Graco Inc 965766, 965786, 965767, 308876, 965768 Service, Models 243482 and 243666 only

Service

(Models 243482 and 243666 only)

WARNING

SKIN INJECTION HAZARD

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure

Relief Procedure on page 8.

Disassembly

1.Relieve all air and fluid pressure.

2.Disconnect the valve from the system.

3.Remove the four nosepiece screws (15), and pull the nosepiece (40) away from the valve. Remove the snuff-back ring (41). See Fig. 5, page 14.

4.Use an 1/8 in. pin punch in the needle hole (A) to unscrew the needle (27). If the shaft (3) spins, insert a dowel pin in the shaft hole (B) to hold it steady, then unscrew the needle (27).

5.Remove the seat (25), gasket (38), and o-ring (39).

6.Remove the two fluid housing screws (23) and remove the fluid housing (26). Remove the primary fluid seal (22) from the fluid housing (26).

7.Pull the bearing/lube housing (19) from the air cylinder (1). Remove the bearing (21), bearing o-ring (16), and secondary fluid seal (20). Remove the grease fittings (18).

8.Remove the C-clip (12) from the back of the air cylinder (1). Push the shaft (3) into the air cylinder to dislodge the air cylinder cap (11). Remove the cap o-ring.

9.Remove the internal C-clip (12). Push the shaft (3) to dislodge the piston (10) assembly from the air cylinder (1).

10.Remove the pin (7), o-ring (9), and piston o-ring

11.Use a 1/4 in. pin punch to knock out the bearings

(5)and o-rings (4).

308876 19