Thermo King 914970, Manual

Page: 123 / 186

Refrigeration Maintenance
123
8. Gauges will remain in this position
(approximately 30 to 50 psig [207 to
345 kPa]) if the three-way valve seals
properly toward the condenser and the
condenser pressure bypass check valve seals
properly.
9. Back seat condenser pressure bypass check
valve stem against snap ring. Both gauges
should rise indicating the condenser pressure
bypass check valve is properly releasing
condenser pressure into the discharge tube and
evaporator.
10. Replace the cap on the condenser pressure
bypass check valve.
NOTE: Valve stem MUST be back seated
during normal unit operation.
11. Open the receiver tank return outlet valve,
remove the gauges and return the unit to
normal operation.