Operation To Adjust the Fluid Pressure CAUTION Trigger the gun. Turn the fluid regulator setscrew (2) clockwise to the desired setting. Release the gun To avoid damaging the regulator diaphragm, never trigger, tighten the locknut (1), and install the acorn nut exceed 200 psi (1.4 MPa, 14 bar) Maximum Inbound (16).
Parts Ref. Ref. Part No. Description Qty. Part No. Description Qty. 100166 NUT, hex mach; No. 10–32 186203 COUPLING NUT; stainless steel 102433 SCREW, set, hex socket; 104338 SEAL, spring loaded; PTFE No. 10–32 x 3/4” 171887 BALL SEAT; PTFE 102980 NUT, hex;...
Page 5
Coupler Stems 208085 Ref. 223627 223628 Part No. Description Qty. 103337 O-RING; fluoroelastomer 168868 FITTING, coupler 168869 COUPLING NUT; 3/8 npsm(f) Fluid Regulators Model 223622 Series A Model 223621 Series A Model 208082 Series D Model 223623 Series A Includes items 1–18, 35, 36 Includes items 1–25...
Page 6
Parts Straight Adapters NOTES 3/8 npsm(m) Spring inside faces down Torque to 15–25 ft/lb (20–34 NSm) Model 223624 Series A TWIST LOCK COUPLER Includes items 3–13 02293 Ref. Ref. Part No. Description Qty. Part No. Description Qty. 186203 COUPLING NUT; stainless steel 170755 HOUSING, straight adapter 186202...
Page 7
Parts Straight Adapters Model 223625 Series A Model 208250 Series A TWIST LOCK COUPLER SLIP RING COUPLER Includes items 3, 4, 7, 24–27 Includes items 8, 9, 14–22 NOTES 3/8 npsm(m) Small hole faces down 02294 02296 Large chamfer faces up Torque to 15–25 ft/lb (20–34 NSm) Ref.
Page 8
Parts Circulating Adapters Model 223626 Series A Model 210097 Series B Model 214019 Series B TWIST LOCK COUPLER TWIST LOCK COUPLER TWIST LOCK COUPLER Stainless Steel Includes items 2, 3, 7, 8, Includes items 2, 3, 7–11, Includes items 4, 5, 7, 8, 10–16 26–30 15, 16 28**...
Accessories Accessories must be purchased separately PTFE Diaphragm 185028, with PET Backing Diaphragm 168880* Use when regulator must be submersed in a solvent incompatible with the buna-n backing of the standard diaphragm 178321. K The PTFE diaphragm must face the fluid, with the PET diaphragm used as backing.
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.