Isuzu N-Series. Service manual — part 229
HYDRAULIC BRAKES 5A-75
Legend
A. Drum inside diameter 240 mm
8. Piston and bracket assembly
B. Drum inside diameter 290 mm
9. Piston cup
1. Overtravel spring
10. Boot
2. Adjuster lever
11. Boot
3. Adjusting screw and gear
12. Anchor piston
4. Adjusting screw
13. Piston cup
5. Adjuster gear and nut assembly
14. Cylinder body
6. Seal
15. Bleeder
7. Seat (washer)
N5A0241E
5A-76 HYDRAULIC BRAKES
Legend
A. Drum inside diameter 300 mm, 320 mm
8. Piston cup
1. Overtravel spring
9. Boot
2. Adjuster lever
10. Boot
3. Adjusting screw and gear
11. Anchor piston
4. Adjusting screw
12. Piston cup
5. Adjuster gear and nut assembly
13. Cylinder body
6. Seat (Washer)
14. Bleeder
7. Piston
N5A0242E
HYDRAULIC BRAKES 5A-77
Legend
A. Drum inside diameter 370 mm
10. Snap ring
1. Adjusting screw
11. Lever
2. Adjuster gear and nut assembly
12. Return spring
3. Washer (SUS)
13. Pin
4. Washer (OIL LESS)
14. Boot
5. Piston
15. Cylinder assembly
6. Piston cup
16. Piston cup
7. Spring assembly
17. Piston
8. Washer
18. Boot
9. Wave washer
19. Bleeder
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
N5A0448E
5A-78 HYDRAULIC BRAKES
Disassembly
Drum inside diameter 260 mm
1. Overtravel Spring
2. Return Spring
3. Fitting
4. Adjuster Lever
5. Adjusting Screw
6. Adjuster Gear
7. Piston and cup Assembly
8. Boot
9. Wheel Cylinder Body
10. Bleeder Screw
Store all of the removed parts in a clean part tray.
Drum inside diameter 240, 290 mm
Inspect the wheel cylinder.
Remove the parts of the brakes with a drum inside diam-
eter of 240 mm and 290 mm in the order shown below.
1. Overtravel spring
2. Auto-adjuster lever
3. Adjusting screw and gear assembly
4. Adjusting screw
5. Adjuster gear
6. Seal
7. Seat (washer)
8. Piston
9. Piston cup
10. Boot
11. Boot
12. Piston
13. Piston cup
14. Cylinder
15. Bleeder
Drum inside diameter 300, 320 mm
1. Auto-adjuster
2. Boot
3. Piston
4. Adjusting screw
5. Adjuster gear
6. Washer
7. Piston cup
8. Piston
9. Bleeder screw and cap
10. Cylinder body
Disassembly of piston on adjust side (Drum inside
diameter 300, 320 mm)
1. Fit the waste cloth between the lever and spring
not to damage each parts.
2. Disassemble the lever fixing bolt.
3. Remove the piston assembly to hold the lever to fit
the bracket.
N5A0243E
Legend
1. Spring
2. Bracket
3. Lever fixing bolt
4. Lever
N5A0244E
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