Graco FUSION 309550U - Manual (Page 28)

Repair
28 309550U
Attach Front End
WARNING
Read warnings, page 7. Proper attachment of front
end is critical. Do not operate gun if front end is loose
or lock ring is not snug against handle.
1.
Engage piston safety lock, page 10.
2.
Push on air cap (C) until it is flush with front of gun.
This ensures that mix chamber is all the way back.
TI2409A
C
TI2422A
3.
Check that o-ring (21) is in position. Liberally lubri-
cate o-ring, threads of lock ring (R) and handle (H),
and outside of lock ring. Orient front end (F) as
required for desired fluid manifold mounting (bot-
tom mounting is shown). Insert keyed end (W) of
mix chamber in socket (X). Screw lock ring onto
handle as far as possible by hand.
4.
Turn fluid housing 1/8 turn clockwise to engage
slots (Y) and tabs (Z). Push on front end to ensure
it is properly seated. Continue screwing lock ring
(R) onto handle (H) very securely. When properly
assembled, lock ring is snug against handle.
TI2416A
W X
R H
Y Z
F 21
R H
TI2423A