Graco 277070 - Manuals - manualsarea.com

Page 2 - EQUIPMENT MISUSE HAZARD; Technical Data; MOVING PARTS HAZARD; Pressure Relief Procedure; SKIN INJECTION HAZARD; Get immediate surgical treatment.

2 310643 Table of Contents Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parts, Pump 2482...

Page 3 - Service; PRESSURIZED EQUIPMENT HAZARD; Pump Repair Kits; Tools Needed; WARNING; COMPONENT RUPTURE HAZARD

3 310643 Service Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. To reduce the risk of an injury from accidental spray from the gun, splashing fluid, or moving parts, follow the...

Page 4 - Repair When Pump Is Off The Sprayer; Disassembling the pump; Fig. 4. Tap piston rod out of cylinder with a hammer or

4 310643 Service Repair When Pump Is Off The Sprayer Disassembling the pump Fig. 1. Remove packing nut (202) and throat adjust- ment spacer (228). Fig. 1 7568A 228 ti2332a 202 Fig. 2. Unscrew intake valve from cylinder. Fig. 2 7569A Fig. 3. Disassemble intake valve. Clean and inspect. O-ring (227) m...

Page 7 - CAUTION; Do not slide piston assembly into top of sleeve as

7 310643 Service Fig. 14. Grease piston packings. Fig. 14 ti7578c CAUTION Do not slide piston assembly into top of sleeve as this may damage piston packing. Fig. 15. Slide piston assembly into bottom of sleeve. Fig. 15 7577A Fig. 16. Grease top inch or two of piston rod that will go through the cyli...

Page 9 - Repair When Pump Is On The Sprayer; To reduce the risk of serious injury,; Pressure Relief

9 310643 Service Repair When Pump Is On The Sprayer WARNING SKIN INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 3. Fig. 1. Remove intake valve. Fig. 1 ti4258a Fig. 2. Push up retaining spring (26). ...

Page 13 - packings begin to leak after much use. Then tighten

13 310643 Service Fig. 19. Grease o-ring (221) and place on sleeve. Slide sleeve/piston rod assembly into bottom of cylinder. Re- place o-ring (207) if desired.Note: O-ring (207) is not required for safe pump opera- tion. Fig. 19 207 221 ti4258a Fig. 21. Torque seal and packing nut (202) down onto t...

Page 14 - be flipped over and used on other side. Clean seat

14 310643 Service Fig. 23. 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. Fig. 23 227 7570f 230 212 214 Fig. 24. Install intake valve on cylinder. Torque: 70 +/--5 ft-lb (model 248204, 25305...

Page 15 - Maximum working pressure

15 310643 Service Fig 25 223 203 218 V-Max t UHWMPE, blue 208217 213 214 204 221 224 205 219 215 212 227 222 202 221 216 206 210 Leather Leather 201 220 228 207 V-Max t UHWMPE, blue Pump 248204 2 7683d 229 230 Technical Data Maximum working pressure 3300 psi . . . . . . . . . . . . . . . (227 bar, 2...

Page 16 - Ref; * These parts are also included in Repair Kit 248212,

16 310643 Parts -- Pump 248204, 277069, 255968 Model 248204, Series A; 277069, Series A; 255968, Series A Ref No. Part No. Description Qty. 201 179810 SEAL, throat 1 202 193046 NUT, packing 1 203* 192692 V-PACKING, throat, 3 V-Max t UHMWPE, blue 204* 15C987 GLAND, male, throat 1 205 CYLINDER, pump 2...

Page 18 - * These parts are also included in Repair Kit with

18 310643 Parts -- Pump 253056 Ref No. Part No. Description Qty. 201* § 179810 SEAL, throat 1 202 193046 NUT, packing 1 203* § 192692 V-PACKING, throat, 3 V-Max t UHMWPE, blue 204* § 15C987 GLAND, male, throat 1 205 287876 CYLINDER, pump 1 206* 105444 BALL, sst, 0.3125 in. (optional) 1 206 § 119259 ...

Page 19 - Notes

Page 20 - Graco Standard Warranty; ADDITIONAL WARRANTY COVERAGE; TO PLACE AN ORDER; Minneapolis; International Offices:

20 310643 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or li...