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Maintenance Schedule: Navigator®
Maintenance Service Interval Maintenance Procedure
  LUBRICATION CHART
After the first 5 hours
  • Change the engine oil.
After the first 100 hours
  • Check the wheel hub locknuts torque specification.
  • Check the wheel lug nut torque specification.
After the first 250 hours
  • Change the hydraulic filter.
Before each use or daily
  • Check the engine oil level.
  • Check the safety interlock system.
  • Check for loose hardware.
  • Remove accumulated debris from engine (see cleaning section.)
Every 40 hours
  • Check the hydraulic oil level.
  • Check the tire pressures.
  • Check the condition of the belts.
Every 50 hours
  • Service the air cleaner. (May need more often under severe conditions. See the Engine Owner’s Manual for additional information.)
Every 80 hours
  • Remove engine shrouds and clean cooling fins (see cleaning section.)
Every 100 hours
  • Change the engine oil. (May need more often under severe conditions.)
Every 160 hours
  • Lubricate the brake handle pivot.
  • Lubricate the brake rod bushings.
  • Lubricate the steering linkage rod ends.
  • Lubricate hopper actuator
  • Check the spark plugs.
Every 500 hours
  • Check the wheel hub locknuts torque specification.
  • Check the wheel lug nut torque specification.
Monthly
  • Check the battery charge.
Yearly
  • Lubricate
  • Grease fittings.
  • Lubricate the caster wheel hubs.
  • Change the hydraulic filter.
Recommended Maintenance Schedule(s) Navigator CD Deck
Maintenance Service Interval Maintenance Procedure
After the first 50 hours
  • Change oil in all three gearbox housings. Add oil as needed until level with oil drain plug.
Before each use or daily
  • Check the mower blades.
  • Check for loose hardware.
  • Grease the front caster wheel hub.
  • Clean the grass build-up from under the deck.
Every 40 hours
  • Check the condition of the belts.
  • Grease the drive shaft.
Every 100 hours
  • Change oil in all three gearbox housings. Add oil as needed until level with oil drain plug. thereafter
  • Grease the deck flip-up.
  • Grease the pivot arm tubes.
Yearly
  • Grease the front caster pivots.
  • Lubricate the caster wheel hubs.
Note: Our operator’s manual details the steps and procedures for the above items.
           To download the operator’s manual, please click here.
ADJUSTMENTS
See operator’s manual. Click here to download the manual.