Page 2 - Contents
2 Contents Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 General Information . . . . . . . . . . . . . . . . . . . . . . 5 Tighten Threaded Connections . . . . . . . . . . . . . . 5 Mount...
Page 3 - Warning
3 The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer backto these warnings. Additional, product-specific warnings may be foun...
Page 5 - Installation; General Information; Tighten Threaded Connections
Installation 5 Installation General Information • F IG . 3 on page 8 is only a guide for installing system components and accessories. It is not an actual sys-tem design. Contact your Graco distributor for assis-tance in designing a system to suit your particularneeds. • Always use Genuine Graco Par...
Page 6 - Mounting the Pump; Wall Mount Installation; Floor Stand Installation
Installation 6 Mounting the Pump For ease of operation and service, mount the pump sothe air inlet, fluid inlet, and fluid outlet ports are easilyaccessible. The inlet port must point down and the outletport must point up. Use 5/8 in. lag screws or bolts for mounting. Wall Mount Installation 1. Wall...
Page 7 - Air Line; Fluid Suction Line; Fluid Outlet Line
Installation 7 Air Line 1. Install the air line accessories as shown in F IG . 3. Mount these accessories on the wall or on abracket. Be sure the air line supplying the accesso-ries is grounded. a. Install an air regulator (C) and gauge to control the fluid pressure. The fluid outlet pressure will b...
Page 9 - Grounding
Installation 9 Grounding Ground all of this equipment: • Pump: use a ground wire and clamp. See F IG . 4. Loosen the grounding screw (X). Insert one end of a 1.5 mm 2 (12 ga) minimum ground wire (Y) into the pump’s grounding clamp (8) and tighten the screw(X) securely. Connect the other end of the w...
Page 10 - Operation; Pressure Relief Procedure; Starting and Adjusting the Pump; Pump Shutdown; Short Term Shutdown
Operation 10 Operation Pressure Relief Procedure 1. Shut off the air to the pump. 2. Open the dispensing valve, if used. 3. Open the fluid drain valve to relieve all fluid pres-sure, having a container ready to catch the drain-age. Flush the Pump Before First Use The pump was tested in oil. If the o...
Page 11 - Maintenance; Lubrication
Maintenance 11 Maintenance Lubrication Flushing and Storage Flush the pump with a compatible solvent often enoughto prevent the fluid you are pumping from drying in thepump and damaging it. Follow the Pressure Relief Pro- cedure on page 10 before storing it for any length of time. Tighten Threaded C...
Page 12 - Troubleshooting
Troubleshooting 12 Troubleshooting Relieve the pressure (page 10) before checking orservicing the equipment. Check all possible problems and causes beforedisassembling the pump. Problem Cause Solution Pump cycles at stall or fails to holdpressure at stall. Worn check valve balls (56), seats(53), or ...
Page 14 - Repair; Prepare the Pump for Repair
Repair 14 Repair Prepare the Pump for Repair 1. Flush the pump if possible, page 11. 2. Relieve the pressure, page 10. 3. Disconnect the air and fluid hoses. 4. Remove the pump from its mounting and take it tothe work bench. General Repair Notes Fault Indications During operation, check for indicati...
Page 15 - Replace the Diaphragms; Disassembly; Reassembly
Repair 15 Replace the Diaphragms Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (31) from one fluid cover (1).Pull the cover assembly off, separating it from thefluid tubes (12). See F IG . 6. 3. Remove the fluid tubes (12) from the other coverassembly. 4. Remove the screw...
Page 17 - Repair the Air Valve
Repair 17 Repair the Air Valve Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (31) from one fluid cover (1).Pull the cover assembly off, separating it from thefluid tubes (12). See F IG . 7. 3. Remove the screws (31) and the other fluid cover(1) assembly, keeping the fluid...
Page 19 - Replace the Ball Check Valves
Repair 19 Replace the Ball Check Valves Disassembly 1. Prepare the pump for repair, page 14. 2. Remove the screws (38) and take the tube assem-blies off the pump. See F IG . 8. 3. Remove the springs (65), ball guides (57), and balls(56) from the outlet (top) check valves. 4. Insert a dowel through t...
Page 23 - Parts
Parts 23 Parts Part No. 253707 includes items 1-81 Part No. 253708 includes items 1-8,10-59, 61-81 38 37 36 35† †33 †43 †44 †47 45 67 5 13* 12 13* 38 2 65‡ 57‡ 56‡ 55 ◆★ 54 59 ◆★ ‡53 1 31 65‡ 57‡ 56‡ 53‡ 59 ◆★ 58 3 38 13* 12 13* 68 66 68 7 22 ◆ 22 ◆ 11 20† 18 19† 21 14* 4 38 10 9 58 59 ◆★ ‡53 ‡56 ‡5...
Page 26 - Performance Charts
Performance Charts 26 Performance Charts CYCLES PER MINUTE AIR CONSUMPTION m 3 /min (scfm) FLUID OUTLET PRESSURE MPa, bar (psi) FLUID FLOW lpm (gpm); tested in No. 10 weight oil (280) (240) (200) (160) (120) (80) (40) 0 1.9, 19 1.7, 17 1.4, 14 1.0, 11 0.8, 8 0.6, 5.5 0.3, 2.8 22 43 65 87 109 130 152...
Page 27 - Dimensions
Dimensions 27 Dimensions Wall Mount Hole Pattern For Accessory Wall Mount Kit 245875 Torque Sequence 360 mm (14.2 in.) 318 mm (12.5 in.) 146 mm(5.7 in.) 160 mm(6.3 in.) 213 mm (8.4 in.) M8 MountingHoles Air Inlet; seepage 25 forsizes. Fluid Inlet;see page 25for sizes. Fluid Outlet;see page 25for siz...
Page 28 - Graco Standard Warranty; Graco Information
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 311689 Graco Headquarters: Minneapolis International Offices: Bel...