Troubleshooting
Problem
Possible Cause
Corrective Action
1. Fuel tank is empty.
1. Fill the fuel tank with gasoline.
2. Choke is not on.
2. Move the choke lever to choke position.
3. Spark plug wire is loose or
disconnected.
3. Install wire on spark plug.
4. Spark plug is pitted, fouled, or the gap
is incorrect.
4. Install a new, correctly gapped spark
plug.
5. Air cleaner is dirty.
5. Service the air-cleaner element.
6. Dirt in the fuel filter.
6. Replace the fuel filter.
7. Dirt, water, or stale fuel is in the fuel
system.
7. Contact an Authorized Service Dealer.
The engine will not start, starts hard, or
fails to keep running.
8. The gap between the safety interlock
switches is not correct.
8. Contact an Authorized Service Dealer.
1. Engine load is excessive.
1. Reduce the ground speed.
2. Air cleaner is dirty.
2. Service the air cleaner.
3. Oil level in the crankcase is low.
3. Add oil to the crankcase.
4. Cooling fins and air passages under
the engine blower housing are plugged.
4. Remove the obstruction from the
cooling fins and air passages.
5. Spark plug is pitted, fouled, or the gap
is incorrect.
5. Install a new, correctly gapped spark
plug.
6. Vent hole in the fuel cap is plugged.
6. Clean or replace the fuel cap.
7. Dirt in the fuel filter.
7. Replace the fuel filter.
The engine loses power.
8. Dirt, water, or stale fuel is in the fuel
system.
8. Contact an Authorized Service Dealer.
1. Engine load is excessive.
1. Reduce the ground speed.
2. Oil level in the crankcase is low.
2. Add oil to the crankcase.
The engine overheats.
3. Cooling fins and air passages under
the engine blower housing are plugged.
3. Remove the obstruction from the
cooling fins and air passages.
1. Hydraulic oil reservoir low.
1. Add hydraulic oil to the reservoir.
2. Air in the hydraulic system.
2. Bleed the air out the hydraulic system.
3. Pump-drive belt slipping.
3. Replace the pump-drive belt.
4. Pump-drive belt idler spring missing.
4. Replace the pump-drive-belt idler
spring.
The machine does not drive.
5. Pump bypass valves are open.
5. Tighten the by-pass valves. Torque to
12 to 15 N-m (110 to 130 in-lb).
1. Cutting blade(s) is/are bent or
unbalanced.
1. Install new cutting blade(s).
2. Blade-mounting bolt is loose.
2. Tighten the blade-mounting bolt.
3. Engine-mounting bolts are loose.
3. Tighten the engine-mounting bolts.
4. Loose engine pulley, idler pulley, or
blade pulley.
4. Tighten the appropriate pulley.
5. Engine pulley is damaged.
5. Contact an Authorized Service Dealer.
There is an abnormal vibration.
6. Blade spindle is bent.
6. Contact an Authorized Service Dealer.
1. Blade(s) not sharp.
1. Sharpen the blade(s).
2. Cutting blade(s) is/are bent.
2. Install new cutting blade(s).
3. Mower deck is not level.
3. Level the mower deck side-to-side
position.
4. Mower deck pitch is wrong.
4. Adjust the front-to-rear pitch.
5. Underside of mower deck is dirty.
5. Clean the underside of the mower
deck.
6. Tire pressure is not correct.
6. Adjust the tire pressure.
The cutting height is uneven.
7. Blade spindle bent.
7. Contact an Authorized Service Dealer.
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Содержание GrandStand 74568TE
Страница 62: ...Schematics Hydraulic Schematic Rev A 62 ...
Страница 63: ...G015606 Electrical Schematic Rev A 63 ...
Страница 64: ...Notes 64 ...
Страница 65: ...Notes 65 ...
Страница 66: ...Notes 66 ...