Graco 309550Y important safety instructions Piston, Remove Front End

Repair

Piston

1. Follow Pressure Relief Procedure, page 15.

6. Liberally lubricate piston o-rings. Reinstall piston.

Shaft is keyed for proper assembly. Push firmly to seat piston.

2. Disconnect air (D) and remove fluid manifold (M).

M

D

TI2554A

3. Remove Front End, page 27.

4. Unscrew cylinder cap (5) and inspect o-ring (14).

5

14

TI2430A

5. Push piston shaft to remove piston (15). Inspect piston o-ring (16) and shaft o-ring (17).

15

16

17

TI2431A

TI2432A

7. Install cylinder cap (5).

5

TI2430A

8. Attach Front End, page 28.

9. Attach fluid manifold. Connect air. Return gun to

service.

32 309550Y