GB - 16
Period
Service
Task
Each
Use
Check Safety Interlock
WARNING:
Safety interlock system failure and
improper operation of unit can result in death or
serious injury. Test this system each time the unit is
operated. If this system does not function as
described, do not operate until repairs are made.
See
Safety Interlock System
on page 12.
Check Parking Brake Interlock System
See
Parking Brake Interlock System
on page 12.
Check Engine Oil
Check oil level on dipstick (item 3). Add more oil through the
engine oil fill cap if needed. See engine manual for detailed
instructions.
Check Air Filter
Check the air cleaner element (item 9) before each use. See
engine manual for detailed instructions.
Check Hydraulic Fluid
Check hydraulic oil level mark on cap/dipstick (item 1). Add
15W50 Synthetic oil as needed. Do not overfill. See
Hydraulic
Fluid
on page 17.
Check Tires
See
Specifications
on page 26 for correct tire pressure.
Every 25
Hours
Check Mower Blades
Check mower blades for wear. Sharpen or replace as needed.
See
Mower Blades
on page 18.
Clean Air Filter Outer Element (992045, 046,
049)
Clean the outer filter element (item 9). Replace as needed. Refer
to engine manual for detailed instructions.
Every 50
Hours
Lubricate Unit
Oil all pivot points and pin connections. Grease lube fittings. See
Lubricate Unit
on page 20.
Every
100
Hours
Clean Battery
Keep battery (item 4) and its terminals clean. See
Clean Battery
on page 19
.
Change Engine Oil
Drain oil by opening oil drain petcock (item 6) on right side of unit.
Refer to engine manual for detailed instructions.
Clean Air Filter Inner Element (992045, 046, 049) Clean the inner filter element (item 9).
Check Fasteners
Check mower blade mounting hardware and all other fasteners.
Replace missing or damaged fasteners. Tighten all nuts and bolts
to their correct torque value.
Check Belts
Replace worn or deteriorated belts. See
Replacing Mower Belts
on page 22 and
Replacing the Hydro Pump Belt
on page 23.
Change Fuel Filter
Change in-line fuel filter (item 5). Refer to engine manual for
detailed instructions.
Every
200
Hours
Change Oil Filter
Change oil filter (item 7). Refer to engine manual for detailed
instructions.
Replace Air Filter Inner Element (992045, 046,
049)
Replace the inner filter element (item 9). Refer to engine manual
for detailed instructions.
Every
250
Hours
Replace Air Filter Outer Element (992047, 048,
052, 053)
Replace the outer filter element (item 9). Refer to engine manual
for detailed instructions.
Every
500
Hours
Change Hydraulic Fluid and Filter
Drain hydraulic fluid tank (item 2), replace hydraulic oil filter, refill
system. See
Change Hydraulic Fluid and Filter
on page 18.
Replace Air Filter Inner Element (992047, 048,
052, 053)
Replace the inner filter element (item 9). Refer to engine manual
for detailed instructions.
Every
1,500
Hours
Change EFI Fuel Filter (992048 only)
Replace cannister fuel filter (item 8) on frame. Refer to engine
manual for detailed instructions.
