Ferris Industries 5901011 Lawn Mower User Manual


 
37
Troubleshooting, Adjustment & Repair
Troubleshooting the Rider Continued
PROBLEM CAUSE REMEDY
Engine runs, but rider will not drive.
Hydraulic dump valve(s) in “open”
position.
Turn dump valve(s) clockwise to close.
Torque to 80-120 in.lbs. (9-13.5 Nm)
Belt is broken. See Belt Removal and Replacement.
Drive belt slips. See problem and cause below.
Brake is not fully released. See authorized service dealer.
Hydraulic pump drive belt slips.
Pulleys or belt greasy or oily. Clean as required.
Belt stretched or worn. Replace belt.
Brake will not hold.
Brake is incorrectly adjusted. See Parking Brake Adjustment.
Brake caliper pads worn. Replace with new brake pads.
Rider steers or handles poorly.
Steering linkage is loose. Check and tighten any loose
connections.
Improper tire inflation. See Checking Tire Pressures.
Troubleshooting the Mower
PROBLEM CAUSE REMEDY
Mower will not raise.
Lift linkage not properly attached or
damaged.
See authorized service dealer.
Leak in the hydraulic system. See authorized service dealer.
Engine stall easily with mower
engaged.
Engine speed too slow. Set to full throttle.
Ground speed too fast. Decrease ground speed.
Cutting height set too low. Cut tall grass at maximum cutting height
during first pass.
Discharge chute jamming wiht cut
grass.
Cut grass with discharge pointing
toward previously cut area.
Excessive mower vibration.
Blade mounting bolts are loose. Tighten to 70 ft.lbs. (94 Nm).
Mower blades, spindles or pulleys are
bent.
Check and replace as necessary.
Mower blades are out of balance. Remove, sharpen and balance blades.
See Maintenance section.
Belt installed incorrectly. Reinstall correctly.
Excessive belt wear or breakage.
Bent or rough pulleys. Repair or replace.
Using incorrect belt. Replace with correct belt.
Mower drive belt slips or fails to
drive.
Idler pulley spring broken or not
properly attached.
Repair or replace as needed.
Mower drive belt broken. Replace drive belt.
Mower disengages during operation
and will not re-engage (See Deck
Shut Down Module)
Unit has overheated. Allow engine to cool, disengage mower
and then re-engage mower.
Unit has lost oil pressure. Shut unit down and see dealer.
Not for
Reproduction