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Centinel System – Repair Manual – 200-003   Flow Diagram, Cooling System

Flow Diagram

 TOC

Automotive, Industrial with CM570 and Power Generation without CM570

SMALL | MEDIUM | LARGE

  1. Coolant inlet
  2. Coolant flow from coolant filter
  3. Coolant bypass flow from thermostat
  4. Coolant flow to water pump
  5. Coolant flow from water pump
  6. Coolant flow past oil cooler
  7. Coolant flow to cylinder head.

SMALL | MEDIUM | LARGE
Single Thermostat

  1. Coolant flow through cylinder head
  2. Coolant flow from cylinder head to thermostat housing
  3. Thermostat
  4. Bypass open
  5. Coolant flow through thermostat housing to bypass passage
  6. Coolant bypass passage
  7. Coolant bypass flow to water pump
  8. Coolant flow to water pump
  9. Bypass closed
  10. Coolant flow to radiator
  11. Coolant flow from radiator.

SMALL | MEDIUM | LARGE
Dual Thermostat

  1. Coolant flow from cylinder block to cylinder head
  2. Coolant flow from cylinder head to thermostat housing
  3. Coolant flow to radiator
  4. Coolant bypass passage
  5. Coolant bypass flow to water pump
  6. Coolant bypass flow to water pump
  7. Thermostats.

Automotive with CM870

SMALL | MEDIUM | LARGE

  1. Coolant inlet
  2. Coolant flow from coolant filter
  3. Coolant bypass flow from thermostat
  4. Coolant flow to water pump
  5. Coolant flow from water pump
  6. Coolant flow past lubricating oil cooler
  7. Coolant flow to cylinder head.
  8. Lubricating oil cooler housing
  9. Coolant supply to EGR valve body
  10. Coolant flow around EGR valve
  11. EGR valve coolant return to thermostat housing
  12. EGR cooler coolant supply from cylinder block
  13. Coolant flow through EGR cooler
  14. EGR cooler coolant return to thermostat housing
  15. Thermostat housing
  16. Coolant supply to turbocharger
  17. Coolant return from turbocharger.

SMALL | MEDIUM | LARGE
Single Thermostat

  1. Coolant flow through cylinder head
  2. Coolant flow from cylinder head to thermostat housing
  3. Thermostat
  4. Bypass open
  5. Coolant flow through thermostat housing to bypass passage
  6. Coolant bypass passage
  7. Coolant bypass flow to water pump
  8. Coolant flow to water pump
  9. Bypass closed
  10. Coolant flow to radiator
  11. Coolant flow from radiator.

Automotive With CM871

SMALL | MEDIUM | LARGE

  1. Coolant supply to EGR cooler
  2. Coolant flow through EGR cooler
  3. Coolant return to block
  4. Lubricating oil cooler housing
  5. Coolant flow to turbocharger
  6. Coolant flow to turbocharger bearing housing
  7. Coolant flow to actuator valve
  8. Coolant flow from actuator valve to thermostat housing
  9. Coolant flow from turbocharger bearing housing to thermostat housing
  10. Thermostat housing
  11. EGR cooler coolant vent line

SMALL | MEDIUM | LARGE

  1. Coolant inlet
  2. Coolant flow from coolant filter
  3. Coolant flow to water pump
  4. Coolant bypass flow to water pump
  5. Coolant flow from water pump
  6. Coolant flow past oil cooler
  7. Coolant flow around cylinder liners
  8. Coolant flow to cylinder head.

Single Thermostat

SMALL | MEDIUM | LARGE

  1. Coolant flow through cylinder head
  2. Coolant flow from cylinder head to thermostat housing
  3. Thermostat
  4. Bypass open
  5. Coolant flow through thermostat housing to bypass passage
  6. Coolant bypass passage
  7. Coolant bypass flow to water pump
  8. Coolant flow to water pump
  9. Bypass closed
  10. Coolant flow to radiator
  11. Coolant flow from radiator.
Last Modified:  07-Feb-2008
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