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MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
(4) Remove the four mounting bolts of compressor by using fork wrench or
universal tool.
(5) Remove the compressor.
(6) Install new compressor and new filter dryer and weld them. The open
time of system shall not be more than 10 min.
(7) Connect the R134a recovery unit to the low sideline of the compressor,
and then evacuate. The evacuation time shall not be less than 45 min.
(8) Fill system with R134a according to its original quantity.
(9) Check if there is any leakage at welded point by using soapsuds.
(10)
Use clean gauze to wipe away welding powder and flux.
(11)
Connect the electrical controlling unit of compressor.
(12)
Mount and adjust temperature controller.
(13)
Switch on power for test run, check unit operation.
12.3.5 Compressor installation and brazing procedures
(1) Install new compressor.
(2) Compressor is not allowed to suck in air directly for check or other test.
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