28
Section IV – Pipeline Under Pressure
2.0 Continued
2.2 Prepare Drilling Machine
A. Apply thread sealant to the adapter threads a
nd
t
hen thread the adapter on to the drillin
g
m
achine.
B. Extend the boring bar by rotating the feed tub
e
c
lockwise until the retainer spring can be
removed (Figure 4.4).
C. Remove the retainer spring.
D. Remove the cutting assembly (Figure 4.5).
E. Ensure that the drilling machine is set up with the
drilling machine adapter for PIG-SIG
V
in
stallation (no. 00-0706-0016-00).
F. Inspect the PIG-SIG V Plug holder (no. 00-8138-
0000-00) for damage. Ensure that the retainer
balls are firm and will not allow the PIG-SIG V to
fall off the plug holder.
G. Insert the plug holder into the end of the boring
bar (Figure 4.6).
H. Attach the retainer spring (Figure 4.7).
Figure 4.6. Insert Plug Holder
Figure 4.7.Attach Retainer Spring
Figure 4.4. Extend the Boring Bar
Figure 4.5. Remove the Cutting
Assembly