GB - 37
Problem Probable Cause
Discharge Chute Plugged Grass is wet - mow grass only when dry.
Raise cutting height.
Mow at full throttle.
Ground speed too fast for conditions.
Correct installation of deck drive belt.
Mower Deck Vibrates Run engine at full throttle.
Loose hardware.
Check/replace mower deck drive belt.
Check/replace spindle drive belt.
Blades bolts are loose.
Blades are bent or worn.
Sharpen and balance blades.
Remove belt shields and check for debris on sheaves.
Check sheaves for proper alignment or damage. See your
Gravely dealer.
Mower Blades Do Not Engage Mower deck drive belt slipping or broken.
Spindle drive belt slipping or broken.
Mower deck belt tension spring not installed or broken.
PTO switch failure.
20-amp fuse is blown (main power circuit).
Loose electrical connections.
Faulty PTO clutch.
Faulty relay or relay connection(s) (see Replacing Relays
(988147, 148) on page 31).
Mower Cuts Unevenly Mower deck not properly leveled.
Ground speed too fast for conditions.
Engine speed too slow – run engine at full throttle.
Reduce ground speed when making turns.
Blades bent or worn.
Sharpen or replace blades.
Change mowing pattern.
Check tire pressure.
To Next Page
Loading...
