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SECTION 6: HEATER INSTALLATION
Step 6.1 Tube Installation
NOTE: Tubing requires a downward
slope of 13 mm per 6,000 mm
away from burner. Tailpipe tubing
requires a downward slope of
25 mm per 6,000 mm away from
burner.
End View
Combustion
Chamber
Weld
Seam
Bottom
of Tube
Tube
2286 mm
Hanger
Turnbuckles
3,000 mm
maximum
Towards
Pump
Combustion
Chamber
3,000 mm
maximum
Part Number
91409XXX
91903201
03090100
Description
Tube
Turnbuckle
Tube/Reflector Hanger
Step 6.2 Coupling and Tube Assembly
Close Coupling with tab
A
B Start Slide Bar/Coupling Lock onto Coupling
Tab
Slide Bar
Wide End
Coupling
Open
76 mm to
101 mm
Closed
C Insert Tubes into Coupling
D Tighten Coupling to join Tubes
Slide Bar
Coupling
Orient coupling so that
the impact block is in the
2:00 or 10:00 o’clock
positions
Tube
Tube
Tube
Description
Coupling
Slide Bar/Coupling Lock
Tube
Part Number
01329600
01329700
91409XXX
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