Engine Troubleshooting Guide - Lincoln Electric CLASSIC 300 D Operator's Manual

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TROUBLE
1. Engine does not start
2. Irregular running of the engine
3. Engine stops during operation
and the Engine Protection light
does not turn on.
4. Engine stops during operation
and the Engine Protection light
does turn on.
5. White or Blue Smoke
6. Dark Grey Smoke
7. Faulty Charging
8. Starter Motor does not run
9. Engine Protection Light not
coming on (after the ignition
switch has been in the ON
position for more than 60
seconds with the engine
not started).
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
ENGINE TROUBLESHOOTING
CAUSES
Faulty Ignition switch and or Injector pump solenoid
Insufficient charging or complete discharge of the battery
Lack of fuel
Air mixed in the fuel system
Clogged fuel filter
Irregular and faulty fuel supply (Injector pump trouble)
Glow plug not heated
Improper viscosity of the lubricating oil
Clogged air cleaner
No compression
Engine protection light is ON
Air mixed in the fuel system
Uneven fuel injection (Faulty fuel injector pump)
Clogged fuel filter
Defective governor
Engine itself defective
Lack of fuel in the fuel tank
Clogged fuel filter
Air mixed in the fuel system
Faulty function of the engine
a. Overheat of the Engine
Lack of Coolant
Loose or slipping fan belt
Damaged fan belt
Clogged radiator
Clogged radiator fin
Dust or scale clogged in the cooling water passage
Faulty function of the thermostat
Lack of lubricating oil.
Overloading
Faulty Idler/Engine Protection P.C. Board
b. Loss of Engine Oil Pressure
Lack of engine oil
Fault in the Oil Pressure Switch
Oil leakage from the lubricating system
Clogged oil filter
Oil too light
Faulty Idler/Engine Protection P.C. Board
Excess engine oil
Too low viscosity of the engine oil
Faulty injection timing
Unsuitable fuel
Excess injection
Faulty function of the engine
Overloading
Clogged air cleaner
Loose fan belt
Faulty wiring
Faulty battery
Worn out alternator brush
Loose or damaged wiring
Drained voltage from battery
Damaged starter motor (including solenoid)
Broken Light Bulb
Faulty light wiring (to GND or P.C. Board)
Faulty Idler/Engine Protection P.C. Board
CAUTION
CLASSIC 300D
WHAT TO DO
Correct the connection and contact.
Charge.
Supply fuel.
Bleed air (To be done by qualified personnel only)
Replace.
Repair in an authorized service shop.
Breakage of the glow plug; replace.
Inspect and replace.
Clean or replace.
Repair in a service shop.
60 second start period elapsed, Turn ignition switch
OFF & ON - See #4 Below.
Bleed air (To be done by qualified personnel only)
Repair in an authorized service shop.
Replace.
Check and correct.
Repair in an authorized service shop.
Supply fuel and bleed air (To be done by qualified personnel only)
Replace.
Bleed air (To be done by qualified personnel only)
Repair in a service shop.
Supply coolant. Inspect leakage and correct.
Remove oil, dust, etc. and tighten.
Replace.
Flush the radiator.
Clean.
Flush the system.
Inspect or replace thermostat.
Add oil.
Decrease the load.
Replace.
Supply oil up to the specified level.
Replace the switch.
Inspect and retighten.
Replace with new one.
Drain and refill with proper grade.
Replace.
Inspect and correct the level.
Inspect and replace the oil with proper grade.
Repair in a service shop.
Inspect and replace with correct grade.
Inspect and adjust (in a service shop).
Repair in a service shop.
Reduce the load.
Clean.
Correct the tension.
Inspect and correct.
Repair.
Replace.
Inspect and tighten.
Charge the battery.
Repair in a service shop.
Replace the bulb.
Correct.
Replace.
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