Isuzu KB P190. Manual - part 1137

UNIT REPAIR (JR405E)  7A4-71 

 

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3.  Carrier and low clutch assembly 

Install the carrier and low clutch assembly to the

transmission case. 

NOTE: 
Do not allow the low clutch drum end to protrude beyond 
the 2-4 brake plate contact surface (transmission case). 
 

 

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4. Bearing 

Install the bearing to the carrier and low clutch assembly. 

 

 

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5. Driven plates, drive plates, retaining plate, and dish

plate (2 – 4 brake) 

Install the 2-4 brake 5 driven plates (1), 5 drive plates (2), 

retaining plate (3), and dish plate (4) in that order. 

NOTE: 

••••  The thickest driven plate (5.6 mm) must be installed

at the bottom (transmission case plate surface). 

••••  The dish plate side with the identification mark must 

face the retaining plate. 

 

 

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7A4-72  UNIT REPAIR (JR405E) 

 

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6.  2 – 4 brake spring 

Install the three 2-4 brake springs to the transmission case.

 
 

 

 

 

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UNIT REPAIR (JR405E)  7A4-73 

 

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7.  Return spring and 2 – 4 brake retainer 

•  Align the transmission case groove and the 2-4 brake 

retainer projection. 

•  Install the return spring and the 2-4 brake retainer. 

 

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•  Install the spring compressor to the transmission case. 

Spring compressor: 5-8840-2764-0 

NOTE: 
Carefully center the spring compressor to prevent damage 
to the return spring. 

•  Push the 2-4 brake retainer into place. 

NOTE: 
Do not push the brake retainer too far. 
Damage to the return spring will result. 

•  Install the snap ring. 

 

 

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8.  Sleeve and seal ring 

•  Install the new sleeve and seal ring to the transmission 

case. 

7A4-74  UNIT REPAIR (JR405E) 

 

192-4B22 

 
 

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

2

/57 psi) 

through the transmission case oil passage to 2-4 brake 

operation. 

If the 2-4 brake does not operate, the seal ring may be 

damaged or the parts may have been installed in the 

wrong order. 

 

 

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9.  Bearing race, front sun gear, and bearing 

•  Install the bearing race to the front sun gear. 

NOTE: 
Apply Vaseline to the bearing race and bearing to prevent 
them from falling during the installation procedure. 
 

 

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•  Install the front sun gear to the transmission case. 

 

 

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•  Install the bearing to the front sun gear. 

 

 

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10.High clutch hub and bearing race 

Install the bearing race to the high clutch hub. 

NOTE: 
Apply Vaseline to the bearing race.