Troubleshooting
Troubleshooting
Important:
It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to mower use.
When a problem occurs, Do Not overlook the simple causes. For example: starting problems could be
caused by an empty fuel tank.
The following table lists some of the common causes of trouble. If a problem continues, contact an Authorized
Service Dealer.
Problem
Possible Cause
Corrective Action
1. Fuel tank is empty.
1. Fill the fuel tank.
2. Fuel shutoff valve is closed.
2. Open the fuel shutoff valve.
3. The throttle-choke-engine stop control is
not in the correct position.
3. Move the control to the Choke position.
4. Dirt, water, or stale fuel is in the fuel
system.
4. Contact an Authorized Service Dealer.
5. Faulty spark plug.
5. Clean, adjust or replace spark plug.
6. Spark plug wire is not connected.
6. Check the spark plug wire connection.
Engine will not start, starts hard, or fails to
keep running.
7. Dirt in fuel filter.
7. Replace fuel filter.
1. Air cleaner is dirty.
1. Clean or replace the air cleaner element.
2. Oil level in the crankcase is low.
2. Add oil to the crankcase.
3. Vent hose is plugged.
3. Clean or replace the vent hose.
4. Dirt in fuel filter.
4. Replace the fuel filter.
5. Dirt, water, or stale fuel is in the fuel
system.
5. Contact an Authorized Service Dealer.
Engine loses power.
6. The underside of the lawn mower deck
contains clippings and debris.
6. Clean the underside of the lawn mower
deck.
1. The wire is not connected to the spark
plug.
1. Connect the wire to the spark plug.
2. Faulty spark plug.
2. Clean, adjust or replace spark plug.
3. The throttle-choke-engine stop control is
not in the Fast position.
3. Move the control to the Fast position.
4. The air filter element is dirty and is
restricting the air flow.
4. Clean the air filter pre-cleaner and/or
replace the paper air filter.
Engine runs rough.
5. Dirt in fuel filter.
5. Replace the fuel filter.
1. The blade(s) is bent or is out of balance.
1. Balance the blade(s). If the blade(s) is
bent, replace it.
2. The blade mounting bolt is loose.
2. Tighten the blade mounting bolt.
3. The underside of the lawn mower deck
contains clippings and debris.
3. Clean the underside of the lawn mower
deck.
4. The engine mounting bolts are loose.
4. Tighten the engine mounting bolts.
5. Loose engine pulley, idler pulley, or blade
pulley.
5. Tighten the appropriate pulley.
6. Engine pulley is damaged.
6. Contact an Authorized Service Dealer.
7. Blade spindle is bent.
7. Contact an Authorized Service Dealer.
Lawn mower or engine vibrates excessively.
8. Belt is damaged.
8. Install new belt.
1. All four wheels are not at the same height.
1. Place all four wheels at the same height.
2. The blade(s) is dull.
2. Sharpen and balance the blade(s).
3. Mowing in the same pattern repeatedly.
3. Change the mowing pattern.
4. The underside of the lawn mower deck
contains clippings and debris.
4. Clean the underside of the lawn mower
deck.
Uneven cutting pattern.
5. Blade spindle is bent.
5. Contact an Authorized Service Dealer.
37
Summary of Contents for exmark 30"
Page 1: ...COMMERCIAL 30 For Serial Nos 408 644 346 Higher Part No 4505 171 Rev A ...
Page 40: ...Notes 40 ...
Page 41: ...Notes 41 ...
Page 42: ...Service Record Date Description of Work Done Service Done By 42 ...
Page 43: ...43 ...
