Troubleshooting The Mower - Briggs & Stratton Legacy XL Operator's Manual

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.
For all other issues see an authorized dealer.
CAUSE
1. Lift linkage not properly attached or damaged
2. Dirt in hydraulic lines.
1. Mower not leveled properly.
2. Tractor tires not inflated equally or properly.
3. Cutting with attachment lift in raised position.
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. Blades not properly fastened to arbors.
1. Engine speed too slow.
2. Ground speed too fast.
3. Mower choked with grass.
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. Mower choked with grass.
1. Bent or rough pulleys.
2. Using incorrect belt.
3. Excessive debris under cover.
1. Idler pulley spring broken or not properly attached.
2. Excessive debris under covers.
3. Mower drive belt broken.
REMEDY
Attach or repair.
Change transmission system filter.
See Change Transmission Oil and Filter.
See Mower Deck Manual.
See Check Tire Pressure.
Lower attachment lift.
Set to full throttle.
Slow down.
Sharpen or replace blades. See Mower Deck Manual.
Clean or replace belt as necessary.
See Mower Deck Manual.
See Mower Deck Manual.
Set to full throttle.
Slow down.
Clean out mower deck.
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 70 ft.lbs. (94.9 N.m.).
See Mower Deck Manual.
Check and replace as necessary.
Remove, sharpen, and balance blades.
See Mower Deck Manual.
Clean out mower deck.
Repair or replace.
Replace with correct belt. See Mower Deck Manual.
Remove covers and clean out mower deck.
Repair or replace as needed.
See Mower Deck Manual.
Clean out mower deck. See Mower Deck Manual.
Replace drive belt. See Mower Deck Manual.
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