Isuzu N-Series. Manual - part 813

7B-22 MANUAL TRANSMISSION (MSB)

32. Counter Shaft Front Bearing

• Move the counter shaft approximately 3 mm

(0.1 in) forward by tapping on its rear end with
brass or plastic hammer.

• Remove the snap ring from the counter shaft

front end.

• Set the bearing remover to the snap ring

groove to remove the front bearing.
Bearing Remover: 5-8840-2078-0
Universal Puller: 5-8840-2027-0

33. Top Gear Shaft Assembly

• Remove the top gear shaft bearing outer race

toward front end using a hammer and soft met-
al bar.

• Remove the block ring and needle bearing.

N7A0088E

N7A0089E

N7A0090E

N7A0091E

MANUAL TRANSMISSION (MSB) 7B-23

34. Main Shaft Rear Bearing

• Move the main shaft approximately 3 mm (0.1

in) rearward by tapping on its front end with
brass or plastic hammer.

• Remove the snap ring and set the bearing re-

mover to the snap ring groove to remove the
bearing.
Bearing Remover: 5-8840-2078-0
Universal Puller: 5-8840-2027-0

35. Main Shaft Assembly

• Take main shaft assembly out from the trans-

mission case.

36. Side Cover

N7A0092E

N7A0093E

N7A0094E

N7A0095E

7B-24 MANUAL TRANSMISSION (MSB)

37. Reverse Idle Gear Shaft

• Take out the pin of reverse idle gear shaft from

the transmission case.

• Drive out the reverse idle gear shaft inward the

transmission case, with a suitable bar at the
end of reverse gear shaft.

38. Reverse Idle Gear
39. Thrust Washer
40. Conical Spring

41. Counter Shaft Assembly

• Remove the snap ring of the counter 5th gear

and place aside inward temporarily.

N7A0096E

N7A0097E

N7A0098E

N7A0099E

MANUAL TRANSMISSION (MSB) 7B-25

• Move the counter 5th gear inward and take it

out together with the counter shaft assembly.

• Remove the counter shaft assembly from the

transmission case.

• Remove the counter 5th gear and the snap ring

from the counter shaft.

Reassembly

Notice:
Clean each part thoroughly.
When assembling parts, apply clean engine oil (SAE
5W-30) to their sliding and mating sections.

1. Counter Shaft Assembly

• Install the snap ring to the counter shaft and

place it aside inward temporarily.

• Then install the counter 5th gear and move it in-

ward.

N7A0100E

N7A0101E

N7A0102E

N7A0103E