![background image](http://html1.mh-extra.com/html/thermo-king/kd-ii-sr/kd-ii-sr_manual_1104410157.webp)
143
Mechanical Diagnosis
CONDITION
POSSIBLE CAUSE
REMEDY
Unit switch ON—nothing happens Dead battery
Recharge or replace battery
Remote switch off (optional)
Turn on
Circuit breaker open
Replace or reset
Corroded battery connections
Clean and tighten
Fusible link blown
Check for shorted main harness and
replace fusible link
Unit switch ON—indicator lights
come on but engine does not
crank
Battery low
Replace or recharge battery
Circuit breaker open
Turn OFF unit for 10 seconds
Starter solenoid defective
Repair or replace
Starter relay defective
Replace relay
Corroded battery connections
Clean and tighten
Starter clutch defective
Replace
Starter defective
Repair or replace
Starter switch defective
Replace
Engine cranks but FAILS to start
Misadjusted fuel solenoid linkage
Adjust
Fuel solenoid defective
Replace solenoid
No fuel or wrong fuel in tank
Fill fuel tank. After filling a
completely empty tank, first bleed
fuel system.
Engine too cold
Use winter preheat procedure
Glow plugs defective
Replace glow plugs
Air in fuel system
Bleed fuel system. During this
operation, it can also be determined
if the fuel lines are tight and filters
clean.
Speed/run relay malfunction
Check relay or unit thermostat
Insufficient compression
Measure compression pressure. If
necessary, grind valves or replace
piston
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...