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.
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