Troubleshooting The Mower - Ferris 5900621 Operator's Manual

Rider Troubleshooting Continued.
PROBLEM
Engine runs, but rider will
not drive.
Hydraulic pump drive belt slips.
Brake will not hold.
Rider steers or handles poorly.

TROUBLESHOOTING THE MOWER

PROBLEM
Mower will not raise.
Engine stalls easily with
mower engaged.
Excessive mower vibration.
Excessive belt wear or breakage.
Mower drive belt slips or fails to
drive.
Troubleshooting, Adjustment & Service
CAUSE
1. Hydraulic dump valve(s)
in "open" position.
2. Belt is broken.
3. Drive belt slips.
4. Brake is not fully released.
1. Pulleys or belt greasy or oily.
2. Belt stretched or worn.
1. Brake is incorrectly adjusted.
2. Brake caliper pads worn.
1. Steering linkage is loose.
2. Improper tire inflation.
CAUSE
1. Lift linkage not properly attached
or damaged.
1. Engine speed too slow.
2. Ground speed too fast.
3. Cutting height set too low.
4. Discharge chute jamming
with cut grass.
1. Blade mounting bolts
are loose.
2. Mower blades, spindles,
or pulleys are bent.
3. Mower blades are out
of balance.
4. Belt installed incorrectly.
1. Bent or rough pulleys.
2. Using incorrect belt.
1. Idler pulley spring broken or not
properly attached.
2. Mower drive belt broken.
REMEDY
1. Turn dump valve(s) clockwise to close.
Torque to 80-120 in.lbs. (9-13.5 N.m.)
2. See Drive Belt Replacement.
3. See problem and cause below.
4. See authorized service dealer
1. Clean as required.
2. Replace belt.
1. See Brake Adjustment.
2. Replace with new brake pads.
1. Check and tighten any loose connections.
2. See Regular Maintenance Section.
REMEDY
1. See authorized service dealer for repair.
1. Set to full throttle.
2. Decrease Ground Speed.
3. Cut tall grass at maximum cutting
height during first pass.
4. Cut grass with discharge pointing toward
previously cut area.
1. Tighten to 70 ft.lbs. (94 N.m.).
2. Check and replace as necessary.
3. Remove, sharpen, and balance blades.
See Maintenance Section.
4. Reinstall Correctly.
1. Repair or replace.
2. Replace with correct belt.
1. Repair or replace as needed.
2. Replace drive belt.
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