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ASSEMBLY (1) Lubricate and install new O–rings on brake piston. Then install brake piston in drum. (2) Install return springs and retainer on brake piston. (3) Compress return springs with shop press and Compressor Tool 7538. Install piston snap ring and (4) Check brake piston operation with low pres- sure compressed air (Fig. 285). Apply air pressure (5) Coat thrust washer with petroleum jelly and install it in drum. Be sure washer notches are Fig. 283 Removing/Installing Piston And Sleeve 1 – PISTON AND SLEEVE Fig. 284 Measuring Second Brake Piston Return Springs 1 – PISTON RETURN SPRINGS Fig. 285 Checking Second Brake Piston Operation 1 – PISTON Fig. 286 Installing Second Brake Thrust Washer 1 – THRUST WASHER NOTCHES 21 - 328 AW–4 AUTOMATIC TRANSMISSION XJ DISASSEMBLY AND ASSEMBLY (Continued) |