WPG MRTALP4625DC3 User manual

KEEP FOR FUTURE REFERENCE
OPERATING INSTRUCTIONS
MODEL NUMBERS: MRTALP4625DC3,
MRTALP410TDC3
SERIAL NUMBER: ___________
(please see serial label and record number here)
LOW-PROFILE MANUAL ROTATOR / TILTER 600
DC-VOLTAGE, WITH INTELLI-GRIP®TECHNOLOGY
& PAD FRAME T-ARM ASSEMBLIES
(AVAILABLE WITH REMOTE CONTROL SYSTEM)
READ ALL INSTRUCTIONS AND SAFETY RULES
BEFORE OPERATING THIS LIFTER
DESIGNED FOR MATERIALS HANDLING PROFESSIONALS
908 West Main St –P.O. Box 368
Laurel, MT USA 59044
406-628-8231 (phone)
800-548-7341 (phone)
406-628-8354 (fax)

Rev 5.2/9-19 1 MRTALP4-DC3: 35058
TABLE OF CONTENTS
SPECIFICATIONS............................................................................................................ 3
SAFETY............................................................................................................................ 4
OPERATING FEATURES................................................................................................... 5
ASSEMBLY....................................................................................................................... 6
TO INSTALL/REMOVE T-ARM ASSEMBLIES ....................................................................................7
TO INSTALL/REMOVE VACUUM PADS ............................................................................................ 8
TO POSITION VACUUM PADS ....................................................................................................... 8
TO REPOSITION THE T-ARM CROSS MEMBERS ...............................................................................8
Connecting/Disconnecting Vacuum Hoses...............................................................................................................................9
INTENDED USE ............................................................................................................. 10
LOAD CHARACTERISTICS .......................................................................................................... 10
OPERATING ENVIRONMENT .......................................................................................................10
DISPOSAL OF THE LIFTER..........................................................................................................11
OPERATION .................................................................................................................. 12
BEFORE USING THE LIFTER .......................................................................................................12
Taking Safety Precautions ..................................................................................................................................................... 12
Selecting a Screen Language ..................................................................................................................................................12
Performing Inspections and Tests ..........................................................................................................................................13
Preparing to Use the Remote Control System ...................................................................................................................... 13
TO ATTACH THE PADS TO A LOAD ...............................................................................................14
Positioning the Lifter on the Load ..........................................................................................................................................14
Powering up the Lifter............................................................................................................................................................15
Sealing the Pads on the Load .................................................................................................................................................16
Reading the Vacuum Gauges..................................................................................................................................................16
Vacuum Level on Optimal Surfaces ........................................................................................................................................17
Vacuum Level on Other Surfaces ...........................................................................................................................................17
TO LIFT AND MOVE THE LOAD.................................................................................................... 18
About the Tilt Linkage ............................................................................................................................................................18
Interpreting the Lift Light .......................................................................................................................................................18
Watching Vacuum Indicators ................................................................................................................................................. 18
Controlling the Lifter and Load...............................................................................................................................................19
In Case of Power Failure.........................................................................................................................................................19
TO ROTATE THE LOAD ..............................................................................................................20
TO TILT THE LOAD ...................................................................................................................21
TO RELEASE THE PADS FROM THE LOAD....................................................................................... 22
AFTER USING THE LIFTER ......................................................................................................... 23
Storing the Lifter.....................................................................................................................................................................23

Rev 5.2/9-19 2 MRTALP4-DC3: 35058
MAINTENANCE ............................................................................................................. 24
INTELLI-GRIP®DIAGNOSTIC CODES...........................................................................................24
INSPECTION SCHEDULE ............................................................................................................28
Infrequent Use ....................................................................................................................................................................... 29
TESTING ................................................................................................................................30
Operational Tests................................................................................................................................................................... 30
Load Test................................................................................................................................................................................ 30
12-VOLT BATTERY ASSESSMENT ................................................................................................30
12-VOLT BATTERY RECHARGE ...................................................................................................31
NOTIFICATION BUZZER BATTERY TEST ........................................................................................31
VACUUM PAD MAINTENANCE .....................................................................................................32
Pad-to-Load Friction Coefficient ............................................................................................................................................ 32
Pad Inspection........................................................................................................................................................................ 32
Pad Cleaning........................................................................................................................................................................... 32
VACUUM TEST .........................................................................................................................33
REMOTE CONTROL SYSTEM TEST ................................................................................................33
TO REPLACE SEALING RING IN VPFS10T PADS ...........................................................................34
TO REPLACE PAD INSERTS IN VPFS625 PADS .............................................................................35
REPLACEMENT PARTS LIST .......................................................................................... 37
LIMITED WARRANTY.................................................................................................... 38

