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Installation
4 307016T
Installation
Connect the Fluid Hose
Regulators or Circulating Adapters
• Connect the fluid hoses to the 1/4 npsm(m) inlet and
return fittings.
Straight Adapter
• Connect a hose to the 3/8 npsm(m) inlet fitting.
Connect the Regulator or
Adapter to the Gun
Model 223622
• Screw the regulator union adapter onto the gun fluid
inlet.
Models with Twist-lock Couplers
• Screw the coupler stem onto the gun inlet. Connect
the twist-lock couplers by lining up the coupler slots
with the pins on the stem, pushing the coupler onto
the stem, then twisting the coupler clockwise to lock
it.
Models with Slip-ring Couplers
• Pull the slip ring back as you push the coupler onto
the stem.
Operation
To Adjust the Fluid Pressure
Trigger the gun. Turn the fluid regulator setscrew (2)
clockwise to the desired setting. Release the gun trig-
ger, tighten the locknut (1), and install the acorn nut
(16).
Service
To Clean or Service the
Regulator
1. Relieve the air and fluid pressures.
2. Disconnect the regulator from the gun and the
hoses from the regulator.
3. Disassemble the regulator. Refer to the Parts Draw-
ing.
4. Clean and inspect the parts carefully.
5. Replace worn or damaged parts and reassemble
the regulator. Be sure the nylon side of the dia-
phragm (12) faces the fluid.
Torque Notes:
Diaphragm Nut (3) onto Valve Stem (8):
6 to 10 in-lb (0.7 to 1.1 N•m)
Screws (5) into the Housing (18):
20 to 30 in-lb (2.3 to 3.4 N•m)
Cap (14) into the Housing (18):
10 to 15 ft-lb (13.5 to 20.0 N•m)
NOTICE
To avoid damaging the regulator diaphragm, never
exceed 200 psi (1.4 MPa, 14 bar) Maximum Inbound
Fluid Pressure to the regulator.
To reduce the risk of serious injury, including
splashing in the eyes or on the skin, always shut off
the air and fluid pressure to the gun and trigger the
gun to relieve pressure in the hoses before
disconnecting hoses from the regulator or adapter.