Hitachi NT 65GB Technical Data And Service Manual page 37

• Firmly insert the Chamber Spring [73] into the spring insertion part of the Pushing Lever Arm
[77].
• Secure the Pushing Lever Arm [77] to the Chamber [16] by tightening the Seal Lock Hex.
Socket Hd. Bolt M4 x 10 [74], so that the contact surface of the Pushing Lever Arm [77]
contacts the upper side of the Chamber Stop Rubber [43], thereby preventing removal of the
Chamber Spring [73] from the Cylinder [42A] with support provided by the Pushing Lever Arm
[77].
Cylinder [42A]
Chamber Spring [73]
Spring mounting portion of the
Pushing Lever Arm [77]
Chamber Stop Rubber [43]
Pushing Lever Arm [77]
Contact surface
Pushing Lever Arm [77]
Fig. 30
-34-
Chamber [16]
Seal Lock Hex. Socket Hd.
Bolt M4 x 10 [74]