Graco-inc Series E Manuale Utente

INSTRUCTIONS-PARTS LIST307–760Rev GSupersedes E50 Hz, 220/240 Volts, 0.5 AmpPT2000 Pressure Roller System17.5 bar (250 psi) MAXIMUM WORKING PRESSUREMo

10307–760REPAIRWARNINGThese repair procedures should be performed onlyby qualified repair personnel with an electrical background, using the proper to

11307–760REPAIRPressure Switch (See Fig 11, 12 & 13)1. Disconnect the pressure switch leads from the ON/OFF switch and from the rectifier. See Fig

12307–760REPAIRDiaphragm (See Fig 14)CAUTIONTo avoid leaks and costly pump damage, replace thediaphragm whenever the pump housing (9) is re-moved or

13307–760REPAIRConnecting Rod and Bearing (See Fig 16)1. Remove the front cover plate (23). Remove thescrews (15) and tip the pump housing (9) out of

14307–760PARTS DRAWING44474546161011172722542120182324312970822641268325393367284253433371706534683738323053693615LUBRICATETHREADSTORQUE TO9.6 N.m (85

15307–760PARTS LISTPRESSURE ROLLER SYSTEMModel 220–240, Series E Complete SystemIncludes items 2–87Model 221–076, Series EBasic SystemIncludes items 2

16307–760PARTS LISTREF NO. PART NO. DESCRIPTION QTYREF NO. PART NO. DESCRIPTION QTY2 220–970 OUTLET VALVE KIT Includes items 2a–2f12a222–349 .FITTING

17307–760PARTS DRAWING34Ref 1092f2e2d2c2b2a12a1214TORQUE TO32–34 N.m(280–300 in-lbTORQUE TO13.5–16 N.m(120–140 in-lb2TORQUE TO6.2–7.4 N.m(55–65 in-lbA

18307–760ACCESSORIESMust be purchased separately.CAUTIONTo avoid premature wear of the pressure switch,never use more than 7.6 m (25 ft) of 6 mm (1/4

19307–760SERVICE INFORMATIONListed below by the assembly changed are OLD, NEW,ADDED and DELETED parts. OLD and NEW parts areinterchangeable. ADDED and

307–760TABLE OF CONTENTSTerms 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warnings 2. . . . . . . .

20307–760TECHNICAL DATAMaximum Operating Pressure17.5 bar (25l) psi). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Requirements50Hz

3307–760PT2000 PRESSURE ROLLER SYSTEM DESCRIPTIONMotorThe motor drives the connecting rod which moves the diaphragm.Pressure SwitchThe pressure switch

4307–760SETUPTo 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 nee

5307–760STARTUP1. Place the suction tube in the pail of paint.2. Plug in the sprayer.3. Open the priming valve 2 turns counterclockwise.4. Turn the ON

6307–760MAINTENANCEThorough flushing and proper maintenance are es-sential to keep your system working properlyImproper flushing or maintenance may pr

7307–760MAINTENANCEInstalling and Removing a Roller Cover (See Fig 4)1. To install a cover, hold the diffuser and unscrew theretainer nut. Slide the c

8307–760TROUBLESHOOTING GUIDEPressure Relief ProcedureTo reduce the risk of serious bodily injury, includinginjury from moving parts or electric shock

9307–760REPAIRRoller ValveWARNINGAlways follow the Pressure Relief ProcedureWarning on page 8 before attempting any repair.NOTE: Order repair kit no.