Graco 309550U important safety instructions Attach Front End, X Z

Repair

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.

TI2409A

2. Push on air cap (C) until it is flush with front of gun.

This ensures that mix chamber is all the way back.

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.

Y W X Z

F 21 R H TI2416A

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.

RH

TI2423A

28 309550U