Changing The Liner - Bernard CLEAN AIR SERIES Owner's Manual

5-2 Changing the Liner

A. Changing Conventional Liner
1. Remove nozzle, contact tip, and gas diffuser/
retaining head and lay cable straight. Using a 10
mm wrench, turn liner lock counterclockwise until
it is free from the power pin. Remove liner from
gun assembly.
2. Insert new liner into power pin and feed through
gun using short strokes to prevent kinking. Twist
liner clockwise if necessary. Use a 10 mm wrench
to turn liner lock clockwise to tighten into power
pin.
3. Push liner into front of gun and trim to
dimensions shown in the liner chart below.
Remove all burrs from end of liner and replace
gas diffuser/retaining head, contact tip and nozzle.
New Liner Trim Lengths
Centerfire Diffuser Part #
™
D-1
DS-1
Quik Tip Diffuser Part #
™
D114Q
D118Q
TOUGH LOCK Retaining Head Part #
™
404-44
1 1/2"
1 1/4"
1"
3/4"
9/16"
1/2"
1/4"
0
B. Changing QUICK LOAD™ Liner
1. Remove the nozzle, contact tip and gas diffuser/
retaining head and lay cable straight. Pull the
QUICK LOAD Liner from the end of the neck
using pliers.
2. Remove the protective cap from the new QUICK
LOAD Liner and insert it through the neck using
the wire as a guide. Feed the liner through the
gun using short strokes to prevent kinking.
3. Once the liner stops feeding, give it an extra
push to ensure it is seated correctly. Push liner
into gun and trim to dimensions shown on
liner chart. Remove all burrs from end of liner
and replace gas diffuser/retaining head, contact
tip and nozzle.
Liner Trim Length
9/16"
14.3 mm
9/16"
14.3 mm
Liner Trim Length
9/16"
14.3 mm
3/4"
19.1 mm
Liner Trim Length
3/4"
19.1 mm
38.1 mm
31.75 mm
25.4 mm
19.1 mm
14.3 mm
12.7 mm
6.35 mm
0 mm
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