Gravely 988091 - Troubleshooting; Engine Will Not Start; Unit Movement;Mowing Issues; Noise and Vibration Issues

GB - 17
Storage – Two Months or More
Check each item in the Before Each Use, 25 and 50
hour maintenance schedule, but do not add gasoline.
Clean the tractor. Touch up all scratched painted
surfaces.
IMPORTANT: Never spray unit with water or store unit
outdoors. Store unit in a cool, dry, protected location.
NOTE: Do not use harsh or abrasive cleaners on any
painted surface. Do not allow gasoline or oil to remain
on any decals.
Engine
Refer to the engine manual to prepare the engine for
storage.
Battery
Remove battery and store in a cool, dry place.
STORAGE
WARNING: AVOID INJURY. Read and
understand Maintenance and Service and
Storage Safety Rules before proceeding.
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
Engine will not
start
1. Safety Interlock System is
preventing start.
2. Fuel tank is empty or fuel is
contaminated.
3. Air cleaner is clogged or
damaged.
4. Safety Interlock System out of
adjustment or defective.
5. Dirty or damaged spark plug.
1. The engine will not start unless the speed
control lever is in the neutral position and the
PTO switch is in the Off position.
2. Add fuel. If necessary, replace the fuel with
clean, fresh fuel.
3. Clean or replace the filter element. See engine
manual.
4. See your Dealer for repairs.
5. See Engine Manual.
Unit will not
move or mow
when the engine
is running
1. Transmission belt or mower
belt is broken, worn, or off the
pulleys.
1. Check belts for wear, damage and correct
position on pulleys. Replace belts if worn or
damaged. See Service and Adjustments.
Changes in the
sound or
vibrations of the
unit
1. Loose or missing fasteners.
2. Mower blade problem.
1. Check all the fasteners. Replace if necessary.
2. Refer to mower Owner/Operator Manual.
Unit will not
move when
operated on an
incline.
1. Binding in the steering or brake
linkage.
2. Steering levers out of
adjustment.
3. Worn or damaged traction
belts.
4. Transmission shaft pulley
worn.
1. Check linkage for debris or damage. Repair if
necessary. See Service and Adjustments or
your Dealer for repairs.
2. See Service and Adjustments.
3. Check belts for wear or damage. Replace if
necessary. See Service and Adjustments.
4. If pulley shows excessive wear, replace it. See
your Dealer for repairs.