Seeley AIRA ATH Series Installation, Operation & Service Manual page 33

Vacuum assisted linear, double linear, u-tube, and multi-burner gas fired heating systems
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A
ATH I
O
IRA
NSTALLATION
PERATION AND
Step 7.5 Coupling and Tube Assembly
A
Close coupling
with tab.
Open
Closed
C
Insert tubes into coupling.
Tube
Step 7.5.1 Coupling and Tube Assembly (Continued)
Tighten slide bar as shown below.
Correct Slide Bar
dimensions
30 of 73
S
M
ERVICE
ANUAL
Orient coupling so that
the impact block is in the
2:00 or 10:00 o'clock
positions
Tube
Drive slide bar until tight.
End of slide bar should be
within tolerance listed below.
± 50 mm
• Repeat Step 7.5 A - D until all tubes are assembled.
B
Start slide bar/coupling lock
onto coupling.
Tab
76 mm to
101 mm
D
Tighten coupling to join tubes.
Description
Coupling
Slide Bar/Coupling Lock
Tube
Incorrect Slide Bar
position
Slide Bar
Wide End
Coupling
Slide Bar
Coupling
Tube
Part Number
01329600
01329700
91409408

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