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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
(continued)
Position one 8” rubber band (Fig. 7, Item B) and the
flexible hose supplied with the arm (Fig. 7, Item C) on
the hood end of the arm (Fig. 7, Item A). Put the last
rubber band on the hood connection. Mount the hood
as shown in Figure 7.
Snap the hose running guard into place atop the mid-
dle hinge so the “nose” end faces the base of the arm
as shown in Figure 8.
Remove the plastic and tape packaging from the arm
sections. Adjust the friction of the arm and hood
movement as described in the maintenance section of
this manual. When set, seal all hose connections with
the rubber seals.
A-5
INSTALLATION
LFA 3.1 & 4.1 FUME EXTRACTION ARMS
A-5
If using a Lincoln SF2400 Stationary Fan:
MOUNTING THE SF2400 FAN TO THE WALL
MOUNTING BRACKET
Use the (2) 0.75” bolts and the (2) 2.5” bolts with
washers supplied with the fan to mount the fan
(Fig. 9, Item B) to the rotating hinge (Fig. 9, Item C)
as shown. Tighten all mounting bolts firmly to make
the seal at the inlet of the fan.
A Starter/Overload switch or Lamp Kit must be
installed to provide power to the fan. Refer to the
SF2400 Stationary Fan manual for instructions on
installation of a complete wall-mounted system.
A
B
C
A
B
C
D
Fig. 7
Fig. 8
Fig. 9