Tweco QCT-1 - Manual (Page 13)

CONDUCTOR TUBE ALIGNMENT FIXTURE
3-9
QCT-1
D. Set the conductor tube assembly on the radius
block and slide the conductor tube assembly
into the rear alignment block assembly.
E. Insert the factory supplied 5/32” allen wrench
into the conductor tube locking screw on the
rear alignment block assembly. Rotate the screw
clockwise until the conductor tube is held tightly
in place. Refer to Figure 11, on page 3-7.
F. Place the upper portion of the clamp block assembly
into its position and secure it with the two 1/2” hex
nuts.
G. Slide the adjustment bar assembly over the
nozzle spacer or the conductor tube assembly
and position the center of the adjustment bar as
shown in Figure 15.
inSTAllATion And opeRATion
19. If the alignment sleeve pin is not centered and requires
adjustments, follow the steps below:
A. Loosen the conductor tube locking screw on the
rear alignment block assembly.
B. Remove the conductor tube from the rear
alignment block assembly.
C. Position the machined radius block on the
fixture. Refer to Figure 14.
CLAMP BLOCK
RADIUS BLOCK
Figure 14: Small Radius Block in Position
H. Place the front alignment block back into its
position and secure with the two 5/16”-18 socket
head cap screws.
I. While holding the alignment sleeve assembly on the
front alignment block, slide the alignment sleeve
pin forward until it contacts the brass alignment
pin on the conductor tube. Refer to Figure 16.
Figure 15: Adjustment Bar Assembly to Conductor Tube
Assembly
ADJUSTMENT
BAR ASSEMBLY
CONDUCTOR TUBE
ASSEMBLY
ALIGNMENT
SLEEVE PIN
BRASS
ALIGNMENT
PIN
Figure 16: Alignment Sleeve Pin and Brass Alignment Pin
J. Determine what adjustments are required and
adjust accordingly.
K. Repeat Steps 14 and 15 until the alignment
sleeve pin is in the center of the brass alignment
pin and the alignment sleeve will slide over the
same alignment pin.
20. Remove the front alignment block assembly from the
fixture plate by removing the two 5/16”-18 socket head
cap screws.
21. Remove the adjustment bar assembly from the
conductor tube assembly.
22. Remove the conductor tube assembly from the rear
alignment block assembly by rotating the conductor
tube locking screw counterclockwise.
23. Remove the nozzle spacer and brass alignment pin
from the conductor tube assembly and replace these
items with the standard diffuser, tip, and nozzle
assembly.
NOTE
on the QTRW series conductor tube assemblies,
be sure the insulator ring is in place between
the conductor tube and diffuser.
24. The conductor tube assembly is now ready to be put
into operation.