Nissan March K13. Manual — part 656
INPUT SHAFT AND GEAR
TM-41
< UNIT DISASSEMBLY AND ASSEMBLY >
[5MT: RS5F91R]
C
E
F
G
H
I
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A
B
TM
N
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Check the following items and replace if necessary.
• Damage, peeling, bend, uneven wear, and distortion of shaft
• Excessive wear, damage, and peeling of gear
Synchronizer
Check for the following and replace if necessary.
• Contact surface breakage, damage, and unusual wear of coupling
sleeve and synchronizer hub.
• Coupling sleeve and synchronizer hub move smoothly.
• Breakage, damage, and excessive wear of baulk ring cam surface.
Bearing
Check bearing for damage and unsmooth rotation. Replace if neces-
sary.
PCIB0987J
SCIA1753J
SCIA0608J
MTF0041D
TM-42
< UNIT DISASSEMBLY AND ASSEMBLY >
[5MT: RS5F91R]
MAINSHAFT AND GEAR
MAINSHAFT AND GEAR
Exploded View
INFOID:0000000006056587
Disassembly
INFOID:0000000006056588
CAUTION:
• Fix mainshaft in a vise with backplate, and then remove gears and snap rings.
• For removal of snap ring, set snap ring pliers and flat pliers at
both sides of snap ring. While expanding snap ring with snap
ring pliers, move snap ring with flat pliers.
• Disassemble gear components putting direction marks on the
parts that never affect any functions.
1.
Mainshaft front bearing
2.
Mainshaft
3.
1st main gear
4.
1st baulk ring
5.
1st-2nd synchronizer hub
6.
1st-2nd coupling sleeve
7.
Spring
8.
Insert key
9.
2nd baulk ring
10.
Snap ring
11. Thrust washer
12. 2nd main gear
13.
3rd main gear
14. 3rd baulk ring
15. 3rd-4th synchronizer hub
16.
3rd-4th coupling sleeve
17. 4th baulk ring
18. 4th main gear
19.
Spacer
20. Mainshaft rear bearing
21. 5th main gear
: Apply gear oil.
: Replace the parts as a set.
for symbols not described on the above.
JPDIC0792GB
SCIA1755J
MAINSHAFT AND GEAR
TM-43
< UNIT DISASSEMBLY AND ASSEMBLY >
[5MT: RS5F91R]
C
E
F
G
H
I
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A
B
TM
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1.
Remove 3rd-4th synchronizer hub and 3rd baulk ring.
2.
Remove snap ring (1) and thrust washer (2).
3.
Remove 3rd main gear (1) and thrust washer (2).
4.
Remove snap ring (1) and thrust washer (2).
5.
Remove 2nd main gear (1) and thrust washer (2).
PCIB1559E
PCIB1560E
PCIB1561E
PCIB1562E
TM-44
< UNIT DISASSEMBLY AND ASSEMBLY >
[5MT: RS5F91R]
MAINSHAFT AND GEAR
6.
Remove snap ring (1), and then remove 2nd baulk ring.
7.
Remove 1st-2nd coupling sleeve, insert keys, springs, and 1st-
2nd synchronizer hub.
8.
Remove 1st baulk ring and 1st main gear (2).
Assembly
INFOID:0000000006056589
Note the following items, and assemble in the reverse order of disassembly.
CAUTION:
• Never reuse snap ring.
• For installation of snap ring, set snap ring pliers and flat pliers
at both sides of snap ring. While expanding snap ring with
snap ring pliers, move snap ring with flat pliers.
• Check that snap ring is securely installed to the groove.
• Apply gear oil to 1st baulk ring, 2nd baulk ring, and 3rd baulk
ring.
• Be careful with the orientation of 1st-2nd synchronizer hub.
• Replace 1st-2nd synchronizer hub and 1st-2nd coupling
sleeve as a set.
• Be careful with the orientation of 1st-2nd coupling sleeve.
JPDIC0541ZZ
SCIA1755J
A
: 1st main gear side
B
: 2nd main gear side
PCIB1566E
A
: 2nd main gear side
B
: 1st main gear side
PCIB1567E
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