5. BRAKE SYSTEM
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5. BRAKE SYSTEM
Model
FB10-7 FB15-7 FB20-7 FB25-7
FB30-7
FB18-7 FB25-7LB FB25-7V
FB30-7V
Item FB35-7S
Type Front two wheel braking, internal expansion, hydraulic type
Pedal ratio 6.2
←
←
Master cylinder bore 19.05 mm [0.75 in.]
←
←
Wheel brake
Type Duo-servo type
←
←
Wheel cylinder bore 22.22 mm [0.875 in.] 25.4 mm [1 in.] 28.58 mm [1.125 in.]
Brake drum inner dia. 254 mm [10 in.] 279.4 mm [in.] 314 mm [12.36 in.]
Lining size 279 x 48.5 x 5 mm 301.8 x 55 x 5.1 mm 348 x 76 x 8.0 mm
[10.98 x 1.91 x 0.20 in.] [11.88 x 2.2 x 0.2 in.] [13.7 x 3.0 x 0.31 in.]
Surface area 4 x 13530 mm
2
4 x 33200 mm
2
4 x 26400 mm
2
[4 x 30 in.
2
] [4 x 51.5 in.
2
] [4 x 40.9 in
2
]
Parking brake
Type Front two wheel braking, internal expansion, mechanical type
5.1 GENERAL DESCRIPTION
The brake system is a front two wheel braking, internal expansion, hydraulic type consisting of a
brake pedal, a master cylinder and wheel brakes.
5.1.1 BRAKE PEDAL
The brake pedal is installed through a bracket to
the frame as shown in Fig. 5.1.
Pedal movement pushes the piston of the master
cylinder by means of the push rod, which converts
pedal effort into hydraulic pressure.
Fig. 5.1 Brake Pedal
MASTER CYLINDER
BRAKE PEDAL
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