Stihl RZ 900 Series Instruction Manual - Page 29

Maintenance Schedule

Page 29 highlights

Maintenance Schedule The following schedule should be followed for normal care of your unit. You will need to keep a record of your operating time. Determining operating time is easily accomplished by observing the hour meter. If your unit is equipped with a dual function hour meter that displays both engine hours and PTO hours, the maintenance intervals are based on the engine hours as displayed by the hour meter. For engine maintenance schedules and procedures, please refer to the engine operator's manual. UNIT MAINTENANCE Before Each Use Check safety interlock system. Check unit's brakes. Check unit for loose hardware. Check hydraulic oil level. Every 25 Hours Clean mower deck and check/replace mower blades.* Initial check/adjustment of PTO clutch. Lubricate unit.* Check tire pressures. Every 50 Hours Lubricate front suspension control arms. Every 100 Hours Check mower blade stopping time. Check/Adjust PTO clutch. Clean battery and cables. Initial change of hydraulic oil. Every 400 Hours or Yearly Change hydraulic oil and filter. *More often in hot (Over 85°F, 30°C) weather or dusty operating conditions. ENGINE MAINTENANCE Before Each Use Check engine oil level. Every 25 Hours Check/Clean cooling fins and intake.* Every 50 Hours Check/Clean spark arrester.** Refer to Engine Operator's Manual Service air filter. Change engine oil and filter.* Check/Replace spark plugs. Check/Replace fuel filter. *More often in hot (Over 85°F, 30°C) weather or dusty operating conditions. **If equipped, replace if damaged. 29

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29
Maintenance Schedule
The following schedule should be followed for normal care
of your unit. You will need to keep a record of your operating
time. Determining operating time is easily accomplished by
observing the hour meter.
If your unit is equipped with a dual function hour meter that
displays both engine hours and PTO hours, the maintenance
intervals are based on the engine hours as displayed by the
hour meter.
For engine maintenance schedules and procedures, please
refer to the engine operator's manual.
UNIT MAINTENANCE
Before Each Use
Check safety interlock system.
Check unit's brakes.
Check unit for loose hardware.
Check hydraulic oil level.
Every 25 Hours
Clean mower deck and check/replace mower blades.*
Initial check/adjustment of PTO clutch.
Lubricate unit.*
Check tire pressures.
Every 50 Hours
Lubricate front suspension control arms.
Every 100 Hours
Check mower blade stopping time.
Check/Adjust PTO clutch.
Clean battery and cables.
Initial change of hydraulic oil.
Every 400 Hours or Yearly
Change hydraulic oil and filter.
*More often in hot (Over 85°F, 30°C) weather or dusty operating
conditions.
ENGINE MAINTENANCE
Before Each Use
Check engine oil level.
Every 25 Hours
Check/Clean cooling fins and intake.*
Every 50 Hours
Check/Clean spark arrester.**
Refer to Engine Operator's Manual
Service air filter.
Change engine oil and filter.*
Check/Replace spark plugs.
Check/Replace fuel filter.
*More often in hot (Over 85°F, 30°C) weather or dusty operating
conditions.
**If equipped, replace if damaged.