2" (5 cm) – Roberts Gorden VANTAGE NP CTHN-200 User Manual
Page 29

SECTION 8: U
NITARY
L
INEAR
& U-T
UBE
H
EATER
I
NSTALLATION
23
Step 8.7 Coupling and Tube Assembly
Step 8.7.1 Coupling and Tube Assembly (Continued)
Tube
Tube
Orient coupling so that
the impact block is in the
2:00 or 10:00 oclock
positions.
Closed
Open
Tab
3" (8 cm) to
4" (10 cm)
Slide Bar/Coupling Lock
Coupling
Wide End
Coupling
Tube
Slide Bar/Coupling Lock
A
Close coupling
with tab.
B
Start slide bar/coupling lock
onto coupling.
C
Insert tubes into coupling.
D
Tighten coupling to join tubes.
Description
Part Number
Coupling
01329600
Slide Bar/Coupling Lock
01329700
Tube
91409XXX
Incorrect slide bar
position
Correct slide bar
dimensions
± 2" (5 cm)
Drive slide bar until tight.
End of slide bar should be
within tolerance listed below.
• Repeat Step 8.7, A - D until all tubes are assembled. See Page 24, Step 8.7.2.
NOTE: If coupling is not tight, loss of vacuum can occur.
Tighten slide bar as shown below.