- KB-428 Regulator Kit SI-6-10-18 [ English ]
Adjusting
screw
2
3
1
4
5
6
Ref.
No. Description Qty.
1 Bonnet & Adjusting Screw 1
2 Regulating Spring 1
3 Slip Ring 1
4 Diaphragm, PTFE 1
5 Valve Seat & Gasket Assy. 1
6 Valve, PTFE 1
7 Valve Spring 1
KB-428-1 Regulator Kit Parts List
Risk of injury from pressur-
ized components. Turn off
inlet air pressure and bleed
off remaining pressure be-
fore disassembly.
Nut
7
KB II Cup Lid
HARG
Regulator
Body
Used to repair - KB II style pressure cups
or HARG-510 regulator.
KB-428-1 REGULATOR KIT
SERVICE INSTRUCTION EN®
SI-6-10-18-R3
www.binks.com SI-6-10-18-R3 (08/2025)
DISASSEMBLY:
Risk of injury from pressurized components.
Turn off inlet air pressure and bleed off remain-
ing pressure before disassembly.
1. Turn regulator knob counterclockwise
until it stops.
2. �Unscrew the bonnet (1) from the regulator
body or pressure cup lid, remove adjusting
screw & nut, then the regulating spring (2),
slip ring (3) & diaphragm (4). Unscrew the
valve seat and gasket assembly (5) using
a screwdriver, then remove valve (6) and
valve spring (7).
CLEANING
1. Clean parts using warm water and soap.
2. Inspect all parts.
3. Replace damaged parts.
REASSEMBLY:
1. �At reassembly, apply a small amount of
lubricant, Spray Gun Lube, to adjusting
screw threads inside bonnet (1).
2. �Torque valve seat (5) to 4-6 inch pounds.
Torque bonnet (1) to 50-60 inch pounds.
WARRANTY POLICY
This product is covered by Binks’ materials and workmanship limited warranty. The use of parts
or accessories from sources other than Binks will void all warranties. Failure to follow reasonable
maintenance guidance provided can invalidate the warranty. For specific warranty information, please
contact Binks. For technical assistance or to locate an authorized distributor, contact one of our
international sales and customer support locations listed below.
REGION BINKS CONTACT WARRANTY PAGE
Americas Tel: 1-800-992-4657
Europe, Africa, Middle East Tel: +4401202571111
India marketingroa@binks.com
China Tel: +862133730108
Korea Tel: +82313663303
Japan Tel: +81457856421
Australia Tel: +61085257555
Binks is a global leader in innovative finishing technologies. Binks reserves the right to modify equipment specifications
without prior notice. Binks®, DeVilbiss® and Ransburg® are registered trademarks of Binks US, LLC.
®
©2025 Binks US, LLC. All rights reserved.
For additional information or copies of your service manual, please visit us online at: binks.com/en/library
EN WARRANTY
English
