Graco Inc. Series E - Manual (Page 7)

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 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.
Fig 4
U-CUP SEAL
Grease lightly with petroleum jelly
Lips of seal must face diffuser
FRAME
DIFFUSER
SETSCREW
COVER
NUT
Fig 5
OUTSIDE END CAP
SCREW
DIFFUSER
INSIDE END CAP
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