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Resumen del manual
(15 kg) 37 lbs. (17 kg) AMBIENT CONDITIONS Min. Temperature 41oF (5oC) Max. Temperature 113oF (45oC) Max. Rel. Humidity 80% PRESSURE DROP - SF2400 Fan and LFA 3.1/4.1 Arms Vacuum (Inches WG) Air Flow (CFM) NOTE: Technical Specifications are subject to change without prior notice. Specifications and guarantees are valid only when specified spare parts and filters are used. LFA 3.1 & 4.1 FUME EXTRACTION ARMS QEEïIEK ~ ELECTRIC I A-2 INSTALLATION A-2 Read this entire installation section before you start installation. SAFETY PRECAUTIONS Do not attempt to use this equipment until you have thoroughly read all installation, operating and maintenance information supplied with your equipment. They include important safety precautions and detailed operating and maintenance instructions. A WARNING ELECTRIC SHOCK can kill. • Do not touch electrically live parts such as internal wiring. • Turn the input power off at the fuse box before working on this equipment. • Have a qualified person install and service this equipment. If installing the arm on a Mobiflex 200-M. refer to the Mobiflex 200-M manual for installation information. If installing the arm on a Mobiflex 400-MS. refer to the Mobiflex 400-MS manual for installation information. If installing the arm with an SF2400 Fan, refer to the SF2400 Fan manual for installation information This manual covers installation of a: K1655-1 LFA3.1, 10 ft. Arm or K1655-2 LFA4.1, 13 ft. Arm on a K1657-1 Wall Mounting Bracket If installing the arm on an Extension Crane without a K1656-1 SF2400 Fan, refer to the Extension Crane manual for installation information. MOVING PARTS can injure. • Do not operate with covers open or filter removed. • Keep away from moving parts. Only qualified personnel should install, use or service this equipment. GENERAL DESCRIPTION Lincoln’s LFA extraction arms are spring-balanced for easy positioning. They are intended for use with a low-vacuum, high-volume extraction fan. The LFA arms are commonly installed on a Mobiflex 200-M mobile base unit with filter or with an SF2400 Wall-Mounted Extraction Fan, with or without a Statiflex 200-M Wall-Mounted Filter Unit. Extension Cranes are available in 7 ft. and 14 ft. lengths, with an optional Feeder Hanging Rail. Lamp Kits available for both the Mobiflex and Wall-Mounted Systems provide hood-mounted switches for the light and connected fan system. An Automatic Start/Stop Arc Sensor can be installed with either lamp kit to automatically start the connected extraction system (Mobiflex 200-M or SF2400 Fan) when the sensor detects a welding arc. Installation procedures for the K1655-1 and K1655-2, LFA 3.1 and 4.1 Extraction Arms have been combined; the difference between the arms is the length of the arm sections, which does not affect installation procedures. A WARNING The installer is responsible for following local safety codes and regulations. Before drilling, verify locations of existing gas, water, or electrical conduits. K1655-1 LFA 3.1 or K1655-2 LFA 4.1 Arm Includes: • Assembled arm pieces • Flexible hose, (2) 8” Rubber seals for hood hinge • (2) 8” Rubber seals for base hinge • Hood assembly • (2) Bolts, M8x1.25, 45mm long (about 1.75”) • (2) Nuts, M8 self-locking • Hose running guard - • Clamping pin for red plastic ring — • Metal rotating hinge • Red plastic ring K1657-1 Wall Mounting Bracket Includes: • (2) Bracket pieces • Hanging Adapter • Spring Bracket • Flexible Hose, (2) 8” Rubber bands for arm base • (2) Bolts, M8x1.25, 45mm long (about 1.75”) • (4) Bolts, M8x1.25, 75mm long (about 3.00”) • (6) Nuts, M8 self-locking • (6) Washers, M8 LFA 3.1 & 4.1 FUME EXTRACTION ARMS ELECTRIC 1 A-3 INSTALLATION A-3 INSTALLING THE LFA 3.1 OR 4.1 ARM ON A WALL MOUNTING BRACKET A WARNING Only qualified personnel should install, use or service this equipment. A CAUTION Leave the tape and plastic packaging on the extraction arm sections until the arm is completely installed (including mounting the hood). The arm is spring-balanced to compensate for the weight of the hood and will spring out quickly if it is not mounted securely, with the hood in place. MOUNTING THE WALL-MOUNTING BRACKET 1^ Fig. 2 Figure 2 shows drilling dimensions. Standard mounting height is approximately 7 ft. from the floor to the lower mounting holes. Figure 1 shows suggested mounting methods for installation on various wall types. Mounting on a steel I-beam using four LFA 3.1 & 4.1 FUME EXTRACTION ARMS ELECTRIC 1 A-4 INSTALLATION A-4 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 U...
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