TM 9-2320-289-207-10.REAR BRAKE LINES AND PROPORTIONING VALVE REPLACEMENT ANDADJUSTMENT.This task covers:a. Removalc. Valve Adjustmentb. InstallationINITIAL SETUP:Equipment ConditionMaterials/Parts• Rear of truck raised, frame supported by• Four Iockwashersjack stands (if removing or adjusting• One proportioning valve adjustmentproportioning valve, all except M1009).gageTools/Test Equipment• Torque wrenchCAUTION1.2.3.4.5.6.7.8.Plug all openings and connections immediately after disconnection toprevent contamination of brake system.NOTE• Use suitable container to catch brake fluid.• If removing brake lines from M1009, perform steps 1 and 3 through 6.• If removing brake lines from all except M1009, perform steps 1, 2, 4, 5,7, and 8.• If removing proportioning valve (7), perform steps 2 and 8 through 10.• If removing proportioning valve lever (8), perform steps 9 and 11.Disconnect fitting (1) from brake pipe (2). Remove 3 screws (4) and clips (3).Remove screw (11) and clip (10). Disconnect brake pipe (2) from proportioning valve (7) andremove. Inspect fittings for damage and replace as required.Remove retainer (31). Disconnect brake pipe (2) from hose (30) and remove. Inspect fittingsfor damage and replace as required.Bend clip (24) and remove right brake pipe (25) from hose (9 or 30) fitting. Disconnect rightbrake pipe from wheel cylinder fitting (23) and remove. Inspect fittings for damage and replaceas required.Repeat step 4 for left brake pipe as required.Remove screw (29) and hose (30). Remove bolt (33) and bracket (32) from differential (22)as required.Remove screw (26) and disconnect hose (9) from proportioning valve lever (8).Disconnect hose (9) from pipe (5) and remove. Loosen pipe fitting, remove retainer (6), anddisconnect pipe from proportioning valve (7).7-28
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business