Thermo King KD-II SR, Manual

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Mechanical Diagnosis (Rev. 04/03)
145
Engine does not reach full power
(continued) Leaking injection nozzle or irregular
injection caused by fouling
Clean and repair nozzle
Insufficient compression pressure
due to faulty piston or valves
Check cylinder with compression
tester. if necessary, grind valves or
replace piston
Air filter clogged Clean air filter
Fuel tank vent clogged Unclog vent
Injection rate too low Adjust pump discharge rate
Insufficient injection pressure Readjust or replace nozzle
Pump injects too early or too late Adjust injection pump timing
Air in fuel system Bleed fuel system
Air is drawn into fuel pump Check all fuel lines and fittings
Loose governor assembly Check and repair governor
assembly
Restricted exhaust system Clean or replace restricted parts
Engine is sooting heavily, emits
thick black clouds of smoke
(excessive fuel to air ratio) Wrong fuel Drain and refill with correct fuel
Clogged air intake system Clean air cleaner
Restricted exhaust system Clean or replace
Opening pressure of nozzle is
too low or needle sticks
Repair nozzle. Replace if necessary
Injection amount too great Have pump repaired
Oil being drawn in Check oil level in oil bath air filter
Injection pump too timed Check timing of injection pump
Excessive load Check drive system and engine oil
pressure
CONDITION POSSIBLE CAUSE REMEDY