Schwank STW-JZ1 - Manual (Page 22)

22
STW-JZ / IW I&O Manual
IM101229
RL: 12A- BA
RD: DEC 2010
7) NOTE: 175,000 & 200,000 Btuh Systems:
 Refer to Section 9.1, Fig 13
The second tube is unpainted aluminized steel for the 175,000 & 200,000
FOR ALL OTHER FIRING RATES: See FIG 11 below
Slide the female end of the second tube over the swage of the first tube
a) Ensure that the swage on the first tube is fully inserted into the second tube
b) Adjust the hanger so that it is located on the second tube, approximately 2" (5 cm) from
the end of the tube – in this location the hanger supports both tubes.
c) Slide the Torctite coupler into position across the center of the joint
d) IMPORTANT: TOURQUE THE COUPLER BOLTS TO 40 ft-lbs
e) The coupler is now in place on the ‘burner-end’ side of the hanger
8) CHECK THAT THE SECOND TUBE IS LEVEL, ALIGNED HORIZONTALLY AND VERTI-
CALLY WITH THE FIRST TUBE – MAKE ADJUSTMENT AT SUSPENSION POINTS
AS REQUIRED—THE WELDED SEAM ALONG TUBE LENGTH MUST FACE DOWN
9) Install the reflector over the second tube and fasten to hanger at each end (See Section 10)
10) Repeat these steps assembling one section of tube and reflector at a time until the system
is complete
11) ENSURE THAT THE SYSTEM IS LEVEL AND THAT ALL TUBES ARE ALIGNED HORI-
ZONTALLY AND VERTICALLY – MAKE ADJUSTMENT AT SUSPENSION POINTS AS
REQUIRED—WELDED SEAM OF 1st & 2nd TUBES MUST FACE DOWN
(Continued on page 23)
1 . Upstream tube
2. Tube Coupler
3. Swaged section of upstream tube
4. Line of the joint—end of downstream tube
Once the two tubes are joined together, center
the Coupling over the joint and torque coupler
bolts to 40 ft/lbs.
4
3
2
1
FIGURE 11 TUBE COUPLER