Page 24 Emhart Teknologies - 50 Shelton Technology Center, Shelton CT 06484 - Tel. (203) 924-9341 - Fax (800) 225-5614
Truss screw
Front Case
Lock screw
Control Nut
Projection
Press and turn
Nose Housing
Control Knob
Control Nut
•
Back off the POP Nut one rotation (one thread pitch) (Figure 7-6).
•
Unthread the Nosepiece until it is against the POP Nut flange.
•
Tighten the Nosepiece Lock Nut.
f) Screw the Lock Nut and the Nose Housing together to fasten the Nosepiece in place.
3. REPLACEMENT OF THE CONTROL NUT AND THE T-VALVE PUSH
ROD
If the Mandrel breaks or the screw thread of a POP Nut is broken due to excessive stroke, the
Control Nut and T Valve Push Rod may be damaged or broken.
Procedure
a) Disconnect the air supply.
b) Use a cross-head screwdriver to remove the truss machine screw and detach the Front
Case (Figure 7-7).
c) Use the 1.5mm hexagonal wrench (provided) to loosen the lock screw on the control nut
and turn the Control Knob counter-clockwise until the Control Nut reaches the end of its
travel (Figure 7-8).
d) Press the control knob and line up the projection on the Control Nut with the Nose Housing,
and then turn the Control Knob counter clockwise to remove the assembly. Remove these
parts as an assembly from the body of the tool (Figures 7-9 and 7-10).
e) Use the 1.5mm hexagonal wrench to loosen the lock screws of the Control Knob and the
Control Nut and remove them from the T Valve Push Rod (Figure 7-11).
Figure 7-7
Figure 7-8
Figure 7-10
Assembly
Figure 7-9
