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INSTALLING THE LFA 3.1 OR 4.1 ARM ON A WALL MOUNTING BRACKET
(continued)
MOUNTING THE LFA 3.1 OR 4.1 ARM TO THE WALL-MOUNTING BRACKET
The rotating hinge of the arm comes in three pieces: Metal rotating hinge, red plastic ring, and clamping pin. Refer to Figure 3. Mount the red plastic ring to the metal rotating hinge by fitting the clamping pin through the hole in the rotating rod, and snapping it into place on the
2
1
3
Rotate the hinge rod (Fig. 4, Item D) so the stop pin (Fig. 4, Item B) is in the front. Mount the hanging adapter (Fig. 5, Item D) to the hinge rod using (2) 1.75” bolts with washers and nuts. Mount the spring bracket (Fig. 5, Item F) into the two holes as shown. Position one 8” rubber band (Fig. 5, Item A) and the flexible hose supplied with the mounting bracket (Fig. 5, Item E) on the red plastic ring of the rotating hinge.
A
B
C
D
E
F
Fig. 5
Put another rubber band on the top of the arm. Use
(2)1.75” bolts with nuts to mount the arm (Fig. 6, Item B) to the hanging adapter (Fig. 6, Item A), using both mounting holes as indicated.
Fig. 3
Position the rotating hinge on the wall mounting brack- et (See Fig. 4) so that the cable hole (Fig. 4, Item A) is on the wall side. Use the four 3” bolts with washers and nuts to secure the rotating hinge to the wall mounting bracket.
C
A
B
D
A B
Fig. 6
Fig. 4
E
LFA 3.1 & 4.1 FUME EXTRACTION ARMS