Troubleshooting, Adjustment & Service

Rider Troubleshooting Continued.

PROBLEM

CAUSE

REMEDY

 

 

 

Engine runs, but mower will not

Hydraulic release valves in “open”

Position hydraulic release valves in

drive.

position.

“drive” position.

 

 

 

 

Belt is broken.

See Drive Belt Replacement.

 

 

 

 

Drive belt slips.

See problem and cause below.

 

 

 

 

Brake is not fully released.

See service dealer.

 

 

 

Transmission drive belt slips.

Pulleys or belt greasy or oily.

Clean as required.

 

 

 

 

Clutch is out of adjustment.

See service dealer.

 

 

 

 

Belt stretched or worn.

Replace belt.

 

 

 

Brake will not hold.

Brake is incorrectly adjusted.

See Brake Adjustment.

 

 

 

 

Brake mechanism is worn.

Have transaxle repaired.

 

 

 

Mower steers hard or handles poorly.

Steering linkage is loose.

Check and tighten any loose

 

 

connections.

 

Improper tire infl ation.

See Regular Maintenance section.

 

 

 

TROUBLESHOOTING THE MOWER DECK

 

 

Reproduction

PROBLEM

 

CAUSE

for

REMEDY

 

 

 

 

 

 

 

 

 

Engine stalls easily with mower

 

Engine speed t

 

sl w.

Set to full throttle.

engaged.

 

 

 

 

 

 

 

Ground speed t

 

ast.

Decrease ground speed.

 

 

 

 

 

 

 

 

 

 

Notbent.

oo low.

Cut tall grass at maximum cutting height

 

 

Cutting height set

 

 

 

 

 

 

during fi rst pass.

 

 

Discharge chu e jamming with t grass

Cut grass with discharge pointing to-

 

 

 

 

 

 

ward previously cut area.

Excessive mower vibration.

 

Blade mounting screws are loose.

Tighten to 70-90 ft.lbs. (94-120 Nm)

 

 

Mower blades, arb rs r pulleys are

Check and replace as necessary.

 

 

 

 

 

 

Mower blades a e out of balance.

Remove, sharpen and balance blades.

 

 

 

 

 

 

See Maintenance section.

 

 

 

 

 

 

 

B

lt install d incorrectly.

Reinstall correctly.

 

 

 

 

 

Excessive belt wear or breakage.

 

B

nt or rough pulleys.

Repair or replace.

 

 

 

 

 

 

Using incorrect belt.

Replace with correct belt.

 

 

 

 

Mower drive belt slips or fails to

 

Belt tension improperly adjusted.

Adjust belt tension. See Belt Replace-

drive.

 

 

 

 

 

ment.

 

 

 

 

 

 

Idler pulley spring broken or not prop-

Repair or adjust as needed.

 

 

erly adjusted.

 

 

 

 

 

 

 

 

 

Mower drive belt broken.

Replace drive belt.

 

 

 

 

 

 

 

28

www.ferrisindustries.com