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COUPLING ASSEMBLY
Key and Coupler:Tube and tube fittings are connected by wrap-
around couplings which clamp by means of a tapered,
hammer-driven lock member. The starting ends of
the coupling and lock member are identified by 1/4"
holes which are put together when starting assembly.
Be sure the tube ends are in line and tube ends butt
against stop pin(s) inside coupling. The slide bar is to
be hammer-driven to a point of securing the coupling
snugly to the tubes. Over-driving will result in distortion
of the coupling or slide bar lip to a point decreasing the
holding the capability of the coupling.
(See Figure 4A)
FIGURE 4A:
KEY for COUPLING
Loosen
Hole 2
Impact
Block
TUBE COUPLING
When assembling coupling note
the location of Hole 1 and Hole 2
Plain Coupling - 14612
Key for Coupling - 14616
Bolt Coupler:Tubes can also be connected using the provided bolt
couplers. Use the notch in the sleeve to see that both
tubes are aligned in the middle of the coupler and
there is no gap between them. Then tighten the bolts
on the coupler using a 9/16" wrench.
(See Figure 4B)
Figure 4B:
NOTCH
Bolt Coupler - 02946
Orient coupling so that
the impact block is above
tube centerline.
Tighten
Hole 1
Coupling
Assembly
Enerco | Heatstar ERSP Series Heater
FIGURE 5: Installation of Elbow & Coupling
Elbow Package:
Stk. # F106415 Elbow Package includes:
(1) elbow, (1) coupling. Install elbow
into radiant tube sequence where plans
indicate a 90° bend (see Figure 4).
(38.73 CM)
90°
Elbow Fitting Dimensions
Stk. # i
F106414 U-Tube Package
(1) U-tube, (1) coupling
Install U-tube elbow into
radiant tube sequence where
plans indicate a 180
bend
0
(see Figure 4)
(43cm)
U-Tube Fitting Dimensions
E-11
Operating Instructions and Owner's Manual
(15.24 CM)
ncludes:
(10cm)
18"
(45cm)
10"
(25cm)
180° U-Tube
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