Troubleshooting The Mower - Ferris IS5100Z Series Operator's Manual

Troubleshooting the Rider Continued
PROBLEM
Engine runs, but rider will not drive. Hydraulic dump valve(s) in "open"
Hydraulic pump drive belt slips.
Brake will not hold.
Rider steers or handles poorly.

Troubleshooting the Mower

PROBLEM
Mower will not raise.
Engine stall easily with mower
engaged.
Excessive mower vibration.
Excessive belt wear or breakage.
Mower drive belt slips or fails to
drive.
Mower disengages during operation
and will not re-engage (See Deck
Shut Down Module)
Troubleshooting, Adjustment & Repair
CAUSE
position.
Belt is broken.
Drive belt slips.
Brake is not fully released.
Pulleys or belt greasy or oily.
Belt stretched or worn.
Brake is incorrectly adjusted.
Brake caliper pads worn.
Steering linkage is loose.
Improper tire inflation.
CAUSE
Lift linkage not properly attached or
damaged.
Leak in the hydraulic system.
Engine speed too slow.
Ground speed too fast.
Cutting height set too low.
Discharge chute jamming wiht cut
grass.
Blade mounting bolts are loose.
Mower blades, spindles or pulleys are
bent.
Mower blades are out of balance.
Belt installed incorrectly.
Bent or rough pulleys.
Using incorrect belt.
Idler pulley spring broken or not
properly attached.
Mower drive belt broken.
Unit has overheated.
Unit has lost oil pressure.
REMEDY
Turn dump valve(s) clockwise to close.
Torque to 80-120 in.lbs. (9-13.5 Nm)
See Belt Removal and Replacement.
See problem and cause below.
See authorized service dealer.
Clean as required.
Replace belt.
See Parking Brake Adjustment.
Replace with new brake pads.
Check and tighten any loose
connections.
See Checking Tire Pressures.
REMEDY
See authorized service dealer.
See authorized service dealer.
Set to full throttle.
Decrease ground speed.
Cut tall grass at maximum cutting height
during first pass.
Cut grass with discharge pointing
toward previously cut area.
Tighten to 70 ft.lbs. (94 Nm).
Check and replace as necessary.
Remove, sharpen and balance blades.
See Maintenance section.
Reinstall correctly.
Repair or replace.
Replace with correct belt.
Repair or replace as needed.
Replace drive belt.
Allow engine to cool, disengage mower
and then re-engage mower.
Shut unit down and see dealer.
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