Changing The Power Pin - Bernard Q20 Series Owner's Manual

5-5 Changing the Power Pin

Adaptor Nut
A. Universal Power Pin
1. Remove the liner by following the steps listed in the 'Changing
the Liner' section.
2. Use wrenches and rotate power pin in a counterclockwise
direction to remove it from the adaptor block.
3. Thread new power pin into adaptor block and use wrenches in
a clockwise direction to thread power pin into adaptor block.
Torque to 18 ft.-lbs. (24 Nm).
4. Reinstall liner by following the steps listed in the 'Changing
the Liner' section.
B. Euro Power Pin
1. Remove liner, strain relief cap/spring, strain relief top half,
screw cover and the screw that attaches the strain relief to the
Euro block.
2. Slide strain relief bottom toward cable, exposing Euro block.
3. Remove Euro block from end fitting using appropriate
wrenches in a counterclockwise rotation.
4. Disconnect the Euro block control leads from the gun by
cutting as close as possible on both sides of the butt
connectors to preserve wire length for later re-termination.
5. Remove Adaptor Nut and install onto new Euro block.
6. Assemble Euro block onto end fitting in a clockwise rotation
using appropriate wrenches. Torque to 18 ft.-lbs. (24 Nm).
Adaptor Nut should rotate freely.
7. Strip the cable control leads 1/4" (6.5 mm) and re-terminate
with appropriate butt connectors.
8. Align strain relief bottom with threaded hole in Euro block and
install screw, assemble strain relief and liner.
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