TM 10-4320-344-242.23.7 Brake Actuator Maintenance. Models 609-A and 609-C.This task covers:2.23.7.1 Removal2.23.7.4 Assembly2.23.7.2 Disassembly2 .23 . 7 . 5 I n s t a l l a t i on2 .23 . 7 . 3 R e p a irINITIALSETUPToolsEquipment ConditionsGeneral Mechanic’s AutomotivePumping station shut down, TM 10-4320-Tool Kit, Appendix B, Section344-10.I I I , I t e m 1--General Safety InstructionsGoggles, Appendix B, Section III,Do not work on equipment that is notMaterial/Partssecurely stabilized to prevent rollingo r s l i d i n g.Gloves, Appendix C, Item 11Do not work on equipment without follow-Rags, Appendix C, Item 20ing standard shop safety practices.Solvent, Dry Cleaning, Appendix C,Item 26Rivet (TM 10-4320-344-24PThis procedure applies to Model 609-A. The procedure for Model 609-C iss i m i l a r .2.23.7.1 Removal.a .Remove nut (Figure 2-174,1) and screw (2) that secure shock absorber (3) torear of brake actuator housing (4).b .Remove eight connecting link mounting nuts (5), four connecting links (6),four coupler assembly mounting studs (7), and eight bushings (8).c .Remove nut (9), screw (10), and breakaway lever (11).d.Remove chain (12) from breakaway lever (11).e .Remove coupler assembly (13) from brake actuator housing (4).2.23.7.2 Disassembly.a .R e m o v e n u t ( 1 4 ) , s c r e w ( 1 5 ) , a n d s h o c k a b s o r b e r ( 3 ) f r o m c o u p l erassembly (13).b .Remove rivet (16), pushrod (17), spring (18), and pushrod washer (19) fromcoupler assembly (13).2-391I t e m 2NOTE
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