Chief Manufacturing CMA-366 User Manual

INSTALLATION INSTRUCTIONS

TRUSS SPANNING ADAPTER

CMA-366

The bracket is a universal method for quick, easy installation of NPT 1½” pipe to or above a variety of
structures. By using any length of standard NPT 1½” pipe threaded both ends, you can extend the height
capabilities to meet your needs.

WARNING: IMPROPER INSTALLATION MAY RESULT IN SERIOUS PERSONAL INJURY!

When mounting Chief Manufacturing accessories, the structural system and mounting method
MUST be capable of supporting 5 times the combined weight of the total installation.
The maximum weight to be installed on the truss spanning adapter is 250 pounds (113.4Kg).

Unpack and check contents:
(1) PLATE, truss hang down (4) NUT, Nylock 3/8-16
(1) PLATE, ceiling, 4” X 4” (12) WASHER, flat, 3/8”
(2) CLAMP, U, 2”pipe (1) SETSCREW, 10-24 X ¼”
(4) BOLT, hex, 3/8-16 x 1” (1) WRENCH, Allen, 3/32”
(4) BOLT, hex, 3/8-16 x 2”

1. Secure the hang down truss plate to a structural member (see Figure 1) in the desired location using two
clamps, four 3/8-16 X 2” bolts, and four 3/8” flat washers (SEE WARNING ABOVE).

2. Secure the ceiling plate to the truss in the desired location using four 3/8-16 X 1” bolts, four 3/8-16
Nylock nuts, and four 3/8” flat washers.

3. Install NPT 1½” pipe and secure using 10-24 X ¼” setscrew.

Setscrew Location

Figure 1. CMA-366

CHIEF MANUFACTURING INC. 8803-000024
1-800-582-6480 952-894-6280 FAX [phone] Chief Manufacturing

12800 HIGHWAY 13 SOUTH, SUITE 500 www.chiefmfg.com
SAVAGE, MINNESOTA 55378 USA 06/03