Graco Inc 307760, Series E, 221076, 220240 manual Installing and Removing a Roller Cover See Fig

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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 nut. Slide the cover and diffuser assembly off the roller frame. Press on the end of the diffuser assembly to separate it from the cover.

Cleaning the Roller Diffuser (See Fig 5)

1.For water base paint (latex), vigorously shake the diffuser in a pail of hot soapy water to remove undried paint. For oil±base paint, use mineral spirits. Use a soft brass bristle brush to remove dried paint.

2.To clear an obstruction in the frame, or for more thor- ough cleaning, remove the setscrew. Be sure to rein- stall it after cleaning.

3.Disassemble if further cleaning is needed.

a.Remove the two screws. Pull off the outside end cap. Disassemble all parts and clean thoroughly in water or mineral spirits.

b.Install the inside end cap on the frame. Lightly grease the u-cup seal with petroleum jelly. Slide the diffusers onto the roller frame. Twist and press the last diffuser to snap the pieces togeth- er.

c.Install the outside end cap and the two screws. Holding the inside end cap, press on the screws and rotate the diffusers to seat the screws. Tight- en the screws evenly into the inside end cap. Be sure there is no binding and that the diffusers move freely.

 

 

DIFFUSER

NUT

 

COVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SETSCREW

U-CUP SEAL

Grease lightly with petroleum jelly

FRAME

Lips of seal must face diffuser

Fig 4

SCREW

INSIDE END CAP

DIFFUSER

OUTSIDE END CAP

Fig 5

307±760 7

Image 7
Contents Bar 250 psi Maximum Working Pressure 50 Hz, 220/240 Volts, 0.5 AmpTerms Table of ContentsPT2000 Pressure Roller System Description Setup Operation StartupFlushing Latex Paint Only MaintenanceFlushing Oil±based Paint Only Cleaning the Roller Diffuser See Fig Installing and Removing a Roller Cover See FigPressure Relief Procedure Troubleshooting GuideRepair Rectifier See Fig ON/OFF Switch SeePower Supply Cord See Fig Fuse See FigOutlet Valve See Fig Pressure Switch See , 12Inlet Valve See Fig Suction Tube See Fig Diaphragm See FigPriming Valve & Tube See Fig 12 307±760Motor See Fig Connecting Rod and Bearing See FigSee Detail a 14 307±760 Parts DrawingModel 221±076, Series E Model 220±240, Series EModel 220±240, Series E Complete System Parts ListWiring Schematic Pressure Roller SystemRoller Valve Repair KIT 218±960 Ref No Roller Frame16 307±760 Dispensing Accessories Pump Housing PartsDetail a Accessories Assembly Part Name Changed Status Service InformationGraco Warranty and Disclaimers Technical Data