Peerless-AV DST940 - Installation - Manual (Page 5)

5 of 10 ISSUED: 08-10-09 SHEET #: 139-9011-2 04-29-10
Slide dual cross support ( B) onto end of extension
pipe (sold separately) followed by extension pipe
fiber washer ( F) and retaining collar (E). Tighten
retaining collar so that thread is securely engaged.
Align one small hole of retaining collar (
E) with slot
of the extension pipe as shown in figure 1.2. Insert
and tighten one M5 x 10 mm phillips screw ( G)
through hole of retaining collar into slot of extension
pipe.
Rotate dual cross support (
B) to desired position.
Drill 3/8" dia. hole into extension pipe through hole
of dual cross support ( B). Lock into place with 3/8"
bolt ( C) and nylock nut (D) as shown in figure 1.1.
Attaching Dual Cross Support To Extension Pipe
1
• Installer must verify that the supporting surface will
safely support four times the combined weight of all
attached equipment and hardware.
• For safety, retaining collar must be locked to exten-
sion pipe with screw.
WARNING
fig. 1.1
Attaching Extension Columns to Dual Cross Support
2
Thread extension column ( A) into bottom of
threaded fitting on dual cross support ( B) as shown.
Tighten extension column so thread is securely
engaged.
Align one small hole in the threaded fitting of dual
cross support ( B) with slot of extension column
( A) as shown. Insert and tighten one M5 x 10 mm
penta-pin screw ( J) through the hole of threaded
fitting and slot of extension column ( A).
Use the M5 penta-pin tool ( N) to tighten screw.
Repeat step two to attach second extension column
( A) to dual cross support (B).
Drill hole in
extension pipe
through existing
hole in dual
cross support
Extension pipe
VIEW FROM BELOW
fig. 1.2
Extension
Pipe
Small
Hole
Slot
Small
Hole
Slot
Threaded
Fitting
C
D
F
E
B
F
E
B
G
B
A
J