Daewoo Musso. Manual - part 229

4A-10  HYDRAULIC BRAKES

Removal & Installation Procedure

1. Remove the stop lamp switch connector.

2. Remove the clevis pin and disconnect the brake booster

push rod.

Notice

l

Install in the upper hole (1), in case of Mando brake and

in the below hole (2), incase of PBR brake.

l

Install the snap pin fully in the hole of clevis pin.

l

Apply the grease around the hole of clevis pin.

3. Loosen the nut (4EA) and bolt (2EA) and remove the brake

pedal.

4. Installation should follow the removal procedure in reverse

order.

Tightening Torque

8 - 18 Nm

HYDRAULIC BRAKES  4A-11

Adjustment Procedure

1. Pedal Height

Notice

If pedal height is not in specified value, loosen the stop
lamp nut (B) and adjust the pedal height.

2. Pedal Stroke

Height (A)

150 mm (From the carpet)

Notice

If pedal stroke is not in specified value, loosen the stop bolt
and lock nut (F) and adjust the pedal stroke.

3. Free Play

Stroke (C)

Mando : 138 mm

PBR : 132mm

Notice

To adjust, depress the brake pedal several times until there
is no more vacuum left in the vacuum line.

To adjust, loosen the lock nut (D) of the push rod and turn
the rod.

Free Play (E)

1 - 4 mm

Inspection Procedure

1. Inspect the wear of bushing.

2. Inspect the warp and bend of brake pedal.

3. Inspect the return spring of brake pedal.

4. Inspect the conductivity when connecting the tester to the

stop lamp switch connector.

4A-12  HYDRAULIC BRAKES

LCRV (LOAD CONSCIOUS REDUCING VALVE)

1 Brake Tube (from the master cylinder)
2 Brake Tube (from the rear brake)
3 LCRV Bracket
4 Bolt ........................................................... 12 Nm

5 LCRV Assembly
6 Connecting Link
7 Spring Washer
8 Nut ....................................................... 14-18 Nm

HYDRAULIC BRAKES  4A-13

Construction

LCRV consists of sensing part and hydraulic control part.

1. Sensing Part

It detects the changes of vehicle height caused by vehicle
load. It consists of load sensing spring and control lever
which change according to vehicle load.

2. Hydraulic Control Part

It consists of valve stem devices which controls hydraulic
pressure according to load detected by sensing part.

Trouble Shooting

Poor Braking

Possible Cause

Air in Brake System

Poor Adjustment of Sensor Spring

Damaged Sensor Spring

Fluid Leaking from LCRV

Remedy

Bleeding

Adjust

Replace

Replace

Possible Cause

Poor Adjustment of Sensor Spring

Internal Fluid Leaking of LCRV

Remedy

Adjust

Replace

Abnormal Locking