Graco 306981AD- User Manual

306981 5 Installation General Information NOTE: Reference numbers and letters in parenthesesin the text refer to the callouts in the figures and theparts drawing. NOTE: Always use Genuine Graco Parts and Acces-sories, available from your Graco distributor. If yousupply your own accessories, be sure ...

6 306981 Installation Refer to the Typical Installation drawing (Fig. 2). WARNING A bleed-type master air valve (D) and a fluid drainvalve (J) are required in your system. These acces-sories help reduce the risk of serious injury, includ-ing skin injection and splashing of fluid in the eyesor on the...

306981 9 Operation Pressure Relief Procedure WARNING SKIN INJECTION HAZARDThe system pressure must be manuallyrelieved to prevent the system fromstarting or spraying accidentally. Fluid under high pressure can be injected through theskin and cause serious injury. To reduce the risk ofan injury from ...

10 306981 Operation Starting and Adjusting the Pump See Fig. 2 on page 7. Be sure the air regulator (E)and bleed-type master air valve (D) are closed. Do notinstall the spray tip yet! Connect a suction hose (N) to the pump’s fluid inlet.Hold a metal part of the spray gun (M) firmly to theside of a g...

306981 11 Operation Shutdown and Care of the Pump WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow thePressure Relief Procedure on page 9. For overnight shutdown, relieve the pressure. Alwaysstop the pump at the bottom of the stroke to preven...

12 306981 Troubleshooting NOTE: Check all possible problems and solutions before disassembling the pump. PROBLEM CAUSE SOLUTION Pump fails to operate. Restricted line or inadequate air supply. Clear line; increase air supply. Insufficient air pressure; closed orclogged air valves, etc. Open, clean. ...

306981 13 Service Disconnecting the Displacement Pump WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow thePressure Relief Procedure on page 9. 1. Flush the pump if possible. Stop the pump at thebottom of its stroke. Relieve the pressure. 2. D...

14 306981 Service Displacement Pump Service DisassemblyWhen disassembling the pump, lay out all removedparts in sequence, to ease reassembly. Refer to Fig. 5. NOTE: Repair Kit 235635 is available. For the bestresults, use all the new parts in the kit. Parts includedin the kit are denoted with an ast...

306981 15 Service Fig. 5 1 34 2 31 *30 *28 35 29 32 *18 20 24* 26 02504 02505 02505 *18 23* 23* 25* 24* 22 17* 26(Ref) 34 25* 33 36 35 (Ref) Torque to 55–65 ft–lb (74–88 N.m) Torque to 18–20 ft–lb (24–27 N.m) Lips of v-packings must face down. Lips of v-packings must face up. *19 36 (Ref) 35 (Ref) S...

37 14 7 12 4 3 13 15 02507 16 306981 Parts Model 221075, Series C30:1 Ratio President Pump, 55 gal. (200 liter) Drum Size Ref.No. Part No. Description Qty. 3 101946 PIN, cotter; stainless steel;0.12” (3.2 mm) x 1.5” (38 mm) 1 4 101566 NUT, lock; 3/8–16 3 7 156082 SEAL, o-ring; nitrile rubber 1 12 16...

306981 19 Parts Model 243663, Series AModel 223587, Series DSevere-Duty Displacement Pumps Ref.No. Part No. Description Qty. Ref.No. Part No. Description Qty. 17* 105444 BALL, piston; stainless steel;0.31” (7.9 mm) dia. 1 18* see chart V-PACKING 6 19* 164480 GASKET, flat; PTFE 1 20 24C500 SLEEVE, ho...

20 306981 Technical Data Category Data Maximum fluid working pressure Models 221075, 223586, and 243664: 3600 psi (25 MPa, 248 bar)Model 239327: 1500 psi (10.5 MPa, 105 bar) Maximum air input pressure Models 221075, 223586, and 243664: 120 psi (0.8 MPa, 8 bar)Model 239327: 100 psi (0.7 MPa, 7 bar) R...

306981 21 Technical Data To find Fluid Outlet Pressure (psi/MPa/bar) at a specific fluid flow(lpm/gpm) and operating air pressure (psi/MPa/bar): 1. Locate desired flow along bottom of chart. 2. Follow vertical line up to intersection with selected fluid outletpressure curve (black). Follow left to s...

306981 23 Dimensions Model 223586 Shown A B C Air Inlet President Pumps: 1/2 npt(f); Monark Pumps: 3/8 npt(f) 3/8 npt(f) Fluid Outlet 3/4 npt(m) Fluid Intake 02501 Pump Model A B C 223586 243664 30 in. (762 mm) 15 in. (381 mm) 15 in. (381 mm) 221075 47 in.(1194 mm) 15 in. (381 mm) 32 in.(810 mm) 239...