2.23.6 Master Cylinder and Brake Line Maintenance.

Figure 2-173. Master Cylinder and Brake Line Maintenamce.

TM-10-4320-344-24 Pump Assembly Water 600 GPM Model 609-A (NSN 4320-01-184-7494) Model 609-C (NSN 4320-01-261-6470) Model US636HCCD-1 Manual
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TM 10-4320-344-24 2.23.6 Master Cylinder and Brake Line Maintenance. This task covers: 2.23.6.1 Disassembly 2.23.6.3 Assembly 2 . 23 . 6 . 2 R e p a ir INITIAL SETUP Tools Equipment Conditions General Mechanic’s Automotive Pumping station shut down, TM 10-4320- Tool Kit, Appendix B, Section 344-10. III, Item 1 Tongue Jack and Tripod Assembly removed, Flaring Tool, Appendix B, Section III, paragraph 2.23.3 (US636HCCD-1). Item 2 General Safety Instructions Tube Bender, Appendix B, Section III, Item 2 Do not work on equipment that is not securely stabilized to prevent rolling Material/Parts o r s l i d i n g . Brake Fluid, Appendix C, Item 4 Do not work on equipment without follow- Pan, Appendix C, Item 19 ing standard shop safety practices. Rags, Appendix C, Item 20 This procedure applies to Model 609-A. The procedures for Models 609-C and US636HCCD-1 are similar. 2.23.6.1 Disassembly. Do not work on equipment that is not securely stabilized to prevent rolling or sliding. Ensure both wheels of equipment have chocks that are secure. a. b . c . d . e . f . g . h. Failure to obey this warning may result in serious personal injury. Place pan beneath master cylinder (Figure 2-173, 1). Disconnect metal brake line (2) from rear of master cylinder (1) and drain brake fluid into pan. Properly discard brake fluid in accordance with standing operating procedures. Remove two nuts (3), bolts (4), four spacers (5), wiring harness clamp (6), and master cylinder (1) from trailer (7). Remove four mounting screws (8) and brake line mounting clamps (9) from t r a i l e r ( 7 ) . Disconnect and remove metal brake line (2) from rubber brake line (10). Remove retaining clip (11) and rubber brake line (10) from mounting bracket (12) and disconnect and remove rubber brake line (10) from tee fitting (13) on a x l e ( 1 4 ). Disconnect metal brake line (15) from backing plate (16) on right side wheel and tire assembly (17). Disconnect other end of metal brake line (15) from tee fitting (13) and remove metal brake line (15). 2-388 NOTE

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