2007 ISUZU KB P190 Workshop Repair Manual

Page 4153 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 7A4–18 UNIT REPAIR (AW30–40LE)
8. Remove one flange, four plates and four discs (B–
0).
246RY00026
9. Remove the thrust bearing and two races.
247RY00003
10. Using snap ring pliers, remove the s

Page 4154 of 6020

ISUZU KB P190 2007  Workshop Repair Manual UNIT REPAIR (AW30–40LE) 7A4–19
Install two removed bolts to the OD support, and 
pull out the OD suppor t assembly.
252RY00005
12. Remove the race from OD support.
252RY00006
13. Check piston str

Page 4155 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 7A4–20 UNIT REPAIR (AW30–40LE)
14. Using snap ring pliers, remove the snap ring.
248RY00006
15. Applying compressed air to the oil hole, remove thesecond coast brake piston assembly.
248RY00007
16

Page 4156 of 6020

ISUZU KB P190 2007  Workshop Repair Manual UNIT REPAIR (AW30–40LE) 7A4–21
18. Remove the second coast brake band from thetransmission case.
248RY00010
19. Remove the front planetary ring gear from thetransmission case.
247RY00004
20. Remov

Page 4157 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 7A4–22 UNIT REPAIR (AW30–40LE)
NOTE:  Hold the output shaft to prevent it from falling. 
The output shaft falls when the snap ring is removed.
23. Remove the front planetary gear from the transmis

Page 4158 of 6020

ISUZU KB P190 2007  Workshop Repair Manual UNIT REPAIR (AW30–40LE) 7A4–23
27. Check pack clearance of first and reverse brake (B–
3) 
Using a feeler gauge, measure the clearance
between the plate and second brake drum as shown
in the fig

Page 4159 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 7A4–24 UNIT REPAIR (AW30–40LE)
Reassembly
1. Coat the assembled bearing and race withpetroleum jelly and install it onto the transmission 
case.
Assembled bearing and race (Reference)
247RY00008
2

Page 4160 of 6020

ISUZU KB P190 2007  Workshop Repair Manual UNIT REPAIR (AW30–40LE) 7A4–25
4. Check pack clearance of first and reverse brake.Using a thickness gauge, measure the clearance 
between the plate and second brake drum as shown
in the figure.
Cl