Nissan Primera P11. Instruction — part 513
Synchronizer
I
Check spline area of coupling sleeves, hubs and gears for
wear or cracks.
I
Check baulk rings for cracks or deformation.
I
Check insert springs for deformation.
I
Measure clearance between baulk ring and gear.
Clearance between baulk rings and gears,
for 1st and 4th gears only:
Standard
1.0 - 1.35 mm (0.0394 - 0.0531 in)
Wear limit
0.7 mm (0.028 in)
I
2nd and 3rd gears have inner and outer baulk rings and so
have different measurements.
I
Measure wear of 2nd and 3rd baulk ring.
a.
Place baulk rings in position on synchronizer cone.
b.
While holding baulk ring against synchronizer cone as far as it
will go, measure dimensions “A” and “B”.
Standard:
A
0.7 - 0.9 mm (0.028 - 0.035 in)
B
0.6 - 1.1 mm (0.024 - 0.043 in)
Wear limit:
0.2 mm (0.008 in)
c.
If dimension “A” or “B” is smaller than the wear limit,
replace outer baulk ring, inner baulk ring and synchro-
nizer cone as a set.
NMT022
Shifting insert
Spline
area
SMT140
Baulk ring to
gear clearance
SMT695B
Synchronizer
cone
Inner baulk ring
REPAIR FOR COMPONENT PARTS
RS5F32A
Mainshaft and Gears (Cont’d)
MT-27
Bearing
I
Make sure bearings roll freely and are free from noise, cracks,
pitting or wear.
I
The mainshaft front bearing cannot be re-used. It must be
replaced once removed.
ASSEMBLY
1.
Install 1st gear needle bearing, 1st main gear and baulk ring.
2.
Press on 1st & 2nd synchronizer hub.
SMT682B
Outer baulk ring
Synchronizer cone
SPD715
SMT689B
ST22452000
REPAIR FOR COMPONENT PARTS
RS5F32A
Mainshaft and Gears (Cont’d)
MT-28
I
Ensure correct fitting of 1st & 2nd synchronizer hub.
3.
Install 2nd synchronizer cone, outer & inner baulk ring and 1st
& 2nd coupling sleeve.
4.
Install steel ball, 2nd main gear, 2nd & 3rd bushing.
I
Apply gear oil to 2nd & 3rd gear bushing.
I
Apply multi-purpose grease to steel ball before installing
it.
I
2nd & 3rd bushing has a groove in which steel ball fits.
SMT701B
2nd
gear
1st
gear
SMT683B
SMT680B
2nd & 3rd gear
bushing
2nd gear
Steel ball
REPAIR FOR COMPONENT PARTS
RS5F32A
Mainshaft and Gears (Cont’d)
MT-29
5.
Install 3rd main gear, synchronizer cone, and outer & inner
baulk ring.
6.
Press on 3rd & 4th synchronizer hub.
7.
Install 3rd & 4th coupling sleeve and 4th baulk ring.
I
Ensure correct fitting of 3rd & 4th synchronizer hub.
8.
Install steel ball, 4th bushing and 4th main gear.
I
Apply multi-purpose grease to steel ball before installing
it.
I
4th bushing has a groove in which steel ball fits.
SMT690B
ST37750000
SMT702B
3rd
gear
4th
gear
SMT691B
Steel ball
REPAIR FOR COMPONENT PARTS
RS5F32A
Mainshaft and Gears (Cont’d)
MT-30
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