CASE CONSTRUCTION CX75C SR, Operator'S Manual

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7 - TROUBLESHOOTING
7 - TROUBLESHOOTING ###_8_###
FAULT CODE RESOLUTION
Engine troubleshooting
NOTE: this chapter shows how to easily diagnose problems relating to the engine and describes the solutions to be
adopted. If you are unable to determine the cause of the failure, or if the latter is difficult to rectify, consult your CASE
CONSTRUCTION Dealer.
PROBLEM POSSIBLE CAUSE SOLUTION
Battery is running out Charge or replace
Disconnection, looseness, or
corrosion of the battery terminals Repair the corroded area, and then
tighten securely
Starter ground wire terminal
detached, loose, or corroded
Repair the corroded area, and then
tighten securely
Engine oil viscosity is too high
Replace it with oil with appropriate
viscosity
Engine does not start. Starter does
not rotate or rotation is weak
Starter or electrical system faulty
Consult your CASE CONSTRUCTION
Dealer
No fuel in fuel tank
Check that there is no fuel leakage
and refuel
Air intrusion in the fuel system
Remove the air
Clogging of the fuel filter
Remove moisture and replace the
element
Fuel is frozen
Warm up the fuel pipe with hot water,
or wait until the air temperature rises
Failure of the supply pump
Consult your CASE CONSTRUCTION
Dealer
Clogging of the supply pump strainer Clean the strainer
Failure of the engine control system
Preheating system faulty
Consult your CASE CONSTRUCTION
Dealer
Engine does not start. Starter turns
over
Overflow valve remains open
Clean or replace the supply pump, fuel
filter or fuel port overflow valve
Clogging of the fuel filter
Remove moisture and replace the
element
Clogging of the pre-fuel filter
Clean or replace the element
Failure of the engine control system
Consult your CASE CONSTRUCTION
Dealer
Clogging of the air cleaner Clean or replace the element
Failure of the supply pump
Consult your CASE CONSTRUCTION
Dealer
The engine starts, but stops
immediately
Clogging of the supply pump strainer Clean the strainer
Failure of the fuel system
Consult your CASE CONSTRUCTION
Dealer
Water or air intrusion in the fuel
system
Remove the air
Engine revolution is unstable
Failure of the engine control system
Consult your CASE CONSTRUCTION
Dealer
Engine rotation does not increase Clogging of the fuel filter
Remove moisture and replace the
element
Insufficient warming-up Perform warming-up
Too much engine oil Adjust to the appropriate oil amount
Failure of the engine control system
Failure of the supply pump
Failure of the fuel system
Consult your CASE CONSTRUCTION
Dealer
The exhaust smoke is white
Continuous idling for a long period
(more than two hours) Raise the engine speed and confirm
that white smoke is not emitted
7-1