32
TROUBLE SHOOTING
Problem Possible Causes Corrective Action
Engine loses power 1. Oil level in crankcase is low. 1. Add oil to crankcase.
2. Cooling fins and air pasĆ
sages under engine blower
housing are plugged.
2. Remove obstruction from
cooling fins and air passages.
3. Engine load is excessive. 3. Shift into lower gear to reĆ
duce load.
4. Air cleaner is dirty. 4. Clean air cleaner element.
5. Dirt, water, or stale fuel is in
fuel system.
5. Have rider serviced by AuĆ
thorized TORO Service DealĆ
er.
6. Carburetor is adjusted incorĆ
rectly.
6. Adjust the carburetor.
7. Spark plug is pitted, fouled
or defective in some other way.
7. Install new, correctly
gapped spark plug.
Engine overheats 1. Cooling fins and air pasĆ
sages under engine blower
housing are plugged.
1. Remove obstruction from
cooling fins and air passages.
2. Carburetor is adjusted incorĆ
rectly.
2. Adjust the carburetor.
3. Oil level in crankcase is low. 3. Add oil to crankcase.
4. Engine load is excessive. 4. Shift into lower gear to reĆ
duce load.
Rider vibrates abnormally 1. Engine mounting bolts are
loose.
1. Tighten engine mounting
bolts.
2. Differential axle is misaĆ
ligned.
2. Adjust the drive chain,
which includes the differential
axle.
3. Loose PTO pulley, idler
pulley or blade pulley.
3. Tighten the appropriate
pulley.
4. Cutter blade is unbalanced
or bent.
4. Install new cutter blade.
5. Blade bolt holding blade is
loose.
5. Tighten bolt to 45Ć60 ftĆlb
(61Ć81 NĆm).
6. Drive pulley is damaged. 6. Replace drive pulley.
Blade does not rotate 1. Blade drive belt is worn,
loose or broken.
1. Install new blade drive
belt.
2. Blade drive belt is off pulley. 2. Install blade drive belt and
check idler pulley and belt
guides for correct position.
Rider does not drive 1. Traction belt is worn, loose
or broken.
2. Traction drive belt is off
pulley.
3. Drive chain is off sprockets.
4. Transmission .
5. Traction idler is adjusted inĆ
correctly.
1. Install new traction drive
belt.
2. Install traction drive belt.
3. Install and adjust drive
chain.
4. Have rider serviced by AuĆ
thorized Toro Service Dealer.
5. Adjust traction drive belt.