Isuzu N-Series. Manual — part 848
MANUAL TRANSMISSION 7B-53
8. Install the 1st-reverse and 2nd-3rd shift rod (1) to
the 1st-reverse and 6th shift block (5), the 2nd-3rd
shift arm (4), the 1st-reverse shift arm (2).
• Drive in the spring pin (3) and (6) using a ham-
mer after aligning the spring pin hole.
• When pressing in the spring pin, put a round
pole on the opposite side of the shift rod not to
damage other parts, and then press in the
spring pin.
9. Install the 4th-5th and 6th shift rod (1) to the 4th-5th
shift arm (3), 1st-reverse and 6th shift block (2).
• Drive in the spring pin (4) using a hammer after
aligning the spring pin hole.
• When pressing in the spring pin, put a round
pole on the opposite side of the shift rod not to
damage other parts, and then press in the
spring pin.
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7B-54 MANUAL TRANSMISSION
10. Apply ThreeBond 1215 to the mating surface of the
transmission case and the clutch housing, and
then install the clutch housing.
• Wipe off moisture and lubricant from the mating
surface, and then apply the gasket continuous-
ly with a diameter of 2 mm (0.079 in) or more.
Tighten:
Clutch housing to 46 N
⋅m (4.7 kg⋅m / 34 lb⋅ft)
11. Install the bearing rear outer race to the transmis-
sion case.
12. Install the spring pin; 4th-5th and 6th shift rod.
Caution:
When the snap ring is deformed or damaged, replace it
with a new one, and make sure it is completely installed.
13. Install the shim to the counter shaft rear bearing.
a. Shift the position to the neutral.
b. Set the transmission assembly with the clutch
housing faced down.
4
2
3
1
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MANUAL TRANSMISSION 7B-55
c. Revolve the counter shaft more then 30 times
and smooth the taper roller bearing.
d. Select the counter shim.
• Measure the depth at the points equally divided
into three from the end surface of the transmis-
sion case to the outer ring edge surface of the
counter shaft rear bearing, and then take an av-
erage of them.
• Select the shim whose thickness agrees with
the list below.
14. Install the snap ring to the main shaft rear bearing.
15. Apply engine oil 5W-30 to the needle bearing, in-
stall the reverse idle gear and needle bearing, and
then insert the reverse idle shaft.
• The arrow mark shows the direction of the
transmission front side.
16. Install the retainer to the transmission case.
Tighten:
Retainer to 26 N
⋅m (2.7 kg⋅m / 19 lb⋅ft)
Caution:
Clean up the sealing agent on the screw thread of the
transmission case and replace all screws with new
ones.
17. Install the collar and the speedometer gear.
18. Assemble the 6th clutch hub assembly (2) and the
sleeve (1) following the procedure below.
a. Assemble the insert (3) securely to the block
ring insert groove.
b. Install the insert spring (4) to the insert.
Measured value, mm (in)
Thickness of
applicable shim
more than — less than
3.34 — 3.40 (0.132 — 0.133)
3.19 (0.125)
3.28 — 3.34 (0.130 — 0.131)
3.13 (0.123)
3.22 — 3.28 (0.127 — 0.129)
3.70 (0.120)
3.16 — 3.22 (0.125 — 0.126)
3.01 (0.118)
3.10 — 3.16 (0.122 — 0.124)
2.95 (0.116)
3.04 — 3.10 (0.120 — 0.122)
2.89 (0.113)
2.98 — 3.04 (0.118 — 0.119)
2.83 (0.111)
2.92 — 2.98 (0.115 — 0.117)
2.77 (0.109)
2.86 — 2.92 (0.113 — 0.114)
2.71 (0.106)
2.80 — 2.86 (0.110 — 0.112)
2.65 (0.104)
2.74 — 2.80 (0.108 — 0.110)
2.59 (0.101)
2.68 — 2.74 (0.106 — 0.107)
2.53 (0.099)
2.62 — 2.68 (0.104 — 0.105)
2.47 (0.097)
2.56 — 2.62 (0.101 — 0.103)
2.41 (0.094)
2.50 — 2.56 (0.099 — 0.100)
2.35 (0.092)
2.44 — 2.50 (0.096 — 0.098)
2.29 (0.090)
2.38 — 2.44 (0.094 — 0.096)
2.23 (0.087)
2.32 — 2.38 (0.092 — 0.093)
2.17 (0.085)
2.26 — 2.32 (0.089 — 0.091)
2.11 (0.083)
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7B-56 MANUAL TRANSMISSION
Caution:
• When assembling the insert spring, equalize the
length of the both edges of the spring not to ad-
versely interfere with the inside diameter of the
hub.
• Make sure that the open part of the insert spring
assembled on the reverse side, is not aligned with
the open part of the front side.
c. Make sure the clutch hub (5) and the sleeve (6)
slide smoothly.
d. Install a new stopper plate to the clutch hub.
19. Apply engine oil 5W-30 to the needle bearing and
the block ring bore, assemble the 6th gear, the
needle bearing and the 6th block ring, align the as-
pect of the clutch hub block ring groove, assemble
the 6th clutch hub assembly and the sleeve, and
then press in them using the installer 5-8840-2244-
0 and a hammer.
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