WPG VL411LDC Instructions Manual

WPG VL411LDC Instructions Manual

Vertical lifter 700 dc-voltage
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KEEP FOR FUTURE REFERENCE
INSTRUCTIONS
International Version
P.O. Box 368 – 908 West Main
Laurel, MT USA 59044
MODEL NUMBER:
VL411LDC
phone 800-548-7341
SERIAL NUMBER:
___________
phone 406-628-8231
fax 406-628-8354
(please see serial label and record number here)
VERTICAL LIFTER 700
DC-VOLTAGE
READ ALL INSTRUCTIONS AND WARNINGS
BEFORE OPERATING THIS LIFTER
DESIGNED FOR THE MATERIALS HANDLING PROFESSIONAL

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Summary of Contents for WPG VL411LDC

  • Page 1 KEEP FOR FUTURE REFERENCE INSTRUCTIONS International Version P.O. Box 368 – 908 West Main Laurel, MT USA 59044 MODEL NUMBER: VL411LDC phone 800-548-7341 SERIAL NUMBER: ___________ phone 406-628-8231 fax 406-628-8354 (please see serial label and record number here) VERTICAL LIFTER 700...
  • Page 3: Table Of Contents

    NSPECTION CHEDULE Every-Lift Inspection ..........................15 Frequent Inspection ........................... 15 Periodic Inspection ............................ 15 Infrequent Use ............................16 ......................16 ESTING CHEDULE Operational Tests............................16 Load Test ..............................16 ....................17 AINTENANCE CHEDULE ....................... 17 ATTERY Rev 19.3/9-18 VL411LDC: #35162...
  • Page 4 Replacing the Intake Valve Flapper ......................23 Replacing the Exhaust Valve Flapper and Head Gasket .................23 ..................24 ACUUM WITCH DJUSTMENT Vacuum Switch Function ..........................24 Conditions Requiring Readjustment ......................24 Adjustment Procedure ..........................25 REPLACEMENT PARTS LIST ..................26 LIMITED WARRANTY ....................27 Rev 19.3/9-18 VL411LDC: #35162...
  • Page 5: Specifications

    Model Number: VL411LDC Description: Designed for use with a crane or other hoisting equipment, the VL411LDC lifter employs vacuum to hold a load for lifting in the upright orientation. Power Source: 12 volts DC, 10 amps (with Thomas pump) or 3.5 amps (with Dynaflo pump)
  • Page 6: Warnings

    Wood’s Powr- Grip cannot be responsible for the safety of a lifter that has been modified by others. For consultation, contact Wood's Powr-Grip (see LIMITED WARRANTY). Rev 19.3/9-18 VL411LDC: #35162...
  • Page 7: Operating Features

    OPERATING FEATURES Note: Components featured in the following instructions for assembling, operating or maintaining the vacuum lifter are underlined on their first appearance in each section. Standard VL411LDC shown. 1 LIFT SLING 6 Enclosure with VACUUM PUMP, 11 CONTROL HANDLES...
  • Page 8: Assembly

    3) Connect the electrical connectors uniting the battery to the battery charger and the vacuum generating system. The lifter is now operational. 4) Perform Operational and Load Tests for the lifter as directed in MAINTENANCE: T ESTING CHEDULE Rev 19.3/9-18 VL411LDC: #35162...
  • Page 9: Intended Use

    Lifters that feature concave vacuum pads can also attach to some kinds of curved loads. Since curvature affects the lifting capacity, contact Wood’s Powr-Grip for help in determining the Maximum Load Capacity for a particular curved load. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 10: Operating Environment

    After the vacuum lifter has reached the end of its service life, you must dispose of the lifter in compliance with all local codes and regulatory standards that are relevant for the geographical region. Note: This lifter is equipped with a battery, which may be subject to special disposal regulations. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 11: Operation

    WARNING: Make sure alarm is clearly audible over ambient noise at operator position. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 12: The To Adspply Thehe Padsds Theto Ads Ltoadsd

    Although initially it may be difficult to apply the pad to a load, this condition should correct itself with continued use. Consult CE Standard EN 457 for alternative ways to determine whether the alarm is clearly audible to operators. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 13: Reading The Vacuum Gauge

    Certain load materials are too rough or porous to allow the lifter to form a seal which can be maintained for 5 minutes without power. However, in geographical locations where CE Standards do not apply, it may be possible to use the lifter to lift such loads. Contact Wood’s Powr-Grip for more information. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 14: T O Lift And Move The Load

