Mazda 1990 323 Workshop Manual Supplement page 365

TRANSAXLE AND TRANSFER UNIT
K2
03UOKX-26 ' 6
03UOKX-26
03UOKX-26
03UOK2-I 7
9MUOKl-23
Disassembly note
Snap ring
1. Install the
SST
to the 3-4 clutch as shown.
2. Compress the spring and retainer assembly.
3. Remove the snap ring.
4. Remove the
SST,
then remove the spring and retainer.
3-4 clutch piston
1. Remove the 3-4 clutch piston with the
SST
and compressed
air.
Inspection
Drive plates
1. Measure the facing thickness in three places, and deter-
mine the average of the three reading.
Standard: 1.6mm (0.063 in)
Minimum: 1.4mm (0.055 in)
2. If not within specification, replace the drive plate(s).
Spring and retainer assembly
1. Measure the spring free length.
Specifications
Outer dia. Free length
mm (in)
mm (in)
No. of coils
Wire dia.
mm (in)
74.4 (2.929) 40.5 (1.594) 1.0 5.0 (0.197)
2. If not within specification, replace the spring.
Clutch piston
1. Verify that there is no air leakage when applying compressed
air through the oil hole opposite the return spring.
2. Verify that there is air flow when applying compressed air
through the oil hole on return spring side.
Air pressure: 392 kPa (4.0 kg/cm2, 57 psi) max.
K2-189