PMS 4500 FCB Manual - Ysebaert
PMS 4500 FCB Manual - Ysebaert
PMS 4500 FCB Manual - Ysebaert
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Troubleshooting<br />
DIESEL MOTOR FAILS TO START<br />
Cause<br />
Starter battery switched "OFF".<br />
Starter battery voltage insufficient (battery too weak).<br />
Starting current disrupted.<br />
Solution<br />
Check position of battery switch and switch "ON" (if<br />
installed).<br />
Inspect battery terminals and cables for a good electrical<br />
connection (Inspect against corrosion, tattered<br />
wires, etc.).<br />
During the normal starting process, the battery voltage<br />
drops to 11V with a fully charged battery. If the voltage<br />
does not drop during starting, the electrical connection<br />
is faulty. If the battery voltage drops lower than 11V,<br />
then the battery has been discharged.<br />
STARTER IS TURNING MOTOR, BUT FAILS TO START<br />
Cause<br />
Fuel inlet solenoid valve not opening.<br />
Fuel pump not working.<br />
Lack of fuel.<br />
Glow-plugs not working correctly.<br />
Too much air in fuel lines.<br />
Fuel-filter blocked.<br />
Solution<br />
Check wire connections and circuitry to solenoid valve.<br />
(ref. DC wiring diagram: Relay K2, Fuse)<br />
Check fuel-filter and pump: clean if necessary.<br />
Check fuel supply.<br />
Check glow plugs and heating time.<br />
Test fuel system for leakage. Bleed air from fuel system<br />
(refer to section "Bleeding Air from Fuel System").<br />
Replace fuel filter.<br />
MOTOR RUNS IRREGULARLY<br />
Cause<br />
Faulty centrifugal injector governor.<br />
Too much air in fuel lines.<br />
Solution<br />
Have the centrifugal governor inspected by a Farymann-Service<br />
technician.<br />
Bleed air from fuel system.<br />
Page II <strong>PMS</strong>_<strong>4500</strong>_<strong>FCB</strong>_manual.V02 - Chapter F: Tables 15.7.05
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