    WARNING: Never attempt to lift load while alarm is sounding. Do not attempt to lift the load while the alarm is sounding; such an attempt could result in a load release and possible injury to the operator. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 15: Controlling The Lifter And Load

    Then push the valve handle inward to the “release” ( ) position (power off), as shown. Do not attempt to move the lifter until the vacuum pads TO RELEASE disengage completely from the load. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 16: After Using The Lifter

    Preferred temperatures for storing the battery are 32° to 70° Fahrenheit [0° to 21° Celsius]. Higher temperatures require the battery to be charged more frequently. Storage at temperatures above 100° Fahrenheit [38° Celsius] should be avoided. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 17: Maintenance

    CAUTION: Be sure to use appropriate cleaning methods for each type of electrical component, as specified by codes and standards. Improper cleaning can damage components. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 18: Infrequent Use

    V discussion for inspection, testing and adjustment ACUUM WITCH DJUSTMENT procedures. ASME Standard B30.20 requires the lifter to be tested to 125% of its Load Capacity. Flat Lifters are exempt from this requirement. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 19: Aintenance Chedule

    The battery charger must be disconnected from its AC power source in order to test the battery energy; otherwise, the energy reading on the battery gauge would not be accurate. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 20: Battery Recharge

    The charger is designed to automatically sense the energy level of the battery and reduce the charging rate when the battery is fully charged. Accordingly, the charger does not need to be unplugged until the lifter is going to be used again. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 21: Inspection

    If the lifter is equipped with VPFS10T or VPFS625 pads, the sealing edge is the replaceable sealing ring. When it is damaged, install a new sealing ring insert. In such cases, see T to follow. EPLACE EALING NSERT IN ACUUM Rev 19.3/9-18 VL411LDC: #35162...
  • Page 22: Vacuum Test

    If these cleaning methods are not successful, contact Wood’s Powr-Grip or an authorized dealer for assistance. Any test material used must be fully and independently supported, and capable of bearing the lifter’s weight. Do not use the lifter to lift the test material during the vacuum test. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 23: Air Filter Maintenance − Small

    The filter element kit may contain two sizes of bowl seals (O-ring type gaskets). If so, use the smaller bowl seal; or if in doubt, compare the old bowl seal to determine the appropriate size. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 24: Vacuum Pump Maintenance − Dynaflo Dv1032102

    Depending on the product, the head assembly (3) may be rotated to an orientation different from the one shown. When removing the head assembly, always take note of its orientation and install it the same way during reassembly. Make sure that the intake and exhaust ports remain in their original positions. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 25: Vacuum Pump Maintenance − Thomas 107Cdc20

    When removing the valve plate, always take note of its orientation in the pump head (2), and install the valve plate the same way during reassembly. In all cases, the valve plate must be oriented so that its intake hole is matched with the head port that connects to the check valve. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 26: Vacuum Switch Adjustment

    In order to observe lifter functions while vacuum is decreasing, it may be necessary to create a controlled leak in the vacuum system (eg, by breaking the seal between one or more vacuum pads and the test surface). Rev 19.3/9-18 VL411LDC: #35162...
  • Page 27: Adjustment Procedure

    When the vacuum switch is adjusted correctly, the vacuum pump turns off only vacuum increases to a level higher than the minimum lifting level; and the pump turns on again before vacuum decreases to a level lower than the minimum lifting level. Rev 19.3/9-18 VL411LDC: #35162...
  • Page 28: Replacement Parts List

    Shoulder Bolt – Socket Head – 5/16" x 1/2" x 1/4-20 Thread (for mounting pads) * Length as required; vacuum hose is sold by the foot (approx. 30.5 cm). SERVICE ONLY WITH IDENTICAL REPLACEMENT PARTS, AVAILABLE AT WPG.COM OR THROUGH AN AUTHORIZED WPG DEALER Rev 19.3/9-18 VL411LDC: #35162...
  • Page 29: Limited Warranty

    Contact your dealer or the Technical Service Department at Wood’s Powr-Grip Co. for assistance. Wood's Powr-Grip Co., Inc. 908 West Main St. / P.O. Box 368 Laurel, MT USA 59044 phone 800-548-7341 phone 406-628-8231 fax 406-628-8354 Rev 19.3/9-18 VL411LDC: #35162...
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