Graco 257100, Operation

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Using Finishing Tools
3A0245A 11
Using Finishing Tools
Corner Finishing
1. Attach corner finisher inlet swivel to inline valve
controller (JJ) valve using quick-connect clamp (QC)
attached to valve.
2. Press pin on top of corner finisher head to install
onto handle.
3. Use flow control knob (C) to set material flow rate.
Turn flow control knob clockwise to increase
material flow.
NOTE: Fine flow rate adjustments can be made
using “+” and “-” buttons on inline valve controller.
Flow rate can only be adjusted relative to position of
flow control knob. The fine flow rate can only go
down from, and up to the flow control knob setting.
4. Pull trigger and work from top to bottom of vertical
angles and from one end to other on ceiling angles.
5. Use drywall knife to detail corner and ceiling angle
intersections.
ti15681a
ti15666a
QC
ti15665a
ti8794a
C
+
-
ti15675a