Graco 308225K- User Manual

308225 6 Model Charts Pressure and Ratio Ratings for Bulldog Pumps WARNING COMPONENT RUPTURE HAZARD To reduce the risk of over-pressurizing a component, which can result in an explosion and serious injury, neveroperate the system at a working pressure higher than the lowest rated component in the sy...

308225 7 Typical Installation About the Typical Installations These pumps are designed to be part of a Hydra-Catdispensing system that will proportion, mix, anddispense two-component fluids. The typical installa-tions shown below and on page 8 are only guidelinesto setting up a complete proportionin...

308225 9 Installation Bare Pumps Bare pumps are available for those installations whichrequire a highly customized system. For a safe andefficient system, Graco recommends that the air andfluid components supplied with the Wall Mount andCart Mount models also be used in customizedsystems. Refer to t...

308225 10 Installation Grounding WARNING FIRE AND EXPLOSION HAZARDImproper grounding could cause staticsparking, which could cause a fire orexplosion. To reduce the risk of propertydamage or serious injury, follow thegrounding instructions below. The following grounding instructions are minimumrequi...

308225 11 Installation Air Control Accessories Install the accessories in the order shown in Fig. 4.Mount only the air regulator (E) and a master air valve(A) at the pump. Mount all other accessories on sepa-rate wall brackets to reduce stress on the pump inlet.Note that one air filter (B) can serve...

308225 12 Installation Automatic Pressure Relief Valves(continued) Two drainage bottle kits (38) are included with wallmodels (unassembled) and stand mount models(assembled) to catch the drainage if the automaticpressure relief valves (18) open. For the wall mount models, assemble the kit as shownin...

308225 13 Installation – Optional Fluid Heaters Fig. 8 201 202 203 204 10 201a 201b IN OUT 02913A WARNING INJECTION HAZARDTo reduce the risk of serious injury,follow the Pressure Relief Procedureon page 19 before installing the heaters. All Models NOTE: For systems requiring one heater for eachfluid...

308225 14 Installation – Optional Fluid Heaters IN OUT RESHEATER IN OUT HARDHEATER RES HARD RES RES HARD RES HARD Fig. 10 17A 17B 202A 202B 203B 203A 23 204B 205A FA FB 02894 For Three Displacement Pump Models NOTE: You must provide two hoses (FA, FB in Fig.10)and fittings to run from the heater out...

308225 15 Installation – Optional Solvent Pump NOTE: The optional solvent pump is not offered as akit; order parts as needed. The optional parts shownhere are listed on page 41. These instructions assumethat the pump is being mounted to the back of thestand offered in this manual. The Typical Instal...

308225 16 Flushing When to Flush the System D Flush the system before its first use to remove thelight oil which was left in after factory testing. D Flush the manifold mixer (N), using the solventpump, as frequently during the day as necessary toavoid exceeding the pot life limit of the materialbei...

308225 17 Flushing How to Flush the System WARNING HOT SURFACE HAZARDIf your system is equipped with heaters,always shut off the main power to theheaters before flushing. Circulate the fluid through the system for at least 10 minutes tocool the fluid and the heater. This reduces the riskof serious i...

308225 19 Operation Pressure Relief Procedure WARNING 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 inje...

308225 20 Operation Check the Drainage Bottles and Hoses WARNING INJECTION HAZARDTo reduce the risk of serious injury and propertydamage, regularly check and clean the drain hoseand bottle for the automatic pressure relief valve. If material is allowed to dry in and clog the drainhose, the automatic...

308225 21 Operation Startup WARNING INJECTION HAZARDTo reduce the risk of serious injury,follow the Pressure Relief Procedureon page 19 whenever you are instructedto relieve the pressure. Never exceed the maximum air and fluid workingpressure of the lowest rated component in yoursystem. See Equipmen...

308225 22 Operation Checking the Mix Ratio WARNING INJECTION HAZARDTo reduce the risk of serious injury,follow the Pressure Relief Procedureon page 19 whenever you are instructedto relieve the pressure. NOTE: Since this is a fixed ratio system, you typicallydo not have to check the mix ratio. If the...

308225 23 Shutdown and Care of the System WARNING INJECTION HAZARDTo reduce the risk of serious injury,follow the Pressure Relief Procedureon page 19 whenever you are instructedto relieve the pressure. System Shutdown To shut the system down, shut off the air to all pumps,trigger the dispensing valv...

308225 24 Troubleshooting WARNING INJECTION HAZARDTo reduce the risk of an injury frominjection, splashing fluid, or movingparts, follow the Pressure Relief Proce- dure on page 19 if the spray tip/nozzle clogs andwhenever you: D are instructed to relieve the pressure, D stop spraying, D check or ser...

308225 26 Service – Displacement Pump WARNING INJECTION HAZARDTo reduce the risk of serious injury,follow the Pressure Relief Procedureon page 19 whenever you are instructedto relieve the pressure. Removal and Replacement Thoroughly flush the system with a solvent which iscompatible to the fluid bei...

308225 27 Service – Displacement Pump Disassembly 1. Remove the locknuts (113) from the top of theyoke (114) of the two outer displacement rods. SeeFig. 22. Unscrew the outer locknuts (122) from thetop of the tie plate (121) on the two displacementpumps. Use a screwdriver and hammer to loosen. NOTE:...

