BRAKES_MR 46 13.6 REAR BRAKE ASSEMBLY : ITEM NO DESCRIPTION ITEM NO DESCRIPTION 01 BACKPLATE ASSEMBLY 12 CAP, BLEED SCREW 02 LINED SHOE ASSY - LEADING 13 PROTECTIVE PLUG 03 LINED SHOE ASSY - TRAILING 14 PIN, SHOE HOLD DOWN 04 ADJUSTER ASSEMBLY 15 P-CLIP 05 WHEEL CYLINDER BODY 16 LEVER, PAWL 06 PLUNGER ASSEMBLY 17 SPRING, ADJUSTER 07 PIN 18 SPRING, SHOE RETURN W/CYL END 08 SEAL 19 SPRING, SHOE RETURN ABUTMENT END 09 SPRING W/CYL 20 SCREW, W/CYL MOUNTING 10 DUST COVER 21 GROMMET, LINING INSPECTION & ADJUSTER HOLE 11 BLEED SCREW 22 CLIP INTRODUCTION: This brake is designed for use on rear wheels and is equally efficient in both directions of rotation. A mechanical lever mechanism is incorporated for normal hand brake operation. The feature of this brake is the automatic adjustment of the brake shoes takes place when the foot brake is applied. The leading and trailing shoes are connected at one end by a twin-piston wheel cylinder and an adjuster assembly. The adjuster assembly consists of a male and female push rod with an adjuster nut operated by a pawl. Coupled on the trailing shoe is a hand brake lever, which pivots on a pin at the wheel cylinder end of the shoe. A spring dowel fitted at the leading shoe provides a pivot for the pawl, which is restrained in position by a spring attached in the web. The hand brake cable passes through a hole in the back plate assembly (6), and the nipple fits in the end of the hand brake lever. When the hand brake is applied, the cable pulls the lever and this movement is transferred via the adjuster assembly (4) to the shoes, which move outwards onto the drum.
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