Intercooler Relief Valves; Shutdowns - Atlas Copco PTS 916 Cd Instruction Manual

5.10 Intercooler relief valves

Test the two intercooler relief valves (1), which are
!
fitted on the MP air inlet pipe, statically on a
compressed air line at least once a year.
1
2
3
4
5
1 Valve housing
2 Spring
3 Valve
4 Valve seat
5 Washer, copper
The valves should open at a pressure as specified in the chapter
Technical specifications.
If the valves open too soon: remove a washer, if installed, between
valve seat (4) and housing (1) or add a washer between spring (2)
and housing.
If the valves open too late: remove a washer, if installed, between
spring and housing or add a washer between valve seat and
housing.
Preliminary
1

5.11 Shutdowns

The unit comprises several shutdown sensors:
– Engine shutdowns (by ECM):
• Engine Coolant Level Sensor Failure
• Engine Coolant Temp. Sensor Failure
• Engine Oil Temperature Sensor Failure
• Engine Fuel Temperature Sensor Failure
• Engine Air Inlet Temp. Sensor Failure
• Engine Turbo Boost Press. Sensor Failure
• Engine Oil Pressure Sensor Failure
• Engine Fuel Pressure Sensor Failure
• Engine Coolant Level Low
• Engine Coolant Temperature Too High
• Engine Air Inlet Temperature High
• Engine Oil Pressure Too Low
• Turbo Boost Pressure High
• Engine Fuel Pressure Too Low
• Engine Injector X Failure
• Fuel Temperature Too High
• Engine RPM Sensor Failure
– Fuel level shutdown
– Engine oil level shutdown (switch)
– Engine oil level overfill shutdown (switch)
– LP element temperature shutdown
– MP element temperature shutdown
– Compressor oil pressure shutdown
– Apparatus shutdown:
• Air discharge pressure sensor
• LP element temperature sensor
• MP element temperature sensor
• Loaded solenoid valve output
• ECM communication link
• CAN communication link
Instruction manual
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