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KEEP FOR FUTURE REFERENCE
OPERATING
INSTRUCTIONS
INTENDED FOR USE BY SKILLED
PROFESSIONALS • READ AND
UNDERSTAND BEFORE OPERATING
QUADRA-TILT LIFTER
WITH FIXED 2-PAD FRAME,
AC-VOLTAGE
Model numbers: MTA29AC, MTA2HV11AC, MTA211LAC
Serial number: ___________________________ (to locate, see serial label on the product)
Rev 19.1/7-22
1
908 W. Main • P.O. Box 368
Laurel, MT USA 59044
800-548-7341 (phone)
406-628-8231 (phone)
406-628-8354 (fax)
www.WPG.com
MTA2-AC: #35098
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Summary of Contents for WPG MTA29AC
- Page 1 INTENDED FOR USE BY SKILLED www.WPG.com PROFESSIONALS • READ AND UNDERSTAND BEFORE OPERATING QUADRA-TILT LIFTER WITH FIXED 2-PAD FRAME, AC-VOLTAGE Model numbers: MTA29AC, MTA2HV11AC, MTA211LAC Serial number: ___________________________ (to locate, see serial label on the product) Rev 19.1/7-22 MTA2-AC: #35098...
- Page 2 MTA2-AC: #35098 Rev 19.1/7-22...
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Page 3: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS ..................3 SAFETY....................4 OPERATING FEATURES................5 ASSEMBLY....................6 INTENDED USE ..................8 .................8 HARACTERISTICS ................9 PERATING NVIRONMENT ................9 ISPOSAL OF THE IFTER OPERATION..................10 ................10 EFORE SING THE IFTER Taking Safety Precautions ....................10 Performing Inspections and Tests ..................10 ..............11 TTACH THE ADS TO A Generating Airflow......................11 Positioning the Lifter on the Load..................11... - Page 4 TABLE OF CONTENTS Rated Load Test.........................23 MAINTENANCE ..................24 ...............24 ACUUM AINTENANCE Pad-to-Load Friction Coefficient ..................24 Pad Inspection ........................24 Pad Cleaning ........................25 REPLACEMENT PARTS................26 LIMITED WARRANTY ................27 ...........27 BTAIN EPAIRS OR ARRANTY ERVICE MTA2-AC: #35098 Rev 19.1/7-22...
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Page 5: Specifications
3..Vacuum pads, filter elements and other wear-out items are excluded. 4..To view this guide, click the link at right. Additionally, you can search for your lifter's Model Number at wpg.com and select the "Troubleshooting" link on the product page. -
Page 6: Safety
SAFETY Wear personal protective Make sure the contact surfaces of equipment that is appropriate for the load and vacuum pad are clean the load material. Follow trade before attaching the lifter (see association guidelines. “MAINTENANCE”). Do not remove or obscure safety Position the vacuum pads correctly labels. -
Page 7: Operating Features
OPERATING FEATURES Features shown here are underlined on their first appearance in each section following. LIFT POINT VACUUM GAUGE LIFT BAR VACUUM PAD VACUUM PUMP AIR FILTER PAD FRAME VACUUM RELEASE BUTTON CONTROL HANDLES POWER SWITCH Note: A standard MTA2HV11AC is shown. Although some of the following photos do not show this specific lifter, they all illustrate how this kind of lifter functions. -
Page 8: Assembly
ASSEMBLY 1) Remove all shipping materials and save them with the shipping container for future use. Connect the power cable: Make sure power source has ground fault circuit interrupter. 2.1) Wire the female connector provided Wiring must be performed by to an appropriate power source, as qualified service personnel, taking indicated on the label attached. - Page 9 ASSEMBLY 3.4) Use the hoisting equipment to remove the lifter from the shipping container. Avoid damaging the vacuum pads. Remove the pad covers (fig. 4A) and save them for future use. 5) Perform tests as required under “T ”. ESTING Rev 19.1/7-22 MTA2-AC: #35098...