Rev 5.2/9-19 3 MRTALP4-DC3: 35058
SPECIFICATIONS
!!–CE–!! This symbol appears only when a CE Standard is different from other applicable standards. CE requirements are
mandatory in the European Union, but may be optional elsewhere.
1
Standard with replaceable pad inserts for rough or textured surfaces (see REPLACEMENTS PARTS).
2
Standard with replaceable sealing rings for rough or textured surfaces (see REPLACEMENT PARTS).
3
The Maximum Load Capacity is rated at a vacuum of 16" Hg [-54 kPa] on clean, smooth, nonporous flat surfaces with a friction
coefficient of 1. Pad compound, load rigidity, strength, surface conditions, overhang, angle, center of gravity and temperature can
also affect the lifting capacity. A qualified person should evaluate the effective lifting capacity for each use.
4
Vacuum pads, filter elements and other wear-out items are excluded.
Description:
Designed for use with hoisting equipment, MRTALP4-DC3 lifters use vacuum to support loads,
as well as manual 180° rotation and mechanically assisted, manual 90° tilt to position loads.
Model Number:
MRTALP4625DC3
MRTALP410TDC3
Vacuum Pads:
6" x 25" [15 cm x 64 cm] nominal dimensions,
(Model VPFS625)1
10" [25 cm] nominal diameter,
(Model VPFS10T)2
(Four each, standard rubber)
Pad Spread:
---------------------------- (to outer edges) ----------------------------
Maximum:
37" x 92½" [94 cm x 235 cm]
45¾" x 78¾" [116 cm x 200 cm]
Minimum:
20" x 92½" [51 cm x 235 cm]
25¾" x 78¾" [65 cm x 200 cm]
Lifter Weight:
250 lbs [114 kg]
201 lbs [92 kg]
Maximum Load Capacity:3
600 lbs [270 kg]
Per-Pad:
150 lbs [68 kg]
Power System:
12 volts DC, 5 amps
Battery Operating Time:
18 amp-hours
Rotation Capability:
Manual, 180°, with latching at every 30° of revolution (when desired)
Tilt Capability:
Manual, 90°, with four-bar tilt linkage that provides mechanical advantage and automatic
latching in upright position
Options:
Available with Remote Control System –FCC, CE, and ICC certified.
Available with Pad Frame Extension Arms and Pad Frame Rocker Arms for installing roof panels.
See separate instructions about these and other options.
Maximum Operating
Elevation:
6,000' [1,828 m]
Operating
Temperatures:
32° to 104° F [0° to 40° C]
Service Life:
20,000 lifting cycles, when used and maintained as intended4
Software Version:
Intelli-Grip®7.0‒7.6
ASME Standard BTH-1:
Design Category "B", Service Class "0" (see www.wpg.com for more information)

Rev 5.2/9-19 4 MRTALP4-DC3: 35058
SAFETY
Wear personal protective equipment that is appropriate for the load material. Follow trade
association guidelines.
Use the lifter only in an approved OPERATING ENVIRONMENT (see INTENDED USE).
Do not use a lifter that is damaged, malfunctioning, or missing parts.
Do not use a lifter if the sealing edge of any vacuum pad is cut or otherwise damaged.
Do not remove or obscure safety labels.
Do not use a lifter if the Maximum Load Capacity or any safety label appears to be
missing or obscured.
Make sure the contact surfaces of the load and vacuum pads are clean before attaching
the lifter (see MAINTENANCE).
Do not exceed the Maximum Load Capacity or lift loads the lifter is not designed for
(see INTENDED USE).
Do not lift cracked or broken glass.
Position the vacuum pads correctly on the load before lifting (see OPERATION).
Do not lift a load if any vacuum indicator shows inadequate vacuum (see OPERATION).
Do not touch the vacuum release controls during a lift.
Do not allow people to ride on the lifter or the load.
Do not lift a load higher than necessary or leave suspended loads unattended.
Do not position a loaded or unloaded lifter over people.
Keep unauthorized personnel away from the lifter, to avoid injury in case of an unintended
load release.
Before servicing the lifter, place the power control in the inactive position and, when
possible, disconnect the power source (only applicable to powered lifters).
Do not make any modifications to the lifter (see LIMITED WARRANTY).

