Schwank STW-JZ1 - Manual (Page 24)

24
STW-JZ / IW I&O Manual
IM101229
RL: 12A- BA
RD: DEC 2010
TOOLS REQUIRED
¼” Drill Bit (supplied)  Electric Drill
SPECIAL COUPLER INSTALLATION
1. Slide the loosened tube coupler on to the first tube, past the swage
2. The second tube is supplied with a ¼” hole in the tube at the female end.
3. Slide second tube over swaged end of first tube so that ¼” hole is located 90° up from the
bottom surface of tube
4. Through the existing ¼” hole , drill a ¼” hole through the wall of the first tube
5. Insert ¼” rivet into the hole
6. Slide coupler into position – half onto each tube – covering the rivet head
7. Tighten coupler bolts to 40 ft-lb
8. Install reflectors
9.1 SPECIAL COUPLING: 175,000 & 200,000 Btuh
NOTE: The joint between the first and second tubes of the 175,000 & 200,000 heaters ex-
perience strong forces of expansion. Follow instructions below for Special Coupling of the
first to second tube.
FIGURE 13 SPECIAL COUPLING: 175,000 & 200,000 Btuh
- Fasten Second Tube to First Tube -
Steps 1 to 4 Step 5 Step 6
1/4” Rivet