Troubleshooting
47
PROBLEM
CORRECTIVE ACTION
POSSIBLE CAUSES
The engine runs, but knocks or
misses (continued).
3.
There is air in the fuel.
3.
Bleed nozzles and check for
air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
4.
The injection nozzles are
faulty.
4.
Contact your Authorized
Service Dealer.
5.
Low compression
5.
Contact your Authorized
Service Dealer.
6.
The injection pump timing is
incorrect.
6.
Contact your Authorized
Service Dealer.
7.
Excessive carbon build–up.
7.
Contact your Authorized
Service Dealer.
8.
Internal wear or damage.
8.
Contact your Authorized
Service Dealer.
The engine will not idle.
1.
The fuel tank vent is
restricted.
1.
Contact your Authorized
Service Dealer.
2.
Dirt, water, stale fuel, or
incorrect fuel is in the fuel
system.
2.
Drain and flush the fuel
system; add fresh fuel.
3.
The idle speed adjusting
screw is incorrectly set.
3.
Contact your Authorized
Service Dealer.
4.
The fuel pump is faulty.
4.
Contact your Authorized
Service Dealer.
5.
Low compression.
5.
Contact your Authorized
Service Dealer.
6.
The air cleaner element is
dirty.
6.
Clean or replace.
7.
The fuel filter is clogged.
7.
Replace the fuel filter.
8.
There is air in the fuel.
8.
Bleed the nozzles and check
for air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
The engine overheats.
1.
More coolant is needed.
1.
Check and add coolant.
2.
(3) air intake screens are
dirty.
2.
Clean with every use.
3.
Restricted air flow to the
radiator.
3.
Inspect and clean the radiator
screen with every use.
4.
The crankcase oil level is
incorrect.
4.
Fill or drain to the full mark.
5.
Excessive loading.
5.
Reduce load; use lower
ground speed.
Summary of Contents for 73551
Page 7: ...Safety 5 Slope Chart Read all safety instructions on pages 2 4 ...
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