Isuzu KB P190. Manual — part 1204

7C-38 CLUTCH

SLAVE CYLINDER (MUX)

DISASSEMBLY

RTW77CSF000501

Disassembly Steps

1. Push rod

2.

Boot

3. Piston and piston cup

4.

Spring

5. Cylinder body

6. Clutch damper valve

CLUTCH 7C-39

INSPECTION AND REPAIR

Make the necessary adjustments, repairs, and part replacements if excessive wear or damage is discovered during
inspection.

RTW77CSH000901

Cylinder Body

1. Clean the cylinder body.

2. Check the fluid return port for restrictions and clean it if

necessary.

206RS004

Piston and Piston Cup

1. Visually inspect the disassembled piston and piston cup for

excessive wear and damage.

2. Replace the inner parts with new parts shown in the

illustration.

206RS005

3. Measure the clearance between slave cylinder wall and

piston.

4. If the measured value exceeds the specified limit, the slave

cylinder assembly must be replaced.

mm(in)

Standard Limit

0.07 (0.0028)

0.15 (0.006)

Clutch Damper Valve

1. Visually inspect the entire clutch damper valve housing or

connector for cracking and other damage.

The slave cylinder assembly must be replaced if any of

these conditions are present.

2. Measure resistance between terminals.

Replace slave cylinder assembly if less than standard

value.

Standard: 14.3

Ω

7C-40 CLUTCH

REASSEMBLY

To reassemble, follow the disassembly steps in the reverse order, noting the following points:

RTW77CSH001001

1. Before installing the parts, apply a thin coat of rubber

grease.

2. Install cup in groove in piston with the lip turned to the front

of cylinder. Use care so as not to scratch the cylinder.

CLUTCH 7C-41

HYDRAULIC DAMPER CYLINDER

INSPECTION AND REPAIR

Make the necessary adjustments, repairs, and part replacements if excessive wear or damage is discovered during
inspection.

Visually check for oil leakage and other damage.
If oil leakage or other damage is discovered during the
inspection; the damper cylinder assembly must be replaced as
a unit.