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TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download

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This task covers: a. Differential Valve Removal c. Proportioning Valve Removal b. Differential Valve Installation d. Proportioning Valve Installation INITIAL SETUP:) TB 9-2320-335-13&P 7-24 7-10. PROPORTIONING VALVE AND DIFFERENTIAL VALVE REPLACEMENT CAUTION • Cover or plug all open lines and connections immediately after disconnection to prevent contamination. Remove all covers or plugs prior to connection. • Do not attempt to disassemble proportioning valve. Damage to equipment will result. NOTE Have drainage container ready to catch brake fluid. 1. Disconnect electrical connector (2) from differential valve (4). 2. Disconnect two brake lines (3) from differential valve (4). 3. Disconnect two brake lines (5) from differential valve (4). 4. Remove locknut (6), washer (7), and differential valve (4) with differential valve bracket (8) from hydro-boost (1). Discard locknut (6). 1. Install differential valve (4) and differential valve bracket (8) on hydro-boost (1) with washer (7) and locknut (6). Tighten locknut (6) to 22 lb-ft (30 N•m). 2. Connect two brake lines (5) to bottom of differential valve (4). 3. Connect two brake lines (3) to top of differential valve (4). 4. Apply lubricating oil to pins (9) of differential valve (4). 5. Connect electrical connector (2) to differential valve (4). 1. Disconnect two brake lines (17) from proportioning valve (16). 2. Disconnect two brake lines (15) from proportioning valve (16). 3. Remove locknut (14), washer (13), screw (11), and proportioning valve (16) with proportioning valve bracket (12) from bracket (10). Discard locknut (14). c. Proportioning Valve Removal b. Differential Valve Installation a. Differential Valve Removal Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Locknut (Appendix A, Item 78) Locknut (Appendix A, Item 106) Lubricating oil (Appendix C, Item 46) Manual References TM 9-2320-387-10 TM 9-2320-387-24-1 TM 9-2320-387-24P Equipment Condition • Battery ground cables disconnected (TM 9-2320-387-24-1). • Hood raised and secured (TM 9-2320-387-10). Maintenance Level Unit