Graco 311688L important safety instructions Helicoil Installation, Replace the Diaphragms

Repair

Helicoil Installation

To replace broken or removed helicoils (56), order Heli- coil Repair Kit 24U929. Also order Helicoil Installation Tool, Graco PN 24U930.

1.Screw the helicoil insert onto the tool. Engage the tang of the insert in the driving contour of the tool.

2.Position the insert and tool squarely over the tapped hole.

3.Use slight pressure to rotate the tool until the insert is engaged in the tapped hole. Continue to rotate the tool until the top of the insert is 1/2 turn past the first fully formed thread.

4.Break the tang off cleanly at the notch in the bottom coil. Place a rod or screw driver against the tang and strike it sharply with a hammer.

Torque to 16 N•m (12 ft-lb). Use blue

1 Loctite or equivalent as needed. See General Repair Notes, page 13.

139

37

Housing Side 9*

56■

29*†‡◆

1

29*†‡◆

FIG. 4 Replace the Diaphragms

7

54

29*†‡◆

Cylinder Side 9*

37

29*†‡◆

38 1

ti2129c

311688L 15