Nissan March K13. Instruction — part 42
REAR DRUM BRAKE
BR-41
< REMOVAL AND INSTALLATION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
Disassembly and Assembly
INFOID:0000000005986608
DISASSEMBLY
1.
Remove the boot from wheel cylinder. Refer to
.
2.
Remove the piston cover, piston, piston cup and spring from wheel cylinder.
CAUTION:
Pull the piston out from the wheel cylinder to prevent the wheel cylinder inner wall from being
damaged.
3.
Remove boot and piston cup from piston.
ASSEMBLY
1.
Apply polyglycol ether based lubricant to the piston cup (1) and
boot (2), and install them to piston (3).
CAUTION:
• Never mistake the direction.
• Never reuse piston cup and boot.
2.
Apply brake fluid to piston and wheel cylinder inner wall, and
install spring, piston cover, piston to wheel cylinder.
CAUTION:
Never damage the wheel cylinder inner wall.
3.
Install the boot to wheel cylinder. Refer to
.
Inspection and Adjustment
INFOID:0000000005986609
INSPECTION AFTER REMOVAL
Check the following items and replace if necessary.
• Check the brake lining for excessive wear, damage, and peeling.
• Check the brake shoe sliding surface for excessive wear and damage.
• Check each spring for settling, excessive wear, damage, and rust.
• Check the adjuster for smoothness, and check it for excessive wear, damage, and rust.
• Check the back plate for damage, cracks, and deformation.
• Check the wheel cylinder for cracks, damage, and leakage of brake fluid.
• Visually check the brake drum for excessive wear, cracks, and damage with a pair of vernier calipers.
• Check the drum brake component parts for excessive wear, damage, and rust.
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
• Check the wheel cylinder inner wall for excessive wear, cracks, and damage.
• Check the piston for excessive wear and damage.
INSPECTION AFTER ASSEMBLY
Check that the piston moves smoothly.
INSPECTION AFTER INSTALLATION
1.
Check that the component parts of drum brake assembly are installed properly.
2.
Rotate the brake drum and check that there is no drag. Perform the following procedure if necessary.
a.
Remove the brake shoe. Refer to
BR-39, "Removal and Installation"
b.
Push the piston.
CAUTION:
Push both side of the piston simultaneously.
c.
Install the brake shoe. Refer to
BR-39, "Removal and Installation"
d.
Operate the brake pedal with a force of 196 N (20 kg, 44 lb) for 10 strokes or more.
e.
Check a drag of rear disc brake again. If any drag is found, disassemble the wheel cylinder. Refer to
41, "Disassembly and Assembly"
.
ADJUSTMENT AFTER INSTALLATION
Adjust the brake shoe (parking brake lever stroke). Refer to
PB-2, "Inspection and Adjustment"
.
JPFIA0234ZZ
BR-42
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000005986610
Unit: mm (in)
Brake Pedal
INFOID:0000000005986611
Unit: mm (in)
Brake Booster
INFOID:0000000005986612
Unit: mm (in)
Front Disc Brake
INFOID:0000000005986613
Unit: mm (in)
Rear Drum Brake
INFOID:0000000005986614
Unit: mm (in)
Front brake
Cylinder bore diameter
51.1 (2.012)
Pad length
×
width
×
thickness
115.0
×
41.0
×
9.0 (4.53
×
1.614
×
0.354)
Rotor outer diameter
×
thickness
238
×
22.0 (9.37
×
0.866)
Rear brake
Cylinder bore diameter
17.46 (11/16)
Lining length
×
width
×
thickness
172.0
×
26.0
×
4.5 (6.77
×
1.024
×
0.177)
Drum inner diameter
180.0 (7.09)
Master cylinder
Cylinder bore diameter
20.6 (13/16)
Control valve
Valve type
Dual proportioning valve
Brake booster
Diaphragm diameter
228 (9)
Recommended brake fluid
Refer to
Item
Standard
Brake pedal height
153.7 – 163.7 (6.05 – 6.44)
Clearance among the brake pedal lever and the stop lamp switch threaded end
0.2 – 1.96 (0.008 – 0.0772)
Brake pedal play
2 – 9 (0.08 – 0.35)
Depressed brake pedal height
[Depressing 490 N (50 kg, 110 lb) while turning the engine ON]
80 (3.15) or more
Item
Standard
Input rod length
125 (4.92)
Item
Limit
Brake pad
Wear thickness
2.0 (0.079)
Disc rotor
Wear thickness
20.0 (0.787)
Thickness variation (measured at 8 positions)
0.008 (0.0003)
Runout (with it attached to the vehicle)
0.055 (0.0022)
Item
Limit
Brake lining
Wear thickness
1.5 (0.059)
Brake drum
Wear inner diameter
181.0 (7.13)
BRC-1
BRAKES
C
D
E
G
H
I
J
K
L
M
SECTION
BRC
A
B
BRC
N
O
P
CONTENTS
BRAKE CONTROL SYSTEM
WITHOUT ABS
WIRING DIAGRAM . . . . . . . . . ...
BRAKE CONTROL SYSTEM . . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . .....
DTC/CIRCUIT DIAGNOSIS . . . . . . ..
BRAKE FLUID LEVEL SWITCH . . . . . .
Component Function Check . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ....
Component Inspection . . . . . . . . . . . ..
PARKING BRAKE SWITCH . . . . . . . ..
Component Function Check . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ....
BRC-2
< WIRING DIAGRAM >
[WITHOUT ABS]
BRAKE CONTROL SYSTEM
WIRING DIAGRAM
BRAKE CONTROL SYSTEM
Wiring Diagram
INFOID:0000000006034867
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCFWA0298GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст