Page 4537 of 6020
7A4-60 UNIT REPAIR (JR405E)
26L&R01
6. Low and reverse brake piston
• Install new seal rings to the low and reverse piston.
RTW 47ASH000701
As shown in a figure, a sealing lip is attached.
27ASSY004
•
Install the low and reverse brake piston to the
transmission case.
28ASSY005
7. Return spring
• Install the return spring to the low and reverse brake
piston.
29ASSY006
8. Low one-way clutch inner race
• Install the low one-way clutch inner race to the
transmission case.
• Temporarily tighten the 7 fixing bolts.
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Page 4538 of 6020
UNIT REPAIR (JR405E) 7A4-61
31ASSY074
•
Tighten each of the bolts a little at a time to the specified
torque.
Be sure that the return spring and the low one-wa
y
clutch inner race installation position does not change as
you tighten the bolts.
Torque: 24 N ⋅
⋅⋅
⋅
m (2.4 kgf ⋅
⋅⋅
⋅
m/17 Ib ⋅
⋅⋅
⋅
ft)
32ASSY007
9. Dish plate, driven plates, drive plates, and retaining
plate (low and reverse brake)
• Install the dish plate (1) followed by the 6 driven plates
(2) and drive plates (3) sets.
33ASSY008
34ASSY009
35N-SPG02
•
Install the N-type spring.
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ISUZU KB P190 2007
Page 4539 of 6020
7A4-62 UNIT REPAIR (JR405E)
RTW 37AMF0001-X
36ASSY10
•
Install the retaining plate (4).
37ASSY011
•
Install the snap ring.
38L&R03
•
Force compressed air (390 kPa/4.0 kgf/cm2/57 psi)
through the oil passages of the transmission case to
check low and reverse brake operation.
If the low and reverse brake does not operate, check the
seal rings for damage and replace if necessary. Also
check that no parts have been installed out of place.
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ISUZU KB P190 2007
Page 4540 of 6020
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 prope
r
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).
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Page 4541 of 6020
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.
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ISUZU KB P190 2007
Page 4542 of 6020

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/cm2/57 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 prope
r
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.
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Page 4543 of 6020
7A4-66 UNIT REPAIR (JR405E)
BEARING AND BEARING RACE
INSTALLATION POSITION
A07L300001
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ISUZU KB P190 2007
Page 4544 of 6020
UNIT REPAIR (JR405E) 7A4-67
1. Bearing and bearing race
Outside diameter Bearing – 46 mm (1.811 in)
Bearing race – 45 mm (1.772 in)
01BRG16
2. Bearing (with bearing race)
Outside diameter
Bearing – 46 mm (1.811 in)
02BRG02
Bearing race (black color) installation direction – Facing the
front of the transmission.
3. Bearing and bearing race
Outside diameter Bearing – 65 mm (2.559 in)
Bearing race – 64 mm (2.520 in)
03BRG04
4. Bearing and bearing race
Outside diameter
Bearing – 73 mm (2.874 in)
Bearing race – 72 mm (2.835 in)
04BRG05
5. Bearing (with bearing race)
Outside diameter
Bearing – 53 mm (2.087 in)
05BRG06
Bearing race (black color) installation direction – Facing the
front of the transmission.
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ISUZU KB P190 2007