DeVilbiss SRi Pro Manuel Technique page 11

PARTS REPLACEMENT/MAINTENANCE
NEEDLE PACKING INSTRUCTIONS
Replacing Needle Packing
13 . Remove trigger using a Star (T20) key . (See figs 25
& 26)
14 . Remove fluid adjusting knob and needle spring with
spring pad from gun . (See figs 27 & 28)
15 . Remove fluid needle from gun body . (See fig 29)
16 . Loosen and remove packing nut using a straight
blade screwdriver . (See figs 30 & 31)
17 . Discard old packing and packing spring if replacing .
Clean packing if reusing . Also clean packing spring
and nut . (See fig 32)
18 . Re-assemble the packing, (See fig 32) . Assemble
into gunbody by hand (see fig 33) and then tighten .
(See figs 30 and 31)
19 . Insert fluid needle all the way into gun body seating
in fluid nozzle . (See fig 34)
20 . Insert needle spring, spring pad, and fluid adjusting
knob . (See figs 28 & 27) . Reinstall trigger . (See figs
25 & 26)
21 . Trigger gun fully and screw in fluid adjusting knob
until it stops . Back it off 1/2 turn and gun will have
full needle travel .
22 . Trigger gun several times to verify correct operation .
SPREADER VALVE ASSEMBLY
REPLACEMENT/MAINTENANCE
The spreader valve assembly can be replaced if
damaged . Remove using a 14 mm wrench (See figs
35 & 36) . The internal seal can be replaced and is
included in the PRO Gun Rebuild Kit .
SB-2-855-B Page 11