EN - 20
MAINTENANCE SCHEDULE
SERVICE PARTS
See your Gravely dealer to purchase service
parts for your unit.
HOUR / MAINTENANCE METER
Hour Meter-only Models
Hour meter measures engine runtime and
cannot be reset.
Maintenance Models
See Figure 19.
When the key is in the on position, the Timer
mode displays. Press the Mode button to
toggle between different modes.
Timer: Measures engine runtime until reset.
To reset the timer, press the Mode button to
select TMR1 mode and then hold Mode
button for 3
seconds.
IMPORTANT: Turn ignition key to the off
position when unit is not in use. Some meters
may count hours when the key is in the on
position, even if the engine is off. This results
in inaccurate maintenance intervals.
Service Alerts: Counts down hours until
service is needed and displays "Now" when
service is due. Service time is measured for:
• Engine oil and filter changes (CHG OIL)
• Hydraulic oil and filter changes (CHG H
OIL)
• Air filter service (SVC AIRFILTER)
The service intervals preset into the hour
meter are:
• Hydraulic oil and filter: First 75 hours and
every 400 hours thereafter
• Engine oil and filter: First 25 hours and
every 100 hours thereafter
• Air filter: Every 100 hours
NOTICE: The preset engine oil services
intervals are normal recommended intervals.
Specific engine manufacturer’s
recommendations may vary.
To clear a service message, press the mode
button to select service alert mode and then
hold the mode button for 3
seconds.
Service Performed
Each Use
Every 25 hrs.
Every 50 hrs.
Every 100 hrs.
Every 400 hrs.
Check Safety Interlock
System
•
Check Hydraulic System •
Check Parking Brake •
Check Engine Oil * •
Change Engine Oil *
Check Tire Pressure •
Check Mower Blades •
Check Battery •
Clean Battery •
Check Air Filter * •
Check Fasteners •
Lubricate Unit •
Clean Engine Cooling
System*
•
Check Belts •
Change Hydraulic Oil and
Filter **
•
* Refer to engine manual for instructions.
**Change after first 75 hours of operation.
Description Qty. Part No.
Transaxle Drive Belt 1 07225600
Mower Belt – Left 52" 1 07200816
Mower Belt – Right 52" 1 07200806
Mower Belt – Left 60" 1 07200817
Mower Belt – Right 60" 1 07200807
Mower Blade – 52" 3 03253800
Mower Blade – 60" 3 03253900
Seat Switch 1 02754100
Hydraulic Oil – 32 oz
(1 Qt.)
AR 00057100
Hydraulic Oil Filter 2 21545100
Fuel Filter 1 21548101
Engine Oil Filter 1 21535800
Air Filter – Inner Element 1 21548700
Air Filter – Outer Element 1 21548800
Muffler Gasket 1 00191627
Fuel Stabilizer – 118 ml
(4 oz.)
• Except Canada
• For Canada only
AR
04730400
04742500
Description Qty. Part No.
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