Maintenance Chart
MAINTENANCE
20
TRACTOR AND MOWER
Every 8 Hours or Daily
Check safety interlock system
Clean debris off tractor and mower deck
Clean debris from engine compartment
Every 25 Hours or Annually *
Check tire pressure
Check mower blade stopping time
Check tractor and mower for loose hardware
Every 50 Hours or Annually *
Clean battery and cables
Check tractor brakes
See Dealer Annually to
Lubricate tractor and mower
Check mower blades **
ENGINE
First 5 Hours
Change engine oil
Every 8 Hours or Daily
Check engine oil level
Every 25 Hours or Annually *
Clean engine air filter and pre-cleaner **
Every 50 Hours or Annually *
Change engine oil
Replace oil filter
Annually
Replace air filter
Replace pre-cleaner
See Dealer Annually to
Inspect muffler and spark arrester
Replace spark plug
Replace fuel filter
Clean engine air cooling system
* Whichever comes first
** Check blades more often in regions with sandy soils or
high dust conditions.
* Whichever comes first
** Clean more often in dusty conditions or when airborne
debris is present.
Check Tire Pressure
Tire pressure should be checked periodically, and
maintained at the levels shown in the chart (see Figure
11). Note that these pressures may differ slightly from
the “Max Inflation” stamped on the side-wall of the tires.
The pressures shown provide proper traction, improve
cut quality, and extend tire life.
Figure 11. Check Tire Pressure
Size
PSI
bar
22 x 10.0-10 6-8
0,41-0,55
15 x 6.00-6
12-15
0.68-0,82
Not
for
Reproduction