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BRAKES
2
7.2 TECHNICAL SPECIFICATIONS
Applicable to all models (1.3 QUADRAJET and 1.2 REVOTRON) BOLT and ZEST.
SPECIFICATIONS
FRONT
REAR
Brake Type
Disc Brakes with single pot
floating type caliper
Leading and Trailing Drum Brakes
with auto adjuster
Brake Details
Caliper piston dia. = 54mm
Drum Size = 200 X 30 mm(BOLT /
ZEST)
Disc diameter = 254 mm
Drum inside dia. = 200 mm
Disc thickness = 22 mm
Max. rebore dia. = 202 mm
Discard thickness = 20 mm
Out of round = 0.04 mm Wheel
Cylinder dia. =19.05 mm
Lateral run - out = 0.03 mm
Disc Thickness variation (max)
Radial = 0.03 mm
Circumferential = 0.01 mm
Brake lining area
94 cm² per brake (BOLT / ZEST) 115.2 cm² per brake(BOLT /ZEST)
192x30x4.5 (BOLT / ZEST)
Type of lining
Moulded - Asbestos Free
Moulded - Asbestos Free (Bonded
Lining
Replacement service limits for
pad/lining
Brake pads should be replaced
when it’s thickness reaches
below 6 mm
Up to 1mm of liner thickness from
shoe- rim surface is permissible
Parking Brakes
Not Applicable
Lever type, cable operated
mechanical linkages acting on rear
wheels
Tandem Master
Type = Fixed Seal
Cylinder (TMC) details
Size = 19.05 mm dia Material = Aluminum Finish = Anodized
Stroke = 38 mm (Primary : 19mm and Secondary : 19mm) Circuit =
Diagonal split (Primary to FL & RR)
(Secondary to FR & RL)
Vacuum Servo details
Type = Light shell compact
Size = 10 inch
Boost Ratio = 7 : 1
Brake Pedal Details Free Play = 8 mm Height = 200 mm Stroke = 120
mm
Brake Fluid Details
Type: DOT4 confirming to SAE J1704