Justin's Toyota Service

Drum Brake Land Cruiser

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For Drum Brake

1. Cap & Strainer

2. Reservoir

3. Snap Ring

5. Piston Stopper Bolt

6. Snap Ring

8. No.2 Piston & Spring

9. Outlet Check Valve

Remove the piston stopper bolt with the pistons pushed in all the way.

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INSPECTION

Inspect the all disassembled parts for wear or damage, and replace parts if necessary.

1. Wash the disassembled parts with brake fluid.

2. Do not reuse the piston cap.

MASTER CYLINDER INNER WALL CLEANING

1. Use a thin wooden stick having soft white cloth wound on its tip and soak in the new brake fluid.

2. Insert the stick into the cylinder halfway and rotate to clean the inner wall.

Do not push and pull the stick to clean the inner wall.

3. Fill the new brake fluid in the cylinder and shake to clean the inner wall.

4. Air blow to remove the fluid and dust in the master cylinder.

5. Make sure that there are no dust and scrotch on the inner wall.

ASSEMBLY

Assemble the parts in the numerical order shown in the figure.

Fig. 9-49 5 Fig. 9-51 2 Fig. 9-50

1.	Outlet Check Valve
2.	No.2 Piston & Spring
3.	No.1 Piston & Spring
4.	Snap Ring
5.	Piston Stopper Bolt
6.	0 Ring
7.	Snap Ring
8.	Reservoir
9.	Cap & Strainer

3 Fig. 9-50 4

0 Install the outlet check valve.

Rubber Grease ii 1

o ft

Before assembly, coat rubber grease on the parts indicated by arrows.

Fig. 9-52

Install the piston stopper bolt with pistons pushed in all the way

Push in the elbow and install the snap ring. - Note -

After assembling the snap ring, insert rubber grease between elbow and boots.

Install the master cylinder reservoir.

INSTALLATION

Install the parts in the numerical order shown in the figure.

1. Master Cylinder

2. Brake Tube

Clearance -hL-

Clearance -hL-

Adjust The Booster Push Rod Length

The length of booster push rod is adjusted to provide the specified clearance between the push rod end and the master cylinder piston. Clearance:

STD at Idling vacuum 0.1 - 0.5 mm (0.004 - 0.020 in.)

Fig. 9-56

Connect the brake tube with SST. SST [09751-36011]

1. With the SST set as shown in the figure, push the pin until it contacts the piston rod.

Measure with the gasket installed.

2. The internal booster should be at atmospheric pressure.

3. Then, with the SST placed upside down as shown in the figure, adjust the push rod length so that SST stands as high as the push rod.

SST [09737-00010]

Between SST and push rod - Note -

By the above adjustment, the clearance will be 0.1 - 0.5 mm (0.004 - 0.020 in.) under the idling vacuum.

4. Tighten the master cylinder mounting nuts.

Connect the brake tube with SST. SST [09751-36011]

BRAKE PEDAL ADJUSTMENT SECTION

AIR BLEEDING

SECTION Fig. 9-11 to 9-14

Adjust the pedal height and play.

Bleed the air from the system.

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