Rev 5.2/9-19 5 MRTALP4-DC3: 35058
OPERATING FEATURES
Features shown here are underlined on their first appearance in each section following.
1 LIFT POINT
11 RADIO RECEIVER (optional)
21 AIR FILTERS
2 INSTRUCTIONS CANISTER
12 INTELLI-GRIP®CONTROL UNIT
22 STROBE LIGHT
3 LIFT BAR
13 “POWER” BUTTON
23 TILT RELEASE LEVER
4 ROTATION RELEASE LEVER
14 “RELEASE”BUTTON
24 COTTERLESS HITCH PIN
5 PAD FRAME
15 “ATTACH” BUTTON
25 VACUUM RESERVE TANKS
6 VACUUM PAD
16 “FUNCTION” BUTTON
26 BATTERY CHARGER
7 SLIDING/MOVABLE PAD MOUNT
17 LCD SCREEN with BATTERY GAUGE
27 BATTERY
8 PAD FRAME T-ARM ASSEMBLY
18 NOTIFICATION BUZZER
28 Cover for VACUUM PUMP,
9 CONTROL HANDLE
19 VACUUM LIFT LIGHT
CIRCUIT BOARD and
10 QUICK CONNECTOR
20 VACUUM GAUGES
VACUUM SENSORS
Note: Although some of the following photos do not show this specific lifter,
they all illustrate how this kind of lifter functions.
19
20
21
22
18
12
13
14
15
16
17
8
9
10
11
1
2
3
5
6
7
4
23
25
26
27
24
28

Rev 5.2/9-19 6 MRTALP4-DC3: 35058
ASSEMBLY
1) Remove all vacuum lifter restraints and save them with the shipping container for future use.
2) If necessary, assemble the lift bar as shown. Tighten both bolts (2)
securely.
3) Adjust the lift point to optimize the lifter's hang angle:
3.1) Remove the retaining bolt (3) and loosen the pivot bolt (4).
3.2) Move the lift point to the appropriate position.
3.3) Reinstall the retaining bolt and tighten both bolts securely.
Note: Position the lift point to avoid contact with long configurations
of the pad frame during rotation.
4) Suspend the lifter from appropriate hoisting equipment:
4.1) Select a crane and/or hoist rated for the
Maximum Load Capacity plus the Lifter Weight.
Note: Any lifter use must comply with all statutory or regulatory
standards for hoisting equipment in your region.
4.2) Disengage the tilt latch and
raise the lift bar.
4.3) Attach the hoisting hook to the lift point.
Make sure hook has
restraining latch
(circled).
Note: Make sure the hook does
not interfere with the load,
using rigging as needed.
Only use rigging rated for
Maximum Load Capacity
plus Lifter Weight.
4.4) Use the hoisting equipment to remove the lifter from the shipping container. Avoid
damaging the vacuum pads.

Rev 5.2/9-19 7 MRTALP4-DC3: 35058
5) Connect the electrical connectors.
Install the 9-volt battery for the notification buzzer as directed in the NOTIFICATION BUZZER
BATTERY TEST (see MAINTENANCE).
6) Assemble the pad frame for optimal load support (see next section).
Remove the pad covers and save them for future use (if applicable).
7) Before you place the lifter in service, perform Operational and Load Tests (see
MAINTENANCE).
TO INSTALL/REMOVE T-ARM ASSEMBLIES
1) Insert a T-arm assembly
into the pad frame.
2) Use a cotterless hitch pin
to secure the T-arm.
3) Install the second T-arm
assembly likewise.
Note: Always position T-arms
as shown in OPERATING
FEATURES.
To remove the T-arm assemblies, reverse these steps. Store removed components in a clean, dry
location.
1
2

Rev 5.2/9-19 8 MRTALP4-DC3: 35058
TO INSTALL/REMOVE VACUUM PADS
1) Position a sliding/movable
pad mount on the T-arm
assembly.
2) Use the cotterless hitch pin
to secure the pad mount.
3) Install the other pad mounts
likewise.
Notes: Use only 2 pads on each
T-arm assembly. Pads must be
arranged symmetrically, to keep the lifter balanced.
To remove vacuum pads, reverse these steps. Store removed components in a clean, dry
location.
TO POSITION VACUUM PADS
1) Remove the cotterless hitch pin that secures a sliding/movable pad mount to the pad frame.
2) Position the pad mount as required on the T-arm assembly.
3) Use the cotterless hitch pin to secure the pad mount.
4) Repeat these steps to position other pad mounts as needed.
Note: Use only 2 pads on each T-arm assembly. Pads must be arranged symmetrically, to keep
the lifter balanced.
TO REPOSITION THE T-ARM CROSS MEMBERS
To adjust the pad alignment more precisely, reposition the cross members of the T-arm
assemblies:
1) Remove the bolts connecting a cross member.
2) Move the cross member to the appropriate position.
3) Reinstall the bolts and tighten them securely.
4) Repeat these steps to reposition the other cross member.
1
2
1
2
3