Troubleshooting - Exmark Metro 21 Operator's Manual

Troubleshooting

Your mower was designed and built for trouble-free operation. Check the following components and items carefully. If a
problem continues, see your Authorized Exmark Service Dealer.
PROBLEM
Engine will not start g
Engine starts hard or loses power g
Engine runs rough g g
Mower or engine vibrates g
excessively i l
Uneven cutting pattern
Discharge chute plugs
Will not self-propel
1. Fill fuel tank with fresh gasoline
2. Move throttle lever to the CHOKE position
3. Spark plug
Connect spark plug wire
Clean spark plug, check spark plug gap, replace if damaged
p 1. Drain and refill fuel tank with fresh gasoline
2. Clean air cleaner pre-filter
3. Replace paper air filter
4. Clean underside of mower deck
5. Clean spark plug, check spark plug gap, replace if damaged
6. Check engine oil
1. Connect spark plug wire
2. Clean spark plug, check spark plug gap, replace if damaged
3. Move throttle lever from SLOW to FAST position
4. Clean air cleaner pre-filter
5. Replace paper air filter
1. Balance blade. Or if blade is bent, straighten it.
2. Tighten blade mounting bolt
3. Clean underside of mower deck
4. Tighten engine mounting bolts
1. Place all four (4) wheels at same height
2. Sharpen and balance blade
3. Change mowing pattern
4. Clean underside of mower deck
1. Move throttle lever from SLOW to FAST position
2. Raise cutting height
3. Slow down
4. Allow grass to dry before mowing
5. Clean underside of mower deck
1. Adjust self-propelled cable
2. Clean debris from under belt cover.
CORRECTIVE ACTION
22