Troubleshooting The Mower - Allis-Chalmers AC-130 Series Operator's Manual

Tractor Troubleshooting Cont.
Tractor drive belt slips.
Brake will not hold.
Tractor steers hard or
handles poorly.

Troubleshooting the Mower

PROBLEM
Mower will not raise.
Mower cut is uneven.
Mower cut is rough looking.
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
1. Pulleys or belt greasy or oily.
2. Belt stretched or worn.
3. Idler pulley pivot bracket
"frozen" in declutched position.
1. Internal brake worn.
1. Steering linkage is loose.
2. Improper tire inflation.
3. Front wheel spindle
bearings dry.
CAUSE
1. Lift linkage not properly attached
or damaged.
1. Mower not leveled properly.
2. Tractor tires not inflated
equally or properly.
1. Engine speed too slow.
2. Ground speed too fast.
3. Blades are dull.
4. Mower drive belt slipping
because it is oily or worn.
5. Check PTO (Electric Clutch)
Adjustment.
6. Blades not properly fastened
to arbors.
1. Engine speed too slow.
2. Ground speed too fast.
3. Dirty or Clogged air filter.
4. Cutting height set too low.
5. Discharge chute jamming
with cut grass.
6. Engine not up to operating
temperature.
7. Starting mower in tall grass.
1. Blade mounting screws
are loose.
2. Mower blades, arbors,
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. Belt stops out of adjustment.
3. Mower drive belt broken.
4. PTO clutch out of adjustment.
29
Clean as required.
See your dealer.
Remove idler pulley bracket, clean and lubricate.
See your dealer.
Check and tighten any loose connections.
See "Steering Gear Adjustment."
Check and correct.
Grease spindles. See "Lubricating the
Tractor."
REMEDY
Attach or repair.
See "Mower Adjustment."
See "Check Tire Pressures."
Set to full throttle.
Slow down.
Sharpen or replace blades.
See "Mower Blade Service."
Clean or replace belt as necessary.
See ADJUSTMENTS Section.
See "Servicing the Mower Blades."
Set to full throttle.
Slow down.
See Engine Manual.
Cut tall grass at maximum cutting
height during first pass.
Cut grass with discharge pointing toward
previously cut area.
Run engine for several minutes to warm-up.
Start the mower in a cleared area.
Tighten to 45-55 ft-lbs (61-75 Nm).
Check and replace as necessary.
Remove, sharpen, and balance blades.
See "Servicing the Mower Blades."
Reinstall correctly.
Repair or replace.
Replace with correct belt.
Repair or replace as needed.
Check belt stops.
Replace drive belt.
Adjust PTO clutch.