Ariens ProZoom 99480600-1952S Owner's/Operator's Manual page 36

Machine Mower Deck
If
Excessive Machine
Vibration
Machine Will Not Move
With Engine Running
Check
• Engine speed too slow.
• Deck drive belt not tensioned
correctly.
• Mower blades not balanced.
• Park brake locked.
• Transmission oil level tow.
• Transmission oil cold - allow
engine to warm up.
• Pump drive belt slipping or
broken.
• Pump drive belt spring broken.
• Pump free-wheel valves open.
• Transmission problems. See
your authorized dealer.
Machine Creeps With • Needs motion control linkage
Engine Running and adjustment.
Motion Control Levers in a • Needs Adjustment.
Neutral Position
Park Brake
If Check
Park Brake Not Working • Park brake out of adjustment-
Correctly adjust linkage.
Steering
If Check
Steering Not Working • Pump free-wheel valves
partially open.
• Improper tire inflation.
• Hydrostatic transmission oil
level tow.
• Traction drive loose or broken.
• Hydraulic pump or wheel
motor faulty.
If
Discharge Chute
Plugged
Mower Deck Vibrates
Mower Blades Do Not
Engage
Mower Mows Unevenly
Check
• Grass is wet-mow grass only
when dry.
• Raise cutting height.
• Mow with engine at full fast
throttle.
• Ground speed too fast for
conditions.
• Correct installation of deck
drive belt.
• Run engine at fast throttle.
• Loose hardware.
• Check/replace deck drive
belt.
• Blade bolts are loose.
• Blades are bent or worn.
• Sharpen and balance blades.
• Remove belt shields and
clean debris from sheaves.
• Check sheaves for proper
alignment or damage. See
authorized dealer.
• Deck drive belt slipping or
broken.
• Deck belt tension spring not
installed or broken.
• PTO switch faulty.
• Fuse blown.
• Loose electrical connections.
• PTO clutch faulty.
• Mower deck not properly
leveled.
• Ground speed too fast for
conditions.
• Run engine at fast throttle.
• Reduce ground speed when
making turns.
• Sharpen or replace blades.
• Change mowing pattern.
• Check air pressure in all
traction unit tires.
• Anti-scalp rollers not
adjusted correctly.
GB - 36