Primary Shaft; 3Rd Gear, 4Th Gear - Mazda 121 Workshop Manual

J
TRANSAXLE
3FD GEAB
Pdmary Shatl
Note
. ll the prlmary shaft is replaced, adiust the bearing
pretoad. (Reler io Page J-39.)
1. Inspect the primary shaft runout
Maximum runout: 0.0lsmm (0.0005 in)
2. Inspect the splines tor damage and wear.
3. Insbect the gear teeth for damage' wear, and cracks
4. Inspect the oil passage for blockage.
3rd gear, 4th gear
'1. l\,leasure the clearance between the shaft and gears
B A
2. Inspect the synchronizer cones lor weat.
3. Inspect the gear teeth for damage, wear' and cracKs.
4. Insbect the Contact surfaces of the synchronizer ring and
the 3rd/4th gear for wear and cracks
Bearing
Insoect the bearing ior damage or rough rotation.
0rFoJx063
J-28
mm (.n)
Shaft srde
(outer diameleo
Ge side
(inner diamelet
3rd gear side A
32.945-32.970
(1 .297- 1 .298)
33.000-33.025
(1.299-1.30O)
4th geff side B
2A.545-28.570
0 .123-1 .125)
2A.6@-24.621
l1 .126-1 .127 )