Gravely Compact-Pro 34 991088 Operator's Manual page 32

Problem Probable Cause
Mower blades not level or mower
deck pitch is incorrect.
Mower blades are dull or faulty.
Poor cutting
Mowing speed is too fast.
quality.
Belt tension or condition is poor. Replace deck drive belt. See Check
Cutting height is too low.
TROUBLESHOOTING
EN - 30
Correction
Level and adjust pitch of mower deck.
See Adjust Mower Deck on page 26.
Sharpen or replace mower blades. See
Sharpen Blades on page 18.
Drive slower when cutting grass.
Mower Belts on page 21.
Do not set height of cut too low. For very
tall grass, mow twice.