SD7H15 Type C Service Manual
Prepared July 1999 – Application Engineering
10
Service Operations – Clutch
3.6 Armature Assembly Installation
1.
Install clutch shims. Note: Clutch air gap is determined by shim
thickness. When installing a clutch on a used compressor, try the original
shims first. When installing a clutch on a compressor that has not had a
clutch installed before, first try 1.0, 0.5 and 0.1mm shims.(Fig.11)
2.
Reinstall the armature on the splined shaft. Manually push the armature
down the shaft until it bottoms on the shims.
3.
Replace retaining nut and torque to specification. M8- 18.0
±
3.0N
•
m
4.
Check air gap with feeler gauge. Specification is 0.4-0.8mm. If air gap is
out of specification remove armature and change shims as
necessary.(Fig.13)
5.
Replace armature dust cover (if used) Reapply thread lock and torque 3
bolts to 3.50
±
0.5N•m
Fig.11 Replace shims
Fig.12 Torque armature retaining nut
Fig.13 Check air gap with feeler gauges