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Mechanical Diagnosis (Rev. 04/03)
146
Engine knocks
Insufficient air
Clean air filter
Air in fuel system
Bleed fuel system
Engine is cold
Warm up
Fuel return line plugged
Remove restriction
Injection pump not timed
Retime injection pump
Injection nozzle fouled or opening
pressure too low
Clean, repair or replace injection
nozzle
Dirty radiator
Clean radiator
Worn engine parts
Overhaul engine
Engine runs hot
Engine coolant is low
Add coolant slowly while engine is in
operation
Dirty or plugged radiator
Clean radiator
Cooling system heavily scaled
Clean cooling system
Water pump leaks
Repair or replace water pump
Worn or loose belt
Replace belt or adjust
Cylinder head gasket leaks (bubbles
appear in radiator if cylinder gasket
is leaking)
Replace cylinder head gasket.
Correct gasket
Faulty thermostat
Check or replace the thermostat
Faulty temperature gauge
Replace gauge
Oil pressure too low or drops
suddenly
Insufficient oil in pan
Refill oil base after correcting cause
of loss
Leak in oil line
Tighten oil line fittings
Oil relief valve sticking
Disassemble and clean oil pressure
regulator valve
Faulty oil pressure gauge
Check oil line to oil pressure gauge
to see if it is blocked. Check oil
pressure gauge. Replace if
necessary
CONDITION
POSSIBLE CAUSE
REMEDY
Summary of Contents for KD-II SR
Page 4: ......
Page 8: ......
Page 13: ...Safety Precautions Rev 04 03 v AEA40...
Page 14: ...Safety Precautions Rev 04 03 vi AEA38...
Page 33: ...Unit Description Rev 04 03 19 1 Evaporator 2 Access Door Rear View Curbside KD II SR 1 2 AEA38...
Page 37: ...Unit Description Rev 04 03 23 Power Receptacle Box KD II SR 50 AEA42...
Page 58: ...Remote Control Panel Features Rev 04 03 44...
Page 112: ...Refrigeration Maintenance Rev 04 03 98...
Page 120: ...106...
Page 146: ...132...
Page 156: ...142...
Page 162: ...148...
Page 170: ...156...
Page 172: ...158...
Page 173: ...159 KD II 30 Schematic Diagram Page 1 of 2...
Page 174: ...160 KD II 30 Schematic Diagram Page 2 of 2...
Page 175: ...161 KD II 30 Wiring Diagram Page 1 of 2...
Page 176: ...162 KD II 30 Wiring Diagram Page 2 of 2...
Page 177: ...163 KD II 50 Schematic Diagram Page 1 of 2...
Page 178: ...164 KD II 50 Schematic Diagram Page 2 of 2...
Page 179: ...165 KD II 50 Wiring Diagram Page 1 of 2...
Page 180: ...166 KD II 50 Wiring Diagram Page 2 of 2...
Page 181: ...167 KD II 50 SR 230 1 60 Wiring Diagram Page 1 of 2...
Page 182: ...168 KD II 50 SR 230 1 60 Wiring Diagram Page 2 of 2...