IBM 7012 300 Series Installation And Service Manual page 108

Replacement
Replace in reverse order.
Cover Lock
Retainer
Ring
Cover Lock
Retaining Latches
Key Lock
Keyway at top on Models 340,
350, 355, 360/36T, 365, 370/37T,
and 375.
Cover Lock
Cover Lock
Key Lock
Keyway on Models 380, 390,
39H, and 397
Mode Switch
Connector
Retainer
Ring
Mode Switch
Retaining Latches
Removal and Replacement Procedures
Connector
3-49