Graco 307760 - Manuals - manualsarea.com

Page 2 - WARNING; Be sure all operators of this equipment read, understand,

307–760 TABLE OF CONTENTS Terms 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT2000 Pressure Roller System Description 3 . . . . . . . . . . . . Setup 4 ....

Page 3 - PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION

3 307–760 PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION Motor The motor drives the connecting rod which moves the diaphragm. Pressure Switch The pressure switch at the pump outlet turns the motoron and off to control paint pressure. Diaphragm The diaphragm is the heart of the pump. Driven by theconnecti...

Page 4 - SETUP; CAUTION; Assemble the system as shown in Fig 2, following the

4 307–760 SETUP To avoid premature wear of the pressure switch,never use more than 7.6 m (25 ft) of 1/4 in. ID outlethose. When longer outlet hose is needed, use 3/8in. ID hose at a maximum of 30 m (100 ft) long. Nev-er use 1/4 in. ID and 3/8 in. ID hose together. See ACCESSORIES, page 17, for order...

Page 6 - MAINTENANCE

6 307–760 MAINTENANCE Thorough flushing and proper maintenance are es-sential to keep your system working properly Improper flushing or maintenance may prevent thesystem from working the next time you need it, andmay result in costly damage to the system. ALWAYS flush your system thoroughly and imme...

Page 7 - Installing and Removing a Roller Cover

7 307–760 MAINTENANCE Installing and Removing a Roller Cover (See Fig 4) 1. To install a cover, hold the diffuser and unscrew the retainer nut. Slide the cover over the diffuser assem-bly and reinstall the nut. Do not overtighten the nut. 2. To remove a cover, hold the cover and unscrew the retainer...

Page 8 - TROUBLESHOOTING GUIDE

8 307–760 TROUBLESHOOTING GUIDE Pressure Relief ProcedureTo reduce the risk of serious bodily injury, includinginjury from moving parts or electric shock, alwaysfollow this procedure whenever you shut off the sys-tem, when checking or servicing any part of the sys-tem, and whenever you stop painting...

Page 9 - REPAIR; Roller Valve; Push on the needle until you feel some resistance.

9 307–760 REPAIR Roller Valve WARNING Always follow the Pressure Relief ProcedureWarning on page 8 before attempting any repair. NOTE: Order repair kit no. 218–960 to repair this roller valve. 1. Tap out the pin (A) and slide the trigger (B) off of thevalve. See Fig 6. 2. Remove the cap (C).Unscrew ...

Page 11 - Disconnect the pressure switch leads from the ON/

11 307–760 REPAIR Pressure Switch (See Fig 11, 12 & 13) 1. Disconnect the pressure switch leads from the ON/ OFF switch and from the rectifier. See Fig 11. 2. Remove the front cover (23). See Fig 13. 3. Unscrew the retainer (14) and remove the pressure switch (12) and o–ring (12a). See Fig 12. 4...

Page 12 - Diaphragm; Use a soft bristle brush to clean the top of the con-; then unscrew the stem of the handle.

12 307–760 REPAIR Diaphragm (See Fig 14) CAUTION To avoid leaks and costly pump damage, replace thediaphragm whenever the pump housing (9) is re-moved or after each 100 hours of use, whichevercomes first. During use, small grooves are formed inthe diaphragm which cannot be realigned properly. 1. Rem...

Page 14 - PARTS DRAWING

14 307–760 PARTS DRAWING 44 47 45 46 16 10 11 17 27 2254 21 20 18 23 24 31 29 708226 41 26 83 25 39 33 67 2842 53 43 33 71 70 65 34 68 37 38 32 30 53 69 36 15 LUBRICATE THREADS TORQUE TO 9.6 N.m (85 in-lb) See Detail A,page 17 52 52 48 49 Model 221–076, Series EBasic SystemIncludes items 2 – 54 and ...

Page 15 - PARTS LIST; PRESSURE ROLLER SYSTEM; Ref

15 307–760 PARTS LIST PRESSURE ROLLER SYSTEM Model 220–240, Series E Complete SystemIncludes items 2–87 Model 221–076, Series EBasic SystemIncludes items 2 – 54 and 65 – 87 NOTE: Part numbers and drawings for items 2, 3, 4, 9, 12, 14, and 55 – 64 are given on pages 16 and 17. REF NO. PART NO. DESCRI...

Page 18 - ACCESSORIES; Must be purchased separately

18 307–760 ACCESSORIES Must be purchased separately . CAUTION To avoid premature wear of the pressure switch,never use more than 7.6 m (25 ft) of 6 mm (1/4 in.)ID outlet hose. When longer outlet hose is neededuse 9 mm (3/8 in.) ID hose at a maximum of 30 m(100 ft) long. Never use 6 mm (1/4 in.) ID a...

Page 19 - SERVICE INFORMATION

19 307–760 SERVICE INFORMATION Listed below by the assembly changed are OLD, NEW,ADDED and DELETED parts. OLD and NEW parts areinterchangeable. ADDED and DELETED parts may notbe interchangeable individually. AssemblyChanged PartStatus RefNo. Part No. Name 220–970Outlet Valve OldNew 2a 220–952222–349...

Page 20 - TECHNICAL DATA; Maximum Operating Pressure; THE GRACO WARRANTY AND DISCLAIMERS; WARRANTY

20 307–760 TECHNICAL DATA Maximum Operating Pressure 17.5 bar (25l) psi) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Requirements 50Hz, 220/240 Vac, 1 Phase, 0.5 amp . . . . . . . . . . . . . . . . . . . . Pump Output 3.8 liter (1 gallon) in 5 minutes . . . . . . . . . . . . . ...