XCM1U Installation Instructions
6
INSTALLATION
IMPORTANT ! : The following procedure assumes that:
• a UL Listed CPA or CMA ceiling plate (not
included); AND
• a 1-1/2" NPT or NPSM following ANSI/ASME
B1.20.1 (Schedule 40, 0.154" minimum thickness
steel or aluminum-ASTM B221) threaded
extension column (not included); OR a UL Listed
Chief CPA Series extension column (not included)
has been properly installed following instructions
provided with ceiling plate and extension column.
NOTE: Proceed to Attaching Mount to NPT Column section
or Attaching Mount to CPA Extension Column
section, as appropriate.
Attaching Mount to 1-1/2" NPT Column
CAUTION: WATCH FOR PINCH POINTS! Do not place
fingers between moveable parts.
1. Insert two 5/16 x 3/4" set screws (W) into back of ceiling
mount (CC). (See Figure 1)
Figure 1
2. Slide ceiling mount (CC) up from below onto installed
column (not included). (See Figure 2)
3. Tighten two 5/16" set screws installed in Step 1 against
column.
4. Thread bottom coupling (BB) onto installed column until tight,
with a minimum of four threads engaged. (See Figure 2)
5. Install and tighten one 10-24 x 1/4" set screw (T) into bottom
coupling (BB). (See Figure 2)
Figure 2
6. Loosen two installed set screws (W), and slide ceiling
mount down extension column until it rests on the bottom
coupling (B). (See Figure 3)
7. Retighten two 5/16" set screws (W) against column. (See
Figure 3)
Figure 3
8. Proceed to Attaching Interface Brackets to Display
section.
(W) x 2
1
(CC)
2
5
(T)
(CC)
(BB)
4
7
(W) x 2
(B)
