Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and operation of the car



Toyota 4ranner
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
- 8. Brake system
   8.1. Specifications
   8.2. ABS system
   8.3. Blocks of disk brakes
   8.4. Brake support
   8.5. Brake disk
   8.6. Blocks of drum brakes
   8.7. Wheel cylinder of back brakes
   8.8. Main cylinder of brakes
   8.9. Hoses and tubes of a hydraulic actuator
   8.10. Pressure regulator
   8.11. Emergency brake
   8.12. Cables of the emergency brake
   8.13. Vacuum amplifier of brakes
   8.14. Pumping of brakes
   8.15. Adjustment of a pedal of a brake
   8.16. Braking signal switch
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electrical circuitries



8.6. Blocks of drum brakes

GENERAL INFORMATION

Prevention

Blocks change only in a set on one axis.


Back brake of the Toyota 4 Runner/Hilux/Surf car

1. Cutting spring washer
2. Crank of a rkuchny brake
3. Cover
4. The union for pumping
5. Cover
6. Piston
7. Spring
8,11. Regulator
9. Piston cuff
10. Cylinder
12. Spring
13. Back block
14, 16, 26. Cutting washer
15. Block clamp cups
17. Laying
18. Drum
19. Lever of automatic adjustment of blocks
20. The conducted lever of the emergency brake
21. Block clamp spring
22. Forward block
23. Cable
24, 28. Pin
25. Cap
27. Spring

Regulator lever details

1. Block

2. The conducted lever of the emergency brake

3. Cutting washer

4. Regulator lever

5. Cutting lock washer
Replacement

PERFORMANCE ORDER
1. Release nuts of wheels, lift a back part of the car. Remove back wheels.
2. Remove a drum. If the drum does not give in to removal, then fill in the getting liquid between hairpins of a flange of a half shaft and openings of a drum and tap a drum from the inside on a contour. As a last resort displace a drum, evenly wrapping bolts in special carving openings.
3. If interfere with removal blocks, then get a cap from a board of a brake and reduce blocks. For this purpose take away the lever of the regulator from a cogwheel and rotate a regulator cogwheel the screw-driver counterclockwise.
4. Clear a brake of dust and dirt. Carry out check and replacement of blocks according to the enclosed pictures.
5. Disconnect a spring from a forward block.
6. Remove a clamping spring of a forward block having pressed a cup and having turned on 90 °.
7. Remove the lower spring.
8. Remove a clamping spring of a back block.
9. Disconnect a regulator lever spring.
10. Disconnect a small cable of a crank.
11. Remove the regulator.
12. Get a cutting lock washer of an axis of the lever of the regulator from a back block.
13. Get a cutting washer from an axis of the lever of the emergency brake.
14. Beat out an axis from an old block and press in new (if the axis is absent).
15. Having installed the lever on an axis of a new block, squeeze a cutting washer.
16. Install the lever of the regulator and fix by a new cutting washer. Establish a spring.
17. Grease the rubbing block surface with refractory lubricant. Clear and grease a mobile part of an adjusting hairpin.
18. Disconnect the regulator and a spring.
19. Install the assembled lever on a board of a brake and fix, having established a pin, a spring, a basic washer and a cup.
20. Attach the lower spring.
21. Establish a block, having entered it into gearing with the regulator.
22. Dress a coupling spring on other block.
23. Fix a block by a clamping spring.
24. Clear a drum and check a condition of a surface. Check ovality of a drum, at strong damages pierce a drum. If after a pro-point diameter appears more limit, replace a drum.
25. Perform these operations for a brake of other wheel.
26. Adjust a crank of the emergency brake (1 – a spring, 2 – the forelock, 3 – an axis). For this purpose disconnect a cable. Displace a crank in the direction A against the stop in a block (a gap In = 0).
27. Release a lock-nut and rotating a bolt, establish S. Zatyanite's gap a lock-nut. Attach a spring and a cable. Execute adjustment for other wheel.
28. Be convinced. that the hairpin of the regulator rotates, moving the lever of the emergency brake in salon.
29. Install reels. Press several times a brake pedal. Then part blocks before contact with a drum, rotating the screw-driver a regulator cogwheel through an opening in a brake board. Take away a little blocks that the drum could be rotated freely. Establish a cap.
30. Further assembly is carried out upside-down. Check the provision of a pedal. If the pedal is too close to a floor, then moving a backing press several times a brake pedal to adjust a gap between blocks and drums by means of the automatic regulator (works only at the movement by a backing).