Isuzu KB P190. Manual — part 1125

UNIT REPAIR (JR405E) 7A4-23

CONTROL VALVE LOWER BODY

10CV11

Legend

1. Retainer plate, spring, and steel ball

2. Retainer plate, plug, spring, and

pressure regulator valve

3. Retainer plate, spring, and high clutch

accumulator

4. Retainer plate, plug, low and reverse

brake fail valve A, and spring

5. Retainer plate, plug, spring, and fail

valve

6. Retainer plate, plug, low and reverse

brake amp valve, and spring

7. Oil pressure switch

8. Oil filter

9.

Solenoid

10. Line pressure solenoid
11. Lock-up solenoid

12. Harness bracket
13. Solenoid fixing plate
14. Harness assembly
15. Retainer plate, plug, spring, and 2-4

brake fail valve A

16. Retainer plate, plug, spring, and low

clutch amp valve B

17. Retainer plate, spring, and torque

converter relief valve

18. Oil strainer
19. Control valve lower body
20. Retainer plate, spring, and 2-4 brake

solenoid accumulator

21. Oil pressure switch

7A4-24 UNIT REPAIR (JR405E)

Disassembly steps

• Remove the oil filter from the control valve lower body.

244L300009

Legend

1. Oil filter

2. Separation plate

• Remove the control valve from the control valve lower

body.

NOTE:
Place the control valve where it will not get mixed up with
the other parts.

Inspection

Valve

Inspect each of the valves for denting and other damage.

Spring

Inspect each of the springs for wear and fatigue.

UNIT REPAIR (JR405E) 7A4-25

Valve specifications

244L300008

7A4-26 UNIT REPAIR (JR405E)

No.

Valve

nomenclature

Diameter

(mm / in)

Length

(mm / in)

Configuration

14 Pressure

relief

----

----

15

Pressure
regulator

16.0 /
0.630

89.5 /
3.524

16

Low and reverse
brake fail (A)

10.0 /
0.394

52.0 /
2.047

17 Fail

12.0 /
0.472

53.5 /
2.106

18

Low and reverse
brake amp

12.0 /
0.472

55.5 /
2.185

19

2 – 4 brake fail
(A)

10.0 /
0.394

65.5 /
2.579

20

Low clutch amp
(B)

12.0 /
0.472

53.0 /
2.087

21

Torque
converter relief

10.0 /
0.394

37.4 /
1.472

22

2 – 4 brake
solenoid
accumulator

14.0 /
0.551

19.5 /
0.768

23

High clutch
accumulator

10.0 /
0.394

31.0 /
1.220