Toro Dingo 320-D, Operator'S Manual

Page: 43 / 48

Problem Possible Cause Corrective Action
1. More coolant is needed. 1. Check and add coolant.
2. There is restricted air flow to the
radiator.
2. Inspect and clean the radiator screen
with every use.
3. The crankcase-oil level is incorrect. 3. Fill or drain to the Full mark.
4. The engine load is excessive. 4. Reduce the load; use a lower ground
speed.
5. Incorrect fuel is in the fuel system. 5. Drain and flush the fuel system; add
fresh fuel.
6. The thermostat is damaged. 6. Contact your Authorized Service
Dealer.
7. The fan belt is loose or broken. 7. Contact your Authorized Service
Dealer.
8. Injection timing is incorrect. 8. Contact your Authorized Service
Dealer.
9. The coolant pump is damaged. 9. Contact your Authorized Service
Dealer.
The engine overheats.
10. The engine rpm is too low.
10. Check the high idle speed.
1. The engine load is excessive. 1. Reduce the load; use a lower ground
speed.
2. The crankcase-oil level is incorrect. 2. Fill or drain to the Full mark.
3. The air-cleaner filters are dirty. 3. Service the air filters.
4. Dirt, water, stale fuel, or incorrect fuel
is in the fuel system.
4. Drain and flush the fuel system; add
fresh fuel.
5. The engine is overheating. 5. Refer to “The engine overheats.”
6. The spark-arrestor screen is clogged. 6. Clean or replace the spark-arrestor
screen.
7. There is air in the fuel. 7. Bleed the nozzles and check for air
leaks at fuel hose connections and
fittings between the fuel tank and
engine.
8. There is low compression
8. Contact your Authorized Service
Dealer.
9. The fuel-tank vent is restricted. 9. Contact your Authorized Service
Dealer.
10. The injection-pump timing is incorrect. 10. Contact your Authorized Service
Dealer.
11. The injection pump is damaged. 11. Contact your Authorized Service
Dealer.
The engine loses power.
12. The engine high idle speed is too low. 12. Contact your Authorized Service
Dealer.
1. The engine load is excessive. 1. Reduce the load; use a lower ground
speed.
2. The air-cleaner filters are dirty. 2. Service the air filters.
3. Incorrect fuel is in the fuel system. 3. Drain and flush the fuel system; add
fresh fuel.
4. The injection-pump timing is incorrect. 4. Contact your Authorized Service
Dealer.
5. The injection pump is damaged. 5. Contact your Authorized Service
Dealer.
Exhaust produces excessive black smoke.
6. The injection nozzles are damaged. 6. Contact your Authorized Service
Dealer.
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