Maintenance Service
Interval
Maintenance Procedure
Every 500 hours
• Replace the air-cleaner paper element (more often under dusty, dirty conditions).
• Replace the spark plug(s).
• Check the wheel hub slotted nut torque specifications.
• Adjust the caster-pivot bearing.
• Adjust the parking brake.
• Change the hydraulic filter and fluid is using Toro HYPR-OIL™ 500 fluid (Every 250
hours if using Mobil 1 15W50).
Every 800 hours
• Inspect the engine-valve clearance.
Monthly
• Check the battery charge.
Yearly
• Grease the pump belt idler arm.
• Lubricate the caster-wheel hubs.
Yearly or before storage
• Change the deck-lift power unit fluid.
Important:
Refer to your engine owner's manual for additional maintenance procedures.
CAUTION
If you leave the key in the switch, someone could accidently start the engine and seriously
injure you or other bystanders.
Shut off the engine and remove the key from the switch before you perform any maintenance.
Lubrication
Greasing the Machine
Grease more frequently when operating conditions
are extremely dusty or sandy.
Grease Type:
No. 2 lithium or molybdenum grease
1.
Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Clean the grease fittings with a rag.
Note:
Make sure that you scrape any paint off
the front of the fitting(s).
4.
Connect a grease gun to the fitting.
5.
Pump grease into the fittings until grease begins
to ooze out of the bearings.
6.
Wipe up any excess grease.
Lubricating the Mower
Deck-Lift Pivots
Service Interval:
Every 100 hours
Use light oil or spray lubricant to lubricate the deck-lift
pivots.
g017050
Figure 35
37
Summary of Contents for Air Cool Z Master 74090
Page 69: ...g008623 Hydraulic Schematic Rev A 69 ...
Page 72: ......