Cub Cadet 1782 Owner's Manual page 36

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TROUBLE SHOOTING
Possible Cause
Air cleaner element is dirty.
Fuel injection pressure is incorrect
Injection pump wear.
Possible Remedy
Clean or replace with new element every 100 hours of
operation.
Adjust to proper pressure of 1991 psi (140 kgf/cm2 13.7
MPa).*
*(Do not use poor quality fuel for it will cause wear of the
pump. Only use No. 2 D diesel fuel. Check the fuel
injection pump element and delivery valve assembly and
replace as necessary.)
WHEN ENGINE SUDDENLY STOPS
Fuel leak..
Bad nozzle.
Moving parts are overheated due to shortage of
lube oil or improper lubrication.
Check the fuel level in tank and refill if necessary. Also
check the fuel system for air or leaks.
If necessary, replace with a new nozzle.*
Check engine level. Check to see if element inside the
lubricating oil filter has become old and clogged. If
necessary, replace with new element.
WHEN COLOR OF EXHAUST IS ESPECIALLY BAD
NOTE: When engine is operating properly, the exhaust is nearly colorless.
Fuel governing device bad . Contact dealer for repairs.*
Fuel is of extremely poor quality. Select good quality fuel oil. No. 2-D diesel only.
Nozzle is bad. If necessary replace with new nozzle*
Combustion is incomplete. Cause is poor atomization, improper injection timing, etc.
because of trouble in injection system or in poor valve
adjustment, or compression leakage, poor compression,
etc. Check for the cause.*
ENGINE MUST BE STOPPED IMMEDIATELY IF ANY ONE OF THE
FOLLOWING CONDITIONS APPLY
Speed suddenly decreases or increases . Check the adjustments and timing of injection and fuel
system.*
Unusual sound is heard suddenly. Check all moving parts carefully.
Color of exhaust suddenly turns dark. Check the fuel injection system, especially the fuel injec¬
tion nozzle.*
Bearing parts are overheated... Check the oil level.
Oil lamp lights up during operation. Check oil level. Check the function of the regulating
valve inside of oil filter.* Check pressure switch.* Check
filter base gasket for leaks.
*See your authorized dealer.
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