylinder head cooling ns
• Check the hydraulic hoses.
Every 150 hours
• Lubricate the machine with light oil.
Every 200 hours
• Change the engine oil lter.
• Replace the fuel lter.
Every 250 hours
• Replace the primary air lter (more often in duty or sandy conditions).
Every 500 hours
• Check the wheel hub slotted nut.
• Adjust the caster pivot bearing.
Every 600 hours
• Replace the safety air lter (more often in duty or sandy conditions).
Yearly
• Grease the front caster pivots (more often in dirty or dusty conditions).
• Change the hydraulic lter and oil.
Important:
Refer to your engine operator’s manual for additional maintenance procedures.
If you leave the key in the ignition switch, someone could accidently start the engine and
seriously injure you or other bystanders.
Remove the key from the ignition and disconnect the wire from the spark plug(s) before you
do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.
Lubrication
Greasing and Lubrication
Lubricate the machine when shown on the
Check
Service Reference Aid decal
(Figure 25). Grease
more frequently when operating conditions are
extremely dusty or sandy.
Grease Type: General-purpose grease.
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Summary of Contents for 74237
Page 7: ...Slope Chart 7...
Page 10: ...107 1860 107 1861 107 1864 107 2102 10...
Page 12: ...106 7492 106 9989 107 8076 1 Fast 2 Slow 3 Neutral 4 Reverse 12...
Page 56: ...Schematics Wire Diagram Rev A 56...
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