TM 10-3930-659-20 7-12. TRANSMISSION THERMAL BYPASS VALVE PRESSURE TEST. This Task Covers:  Pressure Test Initial Setup: Equipment Conditions: Materials/Parts: • Parking brake set (see TM 10-3930-659-10). • Six preformed packings • Frame locking bar Installed (see TM 10-3930- 659-10). Personnel Required:  Two • Left engine upper sideshield opened (see TM 10-3930-659-10) References: • Left engine lower sideshield removed (see • TM 10-3930-659-10 paragraph 14-16). Tools/Test Equipment: • General mechanic's tool kit (Item 44, Appendix F) • Adapter (Item 3, Appendix F) • Coupler (Item 9, Appendix F) • Pressure gage (two) (Item 18, Appendix F) • Hose assembly (Item 20, Appendix F) • Plug (Item 26, Appendix F) • Union (Item 47, Appendix F) 7-35

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