Step 6.4 coupling and tube assembly, Step 6.4.1 coupling and tube assembly (continued), 4 coupling and tube assembly – Roberts Gorden Low Intensity Unitary Heater Designed for Harsh Environments HE-40 User Manual
Page 27: 2" (5 cm)

SECTION 6: H
EATER
I
NSTALLATION
21
Step 6.4 Coupling and Tube Assembly
Step 6.4.1 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 6.4 A - D until all tubes are assembled.
Tighten slide bar as shown below