2004 ISUZU TF SERIES Workshop Manual

Page 4193 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (JR405E)  7A4-19 
 
 Disassembly steps 
  Remove the 11 steel balls and spring from the control 
valve upper body. 
 244L300005 
Legend 
  1. Steel ball: A – 10 (Silver) 
B – 1 (Black

Page 4194 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4-20  UNIT REPAIR (JR405E) 
  
 Inspection 
Valve 
Inspect each of the valves for denting and other damage. 
Spring 
Inspect each of the springs for wear and fatigue. 
 
Valve specifications 
 244L3

Page 4195 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (JR405E)  7A4-21 
No. Valve 
nomenclature Diameter 
(mm / in) Length 
(mm / in)Configuration 
1 Manual 12.0 / 
0.472 82.0 / 
3.228 
2 2 – 4 brake 
accumulator 15.0 / 
0.591 37.5 / 
1.476

Page 4196 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4-22  UNIT REPAIR (JR405E) 
12  High clutch amp  12.0 / 
0.472 53.5 / 
2.106 
13 High clutch 
solenoid 
accumulator 14.0 / 
0.551 19.5 / 
0.768 
 
Spring specifications 
No. Valve nomenclature Free

Page 4197 of 4264

ISUZU TF SERIES 2004  Workshop Manual 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. Retain

Page 4198 of 4264

ISUZU TF SERIES 2004  Workshop Manual 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

Page 4199 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (JR405E)  7A4-25 
Valve specifications 
 244L300008

Page 4200 of 4264

ISUZU TF SERIES 2004  Workshop Manual 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 a