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Mechanical Diagnosis (Rev 8/97)
123
Engine knocks heavily
Air in system
Bleed fuel system
Injection pump not timed
Retime injection pump
Wrong fuel
Change fuel
Compression too low
Overhaul engine
Injection nozzles fouled or opening
pressure too low
Clean, repair or replace injection
nozzles
Valve out of adjustment
Adjust valves
Fuel return line plugged
Remove return line restriction
Rod or main bearing worn
Replace rod or main bearings
Engine runs hot
Dirty radiator
Wash radiator
Coolant level is low
Add coolant
Cooling system heavily scaled
Clean cooling system
Cylinder head gasket leaks
Replace cylinder head gasket. Use
correct gasket
Faulty thermostat
Check or replace thermostat
Loose or worn water pump belt
Replace belt
Condenser shutters do not open
Adjust shutters or check power
element
Oil pressure too low or drops
suddenly. Minimum oil pressure
for a hot engine is 17 psi (107
kPa), the setting on the low oil
pressure switch
Insufficient oil in pan
Add oil
Oil relief valve sticking
Disassemble and clean oil pressure
regulator valve
Faulty oil pressure sensor
Check oil line to oil pressure sensor
to see if it is blocked. Check oil
pressure sensor. Replace if
necessary
Worn oil pump, camshaft, main or
connecting rod bearings, loose oil
gallery plug
Repair engine
CONDITION
POSSIBLE CAUSE
REMEDY
Summary of Contents for Super II SR+
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Page 22: ...Unit Description Rev 6 98 12 Front View AEA1350 ...
Page 23: ...Unit Description Rev 6 98 13 Right Side Door Open AEA1351 ...
Page 24: ...Unit Description Rev 6 98 14 Left Side Doors Open AEA1352 ...
Page 26: ...Operating Instructions Rev 6 98 16 Control Box Cover AEA1354 ...
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Page 42: ...Electronic Controls Rev 6 98 32 SOFTWARE REVISION 04XX ALARMS AEA1358 ...
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Page 141: ...131 Schematic Diagram SBIII SII RMNII 30 SR MPIV ...
Page 142: ...132 Wiring Diagram SII SBIII RMN30 SR MPIV Page 1 of 4 ...
Page 143: ...133 Wiring Diagram SII SBIII RMN30 SR MPIV Page 2 of 4 ...
Page 144: ...134 Wiring Diagram SII SBIII RMN30 SR MPIV Page 3 of 4 ...
Page 145: ...135 Wiring Diagram SII SBIII RMN30 SR MPIV page 4 of 4 ...