308225 28 Parts – Bare, Two Pumps Model 231897 1 4 2 Torque to 53–67 ft-lb (72–91 N S m) Apply anaerobic sealant and torque to 100–200 ft-lb (135–270 N S m) Label 1 4 4 119 120 101 103 104 106 111 113 114 115 116 118 117 121 122 RES HARD 02915 109 105 107 108 112 1 2 1

308225 30 Parts – Bare, Three Pumps Models 231908, 231910, 231912, and 231915 126 101 1 4 2 Torque to 53–67 ft-lb (72–91 N S m) Apply anaerobic sealant and torque to 100–200 ft-lb(135–270 N S m) Label Apply stainless steel pipe sealant to all threadedconnections. 5 5 125 124 124 RES HARD RES 02916 1...

308225 32 Parts – Wall Mount, Two Pumps Model 231836 02917A 1 Apply stainless steel pipe sealant to all threadedconnections except at swivels. 1 1 1 1 1 1 1 1 1 1 1 1 11,12 13 14 10 1 15 16 17 18 38 23 13 26 27 19 20 21 22 33 32 34 35 36 37 29 30 31 11, 28 24 25 2 37

308225 34 Parts – Wall Mount, Three Pumps Models 231847, 231849, 231851, and 231854 02918A 1 Apply stainless steel pipe sealant to allthreaded connections except at swivels Included with bare pump 1 1 1 1 1 1 1 1 1 1 1 1 11, 12 13 14 2 10 1 15 16 17 18 38 23 13 26 27 42 20 21 22 33 41 34 35 36 37 29...

308225 36 Parts – Stand Mount, Two Pumps Model 231865 1 Apply anaerobic sealant and torque to10–15 ft-lb (14–20 N S m) 1 50 51 52 53 51 50 55 54 53 02919A 1 1

308225 37 Parts– Stand Mount, Two Pumps Models 231865 Ref.No. Part No. Description Qty. 1 231836 WALL MOUNT PUMP, seeparts on page 33 1 50 100321 NUT, hex, 1/2–13 unc 6 51 100018 LOCKWASHER, 1/2” 6 Ref.No. Part No. Description Qty. 52 217297 LEG, frame 2 53 100679 SCREW, hex cap head,1/2–13 unc (2a)...

308225 38 Parts– Stand Mount, Three Pumps Models 231876, 231878, 231880, and231883 02920A Apply anaerobic sealant and torque to10–15 ft-lb (14–20 N S m) 1 1 50 51 52 53 51 50 55 54 53 1 1 38j 38a 38b 38c 38d 38e 38f 38g 38h

308225 39 Parts – Stand Mount, Three Pumps Models 231876 through 231883 Ref.No. Part No. Description Qty. 1 see table WALL MOUNT PUMP, seeparts on page 35 1 50 100321 NUT, hex, 1/2–13 unc 6 51 100018 LOCKWASHER, 1/2” 6 52 217297 LEG, frame 2 53 100679 SCREW, hex cap head,1/2–13 unc (2a) x 3-1/2” 6 5...

308225 40 Accessories Parts for Installing Optional Heaters The following components are recommended to installthe heaters as instructed on page 13. Two displace-ment pump models need Items 201 to 204. Threedisplacement pump models need Items 201 to 205 andan additional resin and hardener hose of an...

308225 41 Accessories Parts for Installing Optional Solvent Pump Ref.No. Part No. Description Qty. 301 151519 NIPPLE, reducing, 1/4–19 nptmx 1/8–27 nptm 2 302 111913 COUPLING, hose, 1/4–18npsm, with spring guard, stain-less steel 2 303 061132 HOSE, nylon 1/4” ID x 36” long 1 304 206264 VALVE, needle...

308225 42 Accessories Air Control Accessories Bleed-Type Master Air Valve 300 psi (2.1 MPa, 21 bar) Maximum Working PressureRelieves air trapped in the air line between the pumpair inlet and this valve when closed. 107141 3/4 npt(m) inlet x 3/4 npt(f) outlet 107142 1/2 npt(m) inlet x 1/2 npt(f) outl...

308225 43 Dimensions 21–1/4” (540 mm) 32–3/4” (832 mm) 28–1/4” (718 mm) 17–3/4” (451 mm) 1 3 4 2 1 3 4 2 5 7 6 7 6 5 30–1/4” (768 mm) 11” (279 mm) 12–1/2” (318 mm) 01154 1 2 3 4 3.712” (94 mm) 3.46” (88 mm) 4” (102 mm) 2” (51 mm) 5/8–11 UNC (3) for pumpmounting 0.44” (11.1 mm) diameter (4) 5 6 2 1 3...

308225 45 Technical Data Pumps Air operating range . . . . . 40–100 psi (280–700 kPa, 2.8–6.37 bar) Air consumption . . . . . . . . See example belowFluid inlet size . . . . . . . . . 3/4 nptFluid outlet size . . . . . . . . 3/8 nptAir inlet size . . . . . . . . . . . 3/4 nptMaximum fluid outletpres...