Gravely ZT Sport Owner's/Operator's Manual page 12

INTERVAL
Check Battery
Lubricate Unit
25 Hours
or Every
Season
Clean Air Filter
Change Engine Oil
50 Hours Check Fasteners
or Every
Season
Inspect Muffler and
Spark Arrestor
Replace Spark Plug Replace spark plug (item 4). Refer to Engine Manual for
Replace Fuel Filter
Clean Cooling
100 Hours
System
or Every
Season
Check All Belts
1
Service more often when operating under heavy loads, high temperatures, or dusty
conditions. Replace air filter if very dirty.
2
Change after first 5 to 8 hours of use. Change every 25 hours when operating under heavy
loads or in high temperatures.
TASK
Keep battery and battery terminals clean (see Cleaning
Battery and Battery Cables on page 18).
Apply grease to
two front wheel
zerks.
1 Clean air filter (item 3). Refer to Engine Manual for detailed
instructions.
Drain engine oil by opening oil drain plug (item 6). Refer to
2
Engine Manual for detailed instructions.
Check mower blade mounting hardware and all other
fasteners. Replace fasteners that are missing or damaged.
Tighten all nuts and bolts to correct torque value.
Replace muffler (item 5) and spark arrestor (if equipped) if
corroded. Contact your Gravely Dealer.
detailed instructions.
Replace fuel filter (item 2). Refer to Engine Manual for
detailed instructions.
Clean cooling system (item 1). Refer to Engine Manual for
1 detailed instructions.
Replace worn or deteriorated belts.
• Check hydrostatic belt (see Hydrostatic Belt
• Check PTO belt (see PTO Belt Replacement on
• Check mower belt (see Mower Belt Replacement
Zerk
Replacement on page 20).
page 21).
(915032) on page 20).
GB - 12
ACTION
OE0046