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Page 10: Intended Use
2..A “single piece” of material includes curtainwall assemblies, unitized glazing systems and similar construction units. 3..Vacuum pads made from a heat-resistant rubber compound can enable you to lift loads with higher surface temperatures. Contact WPG or an authorized dealer for more information. -
Page 11: Operating Environment
1..Although lifter use may be possible at higher elevation, lifting capacity is reduced whenever the lifter is unable to attain vacuum in the green range on the vacuum gauge. Contact WPG for more information. 2..Special provisions may allow the lifter to operate outside the specified temperature range. Contact WPG for more information. Rev 19.1/7-22... -
Page 12: Operation
OPERATION EFORE SING THE IFTER Determine whether the vacuum lifter is capable of each intended task (see “SPECIFICATIONS” “INTENDED USE”). Then complete the following preparations: Taking Safety Precautions • Be trained in all industry Read all directions and safety rules before using and regulatory standards lifter. -
Page 13: Ttach The Ads To Aoad
OPERATION TTACH THE ADS TO A Generating Airflow Place the power switch in the “on” position ( ), to engage the vacuum pump. Keep pump running throughout lift. The lifter is designed for the vacuum pump to run continuously. Placing the power switch in the “off”... -
Page 14: Reading The Vacuum Gauge
1..Although a vacuum pad may become distorted during shipping or storage, this condition should correct itself with continued use. 2..If the lifter is used above the maximum Operating Elevation (see “SPECIFICATIONS”), it may not be able to maintain sufficient vacuum for lifting. Contact WPG for more information. MTA2-AC: #35098... -
Page 15: Ift And Ove The Oad
OPERATION IFT AND OVE THE About the Tilt Linkage The tilt linkage minimizes operator effort and Unbalanced loads may tilt automatically holds a balanced load in either unexpectedly during lifter operation. the upright or the flat position. However, an Make sure load is positioned unbalanced load may tilt unexpectedly, correctly on lifter. -
Page 16: Interpreting The Vacuum Gauge
OPERATION Interpreting the Vacuum Gauge Vacuum is sufficient to lift the Maximum Never lift load unless vacuum Load Capacity whenever the vacuum gauge gauge registers in the green registers in the green range. range, because premature lifting could result in load release and personal injury. -
Page 17: Controlling The Lifter And Load
OPERATION Controlling the Lifter and Load When the lifter is ready, use the hoisting equipment to raise the lifter and load as needed. Use a control handle (circled in fig. 1A) to keep the lifter and load in the required position. Once there is enough clearance, you may move the load as required. -
Page 18: T O Tilt The Load
OPERATION ILT THE Keep hands and fingers away from tilt linkage. 1) Make sure the load has enough clearance to tilt without contacting anyone or anything. Use the control handles to keep the load under control at all times. Lift upward or press downward on the tilt control handle to tilt the... - Page 19 OPERATION A load with overhang may force you to release the control handle as the load approaches the flat position. In this case, use a hand cup (circled in fig. 3B) or other appropriate means to control the load. Rev 19.1/7-22 MTA2-AC: #35098...
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Page 20: T O Release The Pads From The Load
OPERATION ELEASE THE ADS FROM THE Make sure load is at rest and fully supported before releasing vacuum pads. Push the vacuum release button ( — fig. 1A), to break the vacuum seal. Continue to hold the release button Do not move lifter until pads release until the vacuum pads release the completely, because such movement load completely. -
Page 21: Storing The Lifter
OPERATION Storing the Lifter Disconnect the electrical connectors (figs. 1A-B). Use the covers supplied to keep the vacuum pads clean (fig. 2A). CE/UKCA — To prevent the lifter from tipping over on relatively horizontal surfaces, place the vacuum pads facedown on a clean, smooth, flat surface. -
Page 22: Inspections And Tests
2..The Periodic Inspection is also required whenever the lifter has been out of service for 1 year or more. Keep a written record of all Periodic Inspections. If necessary, return the lifter to WPG or an authorized dealer for repair (see “LIMITED... -
Page 23: Testing
12" Hg [-41 kPa] for 5 minutes. If not, lifting this load requires additional precautions (eg, a load sling). Contact WPG for more information. 8) Lower the load after 5 minutes or before the vacuum level diminishes to 12" Hg [-41 kPa]. -
Page 24: Operational Tests
INSPECTIONS AND TESTS Perform the following tests before placing the lifter in service initially, following any repair, when directed in the “I ”, or whenever necessary: NSPECTION CHEDULE Operational Tests Test all features and functions of the lifter (see “OPERATING FEATURES” and “OPERATION”). Vacuum Test 1) Clean the face of each vacuum pads (see “Pad... -
Page 25: Rated Load Test
7) Prepare a written report of the test and keep it on file. 1..An equivalent simulation may also be used. Contact WPG for more information. 2..A “qualified person” has successfully demonstrated the ability to solve problems relating to the subject matter and work, either by possessing a recognized degree in an applicable field or a certificate of professional standing, or by possessing extensive knowledge, training and experience. -
Page 26: Maintenance
MAINTENANCE Note: Refer to SERVICE MANUAL #35275 when applicable. ACUUM AINTENANCE Pad-to-Load Friction Coefficient The friction coefficient represents the lifter's ability to resist load slippage. The Maximum Load Capacity is based on a friction coefficient of 1, as determined by testing of clean, new, standard rubber vacuum pads on clean, dry, regular glass. -
Page 27: Pad Cleaning
4) Allow each pad to dry completely before using the lifter. 1..A brush with bristles that do not harm rubber can help remove contaminates clinging to sealing edges. If these cleaning methods are not successful, contact WPG or an authorized dealer for assistance. Rev 19.1/7-22... -
Page 28: Replacement Parts
Shoulder Bolt ‒ Socket Head ‒ 1/2" x 5/8" x 3/8-16 Thread (for tilt linkage) * — Length as required; vacuum hose is sold by the foot (approx 30.5 cm). SERVICE MANUAL #35275 for additional parts. ERVICE ONLY WITH IDENTICAL REPLACEMENT PARTS WPG.COM AVAILABLE AT OR THROUGH AN AUTHORIZED DEALER MTA2-AC: #35098... -
Page 29: Limited Warranty
Contact the WPG Technical Service Department. When factory service is required, ship the complete product – prepaid – along with your name, address and phone number to the street address listed at the bottom of this page. WPG may be reached by phone or fax numbers listed below. - Page 30 Laurel, MT USA 59044 800-548-7341 (phone) • 406-628-8231 (phone) 406-628-8354 (fax) • www.WPG.com INTENDED FOR USE BY SKILLED TECHNICAL PROFESSIONALS • READ AND UNDERSTAND BEFORE ROUTING, WIRING AND/OR ASSEMBLING QUADRA-TILT LIFTER WITH FIXED 2-PAD FRAME, AC-VOLTAGE Model numbers: MTA29AC, MTA2HV11AC, MTA211LAC...
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