Maintenance Schedule - Ariens Gravely Promaster 148Z Operator's Manual

WARNING: AVOID INJURY. Read and understand
entire Safety section before proceeding.
Period Service
Check Safety Interlock
Check Parking Brake Interlock System See Parking Brake Interlock System on page 11.
Each Use
Check Hydraulic Fluid
Check Tires
Follow Engine Manual Maintenance
Schedule
Check Mower Blades
Every 25
Hours
Lubricate Unit
Every 50
Hours
Clean Battery
Check Fasteners
Every 100
Hours
Check Belts
Change Hydraulic Fluid and Filter
Every 500
Hours

MAINTENANCE SCHEDULE

Proper maintenance can prolong the life of unit. The
following charts show the recommended service schedule.
More frequent service may be required due to working
conditions (heavy loads, high ambient temperatures, dusty
conditions, or airborne debris).
See the maintenance instructions in the Engine Manual for
additional information.
Task
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 11.
Check hydraulic oil level mark on cap/dipstick. Add 15W50 Synthetic oil as
needed. Do not overfill. See Check Hydraulic Fluid Level on page 15.
See Specifications on page 24 for correct tire pressure.
Perform scheduled engine maintenance. Refer to engine manual for detailed
instructions.
Check mower blades for wear. Sharpen or replace as needed. See Mower Blades
on page 16.
Oil all pivot points and pin connections. Grease lube fittings. See Lubricate Unit
on page 17.
Keep battery and its terminals clean. See Clean Battery on page 17
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 20 and
See Replacing the Hydro Pump Belt on page 20.
Drain hydraulic fluid tank, replace hydraulic oil filter, refill system. See Hydraulic
Fluid on page 15.
GB - 14
.