Remove/install master cylinder

AR25.20-B-0100XA

Remove/install master cylinder

03.02.2020

Model

382.0 with transmission 712

Model

382.1 with engine 906.918/933/974/975/977/983/988/994/998, 926.910/926/999

1

Hydraulic sender cylinder

7

Breather

2

Pedal bracket

8

Reservoir filter

3

Sender cylinder fastening screws

9

Filler cap sealing ring

4

Rod protective bellows

10

Reservoir end cover

5

Expander ring for connection to cylinder

11

Reservoir fastening clamp

6

Hydraulic reservoir

12

Flexible hydraulic hose

 

Remove/install

1

Turn-off the master switch

2

Open the front cover

 Caution

Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid

Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.

AS42.50-Z-0001-01A

3

Remove brake fluid from hydraulic reservoir (6) be means of suction

 Collect brake fluid in an appropriate container for ecologically correct disposal.

4

Remove the flexible hydraulic hose (12), disconnecting it first from lower metal tubing connection and then from sender cylinder connector

Remove/install clutch hydraulic line
.

AR25.20-B-1000D

 Installation: First connect the flexible hydraulic hose (12) to sender cylinder and then to the metal tubing connection.

5

Remove the tank securing clamp (11) and disconnect the hydraulic reservoir (6) from the snap ring that connects with the cylinder (5), removing it from the emitting hydraulic cylinder (1)

 Installation: Install the new snap ring and a new fastening clamp.

6

From inside the cab remove both sender cylinder fastening screws (3), and remove hydraulic sender cylinder (1) from outside

7

Remove the stem protective bellows (4) from hydraulic sender cylinder

 Installation: Install new protective bellows.

8

Wash the hydraulic reservoir (6), filter (8), and filler cap (10) using ethyl alcohol and dry with clean and dry compressed air

 Installation: Apply a new sealing ring to filler cap.

9

Replace the sender hydraulic cylinder repair (1)

Detach/attach line
.

AR25.20-B-0100-01A

10

Refill with specified brake fluid and bleed the hydraulic clutch actuator system

Bleed clutch operating system
.

AR25.20-B-0070XB

11

Adjust hydraulic sender cylinder actuator rod play (1)

Adjust clutch pedal
.

AR29.10-B-0090A

12

Check the hydraulic system for tightness