Isuzu KB P190. Manual - part 1129

UNIT REPAIR (JR405E)  7A4-39 

248L300004 

 
 

5.0 mm (0.197 in) 

5.2 mm (0.205 in) 

5.4 mm (0.213 in) 

 

 

 

 

24R&H34 

 
 

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

2

/57 psi) 

through the oil pump oil passages to check reverse

clutch operation. 

If the clutch does not operate, the seal ring may be

damaged or the parts may have been installed in the

wrong order. 

 

7A4-40  UNIT REPAIR (JR405E) 

 

25CLEAR04 

 
 

•  Measure the clearance between the reverse clutch 

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). 

Reverse clutch retaining plate and snap ring 

clearance (B): 

0.6~0.9 mm (0.024~0.035 in) 

Available reverse clutch retaining plate thicknesses 

4.8 mm (0.189 in) 

5.0 mm (0.197 in) 

5.2 mm (0.205 in) 

5.4 mm (0.213 in) 

 

 

UNIT REPAIR (JR405E)  7A4-41 

 

 

CARRIER AND LOW CLUTCH 
ASSEMBLY 

 

 

01C&L12 

Legend 

 

1. Snap ring 

 

2. Front carrier 

 

3. Bearing (with bearing race) 

 

4. Rear sun gear 

 5. 

Bearing 

 

6. Rear carrier 

 

7. Bearing race 

 8. 

Bearing 

 

9. Rear internal gear 

  10. Bearing race 
  11. Snap ring 
  12. Retaining plate 
  13. Drive plate (7, low clutch) 
  14. Driven plate (6, low clutch) 

 

 

  15. Driven plate (1, 2 mm thick, low clutch) 
  16. Dish plate 
  17. Snap ring 
  18. Cancel cover 
  19. Return spring 
  20. Low clutch piston 
  21. Seal ring (small) 
  22. Seal ring (large) 
  23. Low clutch drum 
 24. 

Bearing 

  25. Snap ring 
  26. Low one-way clutch 
  27. Side plate 
  28. Snap ring 

7A4-42  UNIT REPAIR (JR405E) 

 

02C&L-SUB03 

 
 

Disassembly steps 

1. Snap ring 

Remove the snap ring from the low clutch drum. 

 

 

03C&L-SUB05 

 
 

2. Front carrier 

Remove the front carrier from the low clutch assembly. 

 

 

04C&L-SUB06 

 
 

3.  Bearing (with bearing race) 

4.  Rear sun gear 

5. Bearing 

6. Rear carrier 

7. Bearing race 

8. Bearing 

9.  Rear internal gear 

10.Bearing race 

Remove the bearing (with bearing race), the rear sun gear, 

the bearing, the rear carrier, the bearing race, the bearing,

and rear internal gear. 

 

05C&L-SUB07