Pg 4 of 20
1-800-892-3986
IS02157-I
1.
See the chart to determine what tubes (C), (D), (E) and spacers (F) are needed.
NOTE: No matter the distance, tubes (A) and (B) are ALWAYS used.
Opening Height
(see fig.1, 2)
Use Tubes (C), (D), and (E)
as Needed
Number of Spacers (F)
Used
60 - 61.5 in.
(D)
3
62 - 64 in.
(C)
2
64.5 - 67 in.
(C)
3
67.5 - 71 in.
(C) and (E)
0
71.5 - 73 in.
(C) and (E)
1
73.5 - 75 in.
(C) and (D)
0
75.5 - 78 in.
(C) and (D)
1
78.5 - 81 in.
(C) and (D)
2
81.5 - 84.5 in.
(C) and (D)
3
85 - 88.5 in.
(C), (D) and (E)
0
89 - 91.5 in.
(C), (D) and (E)
1
92 - 95 in.
(C), (D) and (E)
2
95.5 - 97 in.
(C), (D) and (E)
3
Opening Height: _________________________
Use Tubes: _______________________________
Number of Spacers (F) Used: ______________
STEP 2
