Isuzu KB P190. Manual — part 1135

UNIT REPAIR (JR405E) 7A4-63

39L&R04

249L300003

• Measure the clearance between the low and reverse

retaining plate and the snap ring.

If the clearance is outside the specified range, replace

the existing retaining plate with a new plate of the proper

size (thickness).

Low and reverse retaining and snap ring clearance:

0.7~1.1 mm (0.028~0.043 in)

Available low and reverse brake retaining plate

thicknesses

5.2 mm (0.205 in)

5.4 mm (0.213 in)

5.6 mm (0.220 in)

5.8 mm (0.228 in)

6.0 mm (0.236 in)

10.Dish plate, drive plates, driven plates, and retaining

plate. (2-4 brake)

NOTE:
Ensure the attachment direction of dish plate is correct.
If 2-4 brake clearance measurement is required, it must be
done now.
Brake clearance cannot be measured after the carrier
assembly has been installed.

402-4B08

• Install the 2-4 brake dish plate to the transmission case

(plate contact surface).

7A4-64 UNIT REPAIR (JR405E)

412-4B09

• Install the drive plates, driven plates, and the retaining

plate.

422-4B10

432-4B11

442-4B12

11.2 – 4 brake piston and 2 – 4 brake retainer

• Install new seal ring to the 2-4 brake piston.
• Install the 2-4 brake piston to the 2-4 brake retainer.

452-4B15

• Install the 2-4 brake piston and the 2-4 brake retainer to

the transmission case.

Pay close attention to the retainer projection from the

case groove.

UNIT REPAIR (JR405E) 7A4-65

472-4B17

• Install the spring compressor to the transmission case.

Spring compressor: 5-8840-2764-0

NOTE:
Be sure that the spring compressor is perfectly centered
(an off-center special tool will damage the return spring).

• Use the spring compressor to force the 2-4 brake

retainer.

482-4B18

NOTE:
To avoid damaging the return spring, apply as little force
as possible to the 2-4 brake retainer.

• Install the snap ring.

492-4B22

• Force compressed air (390 kPa/4.0 kgf/cm

2

/57 psi)

through the oil passages of the transmission case to

operate and break-in the 2-4 brake.

502-4B19

• Measure the clearance between the 2-4 brake retainer

and the retaining plate.

If the clearance is outside the specified range, replace

the existing brake retainer with a new one of the proper

size (thickness).

2 – 4 brake retainer and retaining plate clearance:

1.0~1.4 mm (0.039~0.055 in)

Available 2-4 brake retaining plate thicknesses

5.4 mm (0.213 in)

5.6 mm (0.220 in)

5.8 mm (0.228 in)

6.0 mm (0.236 in)

6.2 mm (0.244 in)

6.4 mm (0.252 in)

• Use the spring compressor to release the 2-4 brake.

7A4-66 UNIT REPAIR (JR405E)

BEARING AND BEARING RACE
INSTALLATION POSITION

A07L300001