ISUZU TFS SERIES 1997 Workshop Manual

BRAKES 5-3
GENERAL DESCRIPTION
FRONT DISC BRAKE
REAR DRUM BRAKE

5-4 BRAKES
REAR WHEEL CYLINDER
BLEND PROPORTIONING VALVE

BRAKES 5-5
LOAD SENSING PROPORTIONING VALVE (LSPV)

5-6 BRAKES
PIPING DIAGRAM (MODEL WITH BLEND PROPORTIONING VALVE)
PIPING DIAGRAM (MODEL WITH LSPV)

BRAKES 5-7
VACUUM SERVO WITH MASTER CYLINDER (Except Australia)
VACUUM SERVO WITH MASTER CYLINDER (For Australia)

5-8 BRAKES
MAIN DATA AND SPECIFICATIONS
FRONT DISC BRAKE mm(in.)
Caliper type Pin slide
Disc outside diameter 257 (10.118)
Disc thickness 22 (0.866)
Piston diameter 60.33 (2.375)
Adjustment method Self-adjusting
REAR DRUM BRAKE mm(in.) 4 2 4 4
Type Leading and Trailing
Drum inside diameter 254(10.008) 295 (11.614)
Brake lining dimension 221 50 5 283 45 4
(Length Width Thickness) (8.71 1.97 0.20) (11.14 1.77 0.16)
Adjustment method Self-adjusting
WHEEL CYLINDER mm(in.)
Inside diameter : rear
Europe and South Africa 25.40 (1.000)
Others 22.22 (0.875)
MASTER CYLINDER mm(in.)
TypeSplit
Bore diameter 23.81 (0.938)
Piston stroke (Primary + Secondary) 19 + 12 (0.75 + 0.47)
VACUUM SERVO mm(in.)
Diaphragm diameter
Except Australia 230 (9.055)
For Australia 180 (7.087) + 205 (8.077)
Power cylinder stroke 32.5 (1.281)
PEDAL RATIO 4.04
BALANCE
Type Blend proportioning valve/Load sensing proportioning
valve

BRAKES 5-9
SPECIAL PARTS FIXING NUT AND BOLT
FRONT WHEEL BRAKENm(kgfm/lbft)
27-37 (2.8-3.8/20-27)
139-171 (14.2-17.4/103-126) 139-171 (14.2-17.4/103-126)
5.9-8.8 (0.6-0.9/4.3-6.5)
REAR WHEEL DRUM BRAKENm(kgfm/lbft)
11-15
(1.1-1.5/8-11) 13-19 (1.3-1.9/9-14) 6.9-11.8 (0.7-1.2/5.1-8.7)

5-10 BRAKES
VACUUM SERVO WITH MASTER CYLINDER AND BRAKE PEDAL
(Except Australia)
Nm(kgfm/lbft)
6.9-8.8
(0.7-0.9 / 5.1-6.5)15-25 (1.5-2.5 / 11-18)
13-19 (1.3-1.9 / 9.4-14)9.8-16 (1.0-1.6 / 7-12) 18-24 (1.8-2.4 / 13-17) 15-25 (1.5-2.5 / 11-18)
20-25 (2.0-2.5 / 14-18)
9-15
(0.9-1.5 / 6.5-11)
VACUUM SERVO WITH MASTER CYLINDER AND BRAKE PEDAL
(For Australia only)
Nm(kgfm/lbft)
6.9-8.8
(0.7-0.9 / 5.1-6.5)9-15
(0.9-1.5 / 6.5-11)
13-19 (1.3-1.9 / 9.4-14) 9.8-16 (1.0-1.6 / 7-12) 18-24 (1.8-2.4 / 13-17)15-25 (1.5-2.5 / 11-18) 15-25 (1.5-2.5 / 11-18)

BRAKES 5-11
LOAD SENSING PROPORTIONING VALVE Nm(kgfm/lbft)
Primary Master Cylinder Secondary Master Cylinder
19-30 (1.9-3.1/14-22)
14-24 (1.4-2.4/10-17)10-16 (1.0-1.6/7-12)7-10 (0.7-1.0/5-7)15-22 (1.5-2.2/11-16) 13-19 (1.3-1.9/9.4-14)
15-22 (1.5-2.2/11-16)14-24 (1.4-2.4/10-17)
BLEND PROPORTIONING VALVENm(kgfm/lbft)
14-24 (1.4-2.4/10-17)13-19 (1.3-1.9/9.4-14) 13-19 (1.3-1.9/9.4-14)
Secondary master cylinder

5-12 BRAKES
BRAKE PEDAL ASSEMBLYNm(kgfm/lbft)
This illustration is besed on the LHD model 11-20 (1.1-2.0/8-1429-39 (3.0-4.0/22-29)
PARKING BRAKE STEM ASSEMBLY
(STEM TYPE, LEFT HAND DRIVE MODEL)
Nm(kgfm/lbft)
21-34 (2.1-3.5/15-25) 11-20 (1.1-2.0/8-14)14-25 (1.4-2.5/10-18)