Page 2 - Table of Contents; WARNING
Warnings 2 310643U Table of Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Parts - Pump 248204, 277069, 255968 . . . . . . . . . 14Parts - Pump 248205, 249057, 249059, 277070, 257146 ...
Page 3 - Service; Pressure Relief Procedure
Service 310643U 3 Service Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol. 1. Engage trigger lock. 2. Turn ON/OFF switch to OFF. 3. Unplug power cord. 4. Disengage trigger lock. Hold metal part of gun against grounded metal pail and trigger gun into pail t...
Page 4 - Disassembling the Pump
Service 4 310643U Repair When Pump is Separated From Sprayer Disassembling the Pump 1. Remove packing nut (202) and o-ring (228). 2. Unscrew intake valve from cylinder. 3. Disassemble intake valve. Clean and inspect o-ring (227). NOTE: A pick may be required to remove o-ring. 4. Tap piston rod out o...
Page 5 - Assembling the Pump
Service 310643U 5 6. Unscrew piston valve from piston rod. Clean and inspect parts. The piston has a special thread lock-ing/sealing patch. Do not remove the patch. The patch allows four disassembly/assembly procedures before it is necessary to apply thread sealant to the threads. 7. Remove packings...
Page 13 - Pump Packings
Service 310643U 13 24. Reassemble intake valve with new o-rings (227) and (230), seat (212) and ball (214). Seat may be flipped over and used on other side. Clean seat thoroughly. 25. Install intake valve on cylinder. Torque as follows: Pump Packings Models Torque 248204, 253056, 255968, 277069 70 +...
Page 14 - Series A
Parts - Pump 248204, 277069, 255968 14 310643U Parts - Pump 248204, 277069, 255968 Series A Ref. Part Description Qty. 201 179810 SEAL, throat 1 202 193046 NUT, packing 1 203* 192692 V-PACKING, throat, V-Max, UHMWPE, blue 3 204* 15C987 GLAND, male, throat, 1 205 CYLINDER, pump 243346 Model 248204, 2...
Page 17 - Technical Data
Technical Data 310643U 17 Technical Data U.S. Metric Maximum Working Pressure 3300 psi 227 bar, 22.7 MPa Fluid Inlet Size 1-5/16-12 un(m) 1-5/16-12 un(m) Fluid Outlet Size 248204, 255968, 277069 1/4 npt(f) 248205, 249057, 249059, 253056, 277070, 257146 3/8 npt(f) Wetted Parts stainless steel, PTFE, ...
Page 18 - 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. Original instructions. This manual contains English. MM 310643 Graco Headquarters: Minneapolis Int...