Maintenance Schedule - Gravely 988100 Owner's/Operator's Manual

Period Service
Check Safety Interlock System
Check Air Cleaner
Check Engine Oil
Each Use
Check Engine Cooling
Check Fasteners
Check Tire Pressure
Follow Engine Manual

Maintenance Schedule

Check All Belts
Every 25
Hours
Mower Blades
Clean Air Cleaner Foam
Element
Every 50 General Lubrication
Hours
Change Engine Oil
Check Fuel Filter
Every 100
Check Spark Plug
Hours
Check Muffler
Clean Air Cleaner Paper
Element
*
Change oil after first 8 hours of operation and every 100
hours thereafter.
MAINTENANCE SCHEDULE
Task
WARNING:
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 Check Safety Interlock System on page 10.
Check the air cleaner element before each use. See engine manual for
detailed instructions.
Check the engine oil level before each use. Never operate the engine when
the oil level is low. See engine manual for detailed instructions.
Check the engine air cooling system before each use. See engine manual for
detailed instructions.
Check all nuts, bolts, and other fasteners before each use. Replace missing
or damaged fasteners.
Check tires for proper inflation, excessive wear or damage before each use.
The correct air pressure is 8 to 16 psi (55 to 110 kPa).
Perform scheduled engine maintenance. See engine manual for detailed
instructions.
Check all belts for wear or damage. If belts slip, check for damaged belt
tensioner.
Check mower blades for wear. Sharpen or replace as needed. See Mower
Blades on page 21.
See engine manual for detailed instructions.
Oil all pivot points and pin connections. Grease lube fittings. See General
Lubrication on page 17.
* Open the petcock to drain oil through oil drain hole on the left side of engine.
See engine manual for additional instructions.
See engine manual for detailed instructions.
See engine manual for detailed instructions.
Check muffler for damage or wear. Replace if necessary.
See engine manual for detailed instructions.
Safety interlock system failure and improper operation of unit
GB-16