Changing The Vacuum Hose; Changing The Power Pin - Bernard CLEAN AIR SERIES Owner's Manual

5-4 Changing the Vacuum Hose

5-5 Changing the Power Pin

1. Open the handle and remove the neck and trigger
by following the steps listed in the 'Changing the
Neck and Switch' section 5-3.
2. With a 1/4 counterclockwise rotation, remove
the vacuum hose rear cap from the rear strain
relief assembly. Slide the old vacuum hose
assembly forward and remove from cable
assembly.
3. Slide the new vacuum hose assembly over the
cable assembly and secure the vacuum hose rear
cap to the rear strain relief with a 1/4 clockwise
rotation.
4. Reassemble the handle and front end
components by following the steps listed in the
'Changing the Neck and Switch' section 5-3.
A. Universal Power Pin
1. Remove the liner by following the steps listed
in the 'Changing the Liner' section 5-2.
2. Remove the screw and vacuum hose assembly
from rear strain relief and slide rear strain relief
back over power pin. Position control lead wires
as necessary as not to damage them.
3. Use wrenches and rotate power pin in a
counterclockwise direction to remove it from
the adapter block.
4. Thread new power pin into adapter block and
use wrenches in a clockwise direction to thread
power pin into adapter block. Torque to 13 ft-lbs
(17.6 Nm).
5. Slide rear strain relief over power pin and locate
onto adapter block, aligning flats and screw hole.
Secure with screw. Position control lead wires in
cutout on side of strain relief. Close strain relief
top and secure with vacuum hose assembly by
rotating clockwise 1/4 turn.
6. Reinstall liner by following the steps listed in the
'Changing the Liner' section 5-2.
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