Gravely Promaster 992066, 992067, 992068, 992069, 992070, 992071, 992072 Owner's/Operator's Manual page 16

Period Service
Clean Battery
Change Engine Oil
Clean Air Filter Inner Element (992066, 067, 070) Clean the inner filter element (item 9).
Every
Check Fasteners
100
Hours
Check Belts
Change Fuel Filter
Change Oil Filter
Every
200
Replace Air Filter Inner Element (992066, 067,
Hours
070)
Replace Air Filter Outer Element (992068, 069,
Every
071, 072)
250
Hours
Change Hydraulic Fluid and Filter
Every
500
Replace Air Filter Inner Element (992068, 069,
Hours
071, 072)
Change EFI Fuel Filter (992069 only)
Every
1,500
Hours
Task
Keep battery (item 4) and its terminals clean. See Clean Battery
.
on page 19
Drain oil by opening oil drain petcock (item 6) on right side of unit.
Refer to engine manual for detailed instructions.
Check mower blade mounting hardware and all other fasteners.
Replace missing or damaged fasteners. Tighten all nuts and bolts
to their correct torque value.
Replace worn or deteriorated belts. See Replacing Mower Belts
on page 22 and Replacing the Hydro Pump Belt on page 23.
Change in-line fuel filter (item 5). Refer to engine manual for
detailed instructions.
Change oil filter (item 7). Refer to engine manual for detailed
instructions.
Replace the inner filter element (item 9). Refer to engine manual
for detailed instructions.
Replace the outer filter element (item 9). Refer to engine manual
for detailed instructions.
Drain hydraulic fluid tank (item 2), replace hydraulic oil filter, refill
system. See Change Hydraulic Fluid and Filter on page 18.
Replace the inner filter element (item 9). Refer to engine manual
for detailed instructions.
Replace canister fuel filter (item 8) on frame. Refer to engine
manual for detailed instructions.
GB - 16