Gravely 915180 -ZT50 Lawn Mower User Manual


 
EN - 33
Unit moves with
engine off and
parking brake
engaged.
1. The parking brake
needs
adjustment.
1. Contact your Gravely dealer.
2. Faulty parking
brake.
2. Contact your Gravely dealer.
Unit does not
travel in a
straight line.
1. Incorrect tire
pressure.
1. Check tire pressure. See
“SPECIFICATIONS” on page 34.
2. Steering levers
need adjustment.
2. Adjust steering levers. See “Forward Speed
Adjustment” on page 28.
3. Hydrostatic
transmission
and/or linkage
needs
adjustment.
3. Contact your Gravely dealer.
Unit creeps with
steering levers
in neutral
position.
1. Hydrostatic
transmission
and/or linkage
needs
adjustment.
1. Contact your Gravely dealer.
Poor cutting
quality.
1. Mower deck not
level or mower
pitch is incorrect.
1. Level and adjust pitch of mower deck. See
“LEVELING AND ADJUSTING PITCH OF
MOWER DECK” on page 23.
2. Dull or faulty
mower blades.
2. Sharpen mower blades (see SHARPENING
MOWER BLADE on page 24) or replace
mower blades (see REPLACING MOWER
BLADE on page 24).
PROBLEM PROBABLE
CAUSE
CORRECTION
SERVICE PARTS
Be sure to always use genuine Gravely
parts to keep your unit running like new.
Part No. Description
51519500 34- and 50-Inch Spindle
Assembly
51520900 42-Inch Spindle Assembly
07100124 Front Wheel
07200116 34-Inch Deck Belt
07200010 HA Raw Laminated Belt –
Hydraulic Drive
03971900 34-Inch Mower Blade
03797300 34-Inch Mulching Blade
04265400 42-Inch Mower Blade
07200523 42-Inch Deck Belt
03971900 50-Inch Mower Blade
07200524 50-Inch Deck Belt
ACCESSORIES
See your authorized Gravely dealer to add
these optional accessories to your unit.
Part No. Description
71503300 36-Inch Roller
71503400 48-Inch Dethatcher
71503600 Spreader
71508200 48-Inch Aerator
71510800 34-Inch Mulch Kit
71510900 Trailer Hitch Kit (915146, 168)
71513000 Washout Port Kit
(915146, 168)
81513400 34-Inch Non-Powered Bagger
81514200 42-Inch Non-Powered Bagger
81515000 50-Inch Non-Powered Bagger
71513100 42-Inch Mulch Kit
71513200 50-Inch Mulch Kit