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Rider Troubleshooting Continued.
PROBLEM CAUSE REMEDY
Engine runs, but rider will 1. Hydraulic dump valve(s) 1. Turn dump valve(s) clockwise to close.
not drive. in “open” position. Torque to 80-120 in.lbs. (9-13.5 N.m.)
2. Belt is broken. 2. See Drive Belt Replacement.
3. Drive belt slips. 3. See problem and cause below.
4. Brake is not fully released. 4. See authorized service dealer
Hydraulic pump drive belt slips. 1. Pulleys or belt greasy or oily. 1. Clean as required.
2. Belt stretched or worn. 2. Replace belt.
Brake will not hold. 1. Brake is incorrectly adjusted. 1. See Brake Adjustment.
2. Brake caliper pads worn. 2. Replace with new brake pads.
Rider steers or handles poorly. 1. Steering linkage is loose. 1. Check and tighten any loose connections.
2. Improper tire inflation. 2. See Regular Maintenance Section.
TROUBLESHOOTING THE MOWER
PROBLEM CAUSE REMEDY
Mower will not raise. 1. Lift linkage not properly attached 1. See authorized service dealer for repair.
or damaged.
Mower cut is uneven. 1. Mower not leveled properly. 1. See Mower Adjustment.
2. Rider tires not inflated 2. See Regular Maintenance Section.
equally or properly.
Mower cut is rough looking. 1. Engine speed too slow. 1. Set throttle to full.
2. Ground speed too fast. 2. Decrease Ground Speed.
3. Blades are dull. 3. Sharpen or replace blades.
See Mower Blade Service.
4. Mower drive belt slipping 4. Clean or replace belt as necessary.
because it is oily or worn.
5. Blades not properly fastened 5. See Servicing the Mower Blades.
to spindles.
Engine stalls easily with 1. Engine speed too slow. 1. Set to full throttle.
mower engaged. 2. Ground speed too fast. 2. Decrease Ground Speed.
3. Cutting height set too low. 3. Cut tall grass at maximum cutting
height during first pass.
4. Discharge chute jamming 4. Cut grass with discharge pointing toward
with cut grass. previously cut area.
Excessive mower vibration. 1. Blade mounting bolts 1. Tighten to 70 ft.lbs. (94 N.m.).
are loose.
2. Mower blades, spindles, 2. Check and replace as necessary.
or pulleys are bent.
3. Mower blades are out 3. Remove, sharpen, and balance blades.
of balance. See Maintenance Section.
4. Belt installed incorrectly. 4. Reinstall Correctly.
Excessive belt wear or breakage. 1. Bent or rough pulleys. 1. Repair or replace.
2. Using incorrect belt. 2. Replace with correct belt.
Mower drive belt slips or fails to 1. Idler pulley spring broken or not 1. Repair or replace as needed.
drive. properly attached.
2. Mower drive belt broken. 2. Replace drive belt.