Ransburg DR-1 Fluid Regulator 74151 User Manual

SERVICE MANUALLN-9223-00.10(Replaces LN-9223-00.9)January - 2013MODEL: 74151IMPORTANT: Before using this equipment, carefully read SAFETY PRECAUT

DR-1 Fluid Regulator - Operation7OPERATIONThe DR-1 Regulator is designed to provide remote control uid regulation for automatic coating ap-plic

DR-1 Fluid Regulator - Introduction8NOTESLN-9223-00.10

DR-1 Fluid Regulator - Maintenance9MAINTENANCEPRELIMINARY PROCEDURESPrior to removing the regulator for service or repair, perform the following:1. I

DR-1 Fluid Regulator - Maintenance103. With a screwdriver, remove Item 16 (screw) from the diaphragm assembly.4. Separate Item 6 (lower diaphragm re

Figure 1: Regulator Cross-Sectional ViewDR-1 Fluid Regulator - Maintenance11 LN-9223-00.10

ASSEMBLY PROCEDURES(Refer to Figure 1)1. Inspect Item 11 (regulating needle and seat) for damage. If either of these items are damaged or the mating

TEST PROCEDURES(Refer to Figure 1)After repair is complete, test the regulator in the fol-lowing manner:1. Set air and uid regulators to zero and at

DR-1 Fluid Regulator - Maintenance14TROUBLESHOOTING GUIDEGeneral Problem Cause SolutionNo Fluid FlowFluid Will Not Shut OPaint LeakageAir LeakageLow

DR-1 Fluid Regulator - Maintenance15General Problem Cause SolutionInconsistent Fluid FlowHigh Fluid Flow1. Item 8 (lower diaphragm) stretched from

DR-1 Fluid Regulator - Maintenance16NOTESLN-9223-00.10

NOTE: This manual has been changed from revision LN-9223-00.9 to revision LN-9223-00.10. Reasons for this change are noted under “Manual Change

Figure 2: Regulator Cross-Sectional ViewDR-1 Fluid Regulator - Parts IdenticationPARTS IDENTIFICATION17 LN-9223-00.10

DR-1 Fluid Regulator - Parts Identication18 DR-1 Regulator Assembly Select Options Below Ratio 1:1 74151-11 Ratio 1:2 74151-01 Ratio 1:3 7

DR-1 Fluid Regulator - Parts Identication19Diaphragm Retainer, Lower 74156-00 1Needle and Seat, Regulating 74160-00 1Spring 74161-00 1RECOMMEND

NOTESDR-1 Fluid Regulator - Parts Identication20LN-9223-00.10

DR-1 Fluid Regulator - Warranty PoliciesWARRANTY POLICIES21LIMITED WARRANTYRansburg will replace or repair without charge any part and/or equipment th

22MANUAL CHANGE SUMMARYThis manual was published to replace Service Manual LN-9223-00.9, DR-1 Fluid Regulator, to make the following changes:1. Chang

Form No. LN-9223-00.10Litho in U.S.A.01/13© 2013 Ransburg. All rights reserved.Models and specications subject to change without notice.Manufacturin

CONTENTSDR-1 Fluid Regulator - ContentsSAFETY:SAFETY PRECAUTIONS...

SAFETY PRECAUTIONSBefore operating, maintaining or servicing any Rans-burg coating system, read and understand all of the technical and safety lite

DR-1 Fluid Regulator - Safety2AREATells where hazards may occur.HAZARDTells what the hazard is.SAFEGUARDSTells how to avoid the hazard.Spray AreaFire

DR-1 Fluid Regulator - Safety3AREATells where hazards may occur.HAZARDTells what the hazard is.SAFEGUARDSTells how to avoid the hazard.ElectricalEquip

4DR-1 Fluid Regulator - SafetyAREATells where hazards may occur.HAZARDTells what the hazard is.SAFEGUARDSTells how to avoid the hazard.Spray Area /Hig

INTRODUCTIONDR-1 Fluid Regulator - Introduction5SPECIFICATIONSAir Pressures: Variable by Control (Manual or Automatic) 100 psi (7 bar max.)Fluid In

DR-1 Fluid Regulator - Introduction6DR1 FLOW VS SIGNAL PRESSUREViscosity=40 sec.Zahn #215ft 1/4 I.D. tubing.093 oriceHIGHFLOW1:21:11:31:41:61:81:10V