Gravely 915 Mini-ZT Service Manual page 40

PROBLEM
Unit moves with
engine off and parking
brake engaged
Unit does not travel in
a straight line
Unit creeps with
steering levers in
neutral position.
Poor cutting quality
TROUBLESHOOTING
PROBABLE CAUSE
1. The parking brake needs
adjustment.
2. Faulty parking brake.
1. Incorrect tire pressure.
2. Steering levers need
adjustment.
3. Hydrostatic transmission and/or
linkage needs adjustment.
1. Hydrostatic transmission and/or
linkage needs adjustment.
1. Mower deck not level or mower
pitch is incorrect.
2. Dull or faulty mower blades.
1. Contact your Ariens Dealer.
2. Contact your Ariens Dealer.
1. Check tire pressure (see
Specifications).
2. Adjust steering levers (see Forward
and Reverse Speed Adjustment).
3. Contact your Ariens Dealer.
1. Contact your Ariens Dealer.
1. Level and adjust pitch of mower deck
(see Leveling and Adjusting Pitch Of
Mower Deck).
2. Sharpen mower blades (see
Sharpening Mower Blade) or replace
mower blades (see Replacing Mower
Blade).
13 - 39
CORRECTION