4-20. TUBING AND FITTINGS.

Section VI. PREPARATION FOR STORAGE OR SHIPMENT - TM-5-4310-393-14_99

TM-5-4310-393-14 Air Compressor Diesel Engine Driven 20 CFM 3200 PSI Model KA7-DA Manual
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TM 5-4310-393-14 Pressure Purged From System A Check. 1. Checking the Interstage Pressure Readings. a. Remove dust from test port connectors with a lint-free cloth. b. Remove tube plugs and install appropriate pressure gauges in test ports. c. Operate the unit and observe pressure readings should be approximately 56 psi (4 bar) at first stage, 50b0 psi (35 bar) at 2nd stage. d. If pressures are incorrect refer to Unit Troubleshooting Section IV B Install. 1. Installing the Tube Plugs. a. Remove test gauges and reinstall tube plugs. C Test. 1. Testing the Interstage Connections. a. Leak test with detergent/water solution . 4-20. TUBING AND FITTINGS. This task covers: A. Replace B Test Tools: Materials/Parts: Cloth, Lint-free NSN 7920-00-044-9281 Detergent, Non-ionic NSN 7930-00-282-9699 Tape, Teflon NSN 8030-00- 889-3534 Water, Distilled NSN 6810-00-297-9540 Equipment Conditions: Unit Shut Down Pressure Purged From System A Replace 1. Replacing Tubing and Fittings. a. Remove dust with lint-free cloth from tube connections. b. Unscrew tube nuts/fittings of defective tube. c. Install new tube or fittings, use Teflon tape on pipe threads. B. Test. 1. Testing Tube Connections a. Leak test with detergent/water solution. 4-32

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