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Rev 34.7/3-20

MR1611LDC: #35050

MAINTENANCE

WARNING: Always make sure battery is disconnected before servicing lifter.

Note: One or more wiring diagrams are provided in the final section of this

INSTRUCTIONS

manual for reference when servicing the lifter or troubleshooting a deficiency.

NSPECTION

CHEDULE

Perform inspections routinely, according to the following frequency schedule:

Every-Lift Inspection

• Examine the vacuum pads and load surface for contamination or debris (see V

ACUUM

AINTENANCE

to follow).

• Examine the vacuum pads, controls and indicators for visual damage (see V

ACUUM

AINTENANCE

to follow).

• Test the battery for adequate charge (see B

ATTERY

EST

to follow).

If a battery’s charge appears to be inadequate, charge and retest the battery (see B

ATTERY

ECHARGE

to follow). If any other deficiency is detected during the inspection, correct it before

using the lifter and perform the Frequent Inspection to follow.

Frequent Inspection

(

following every 20-40 hours’ use; or whenever lifter is out of service for 1 month or more)

• Examine the lifter’s structure for visual damage.
• Examine the vacuum system (including vacuum pads, fittings and hoses) for visual damage.
• Examine the air filter for conditions requiring service (see A

ILTER

AINTENANCE

to follow).

• Perform the V

ACUUM

EST

to follow.

• Check for unusual vibrations or noises while operating the lifter.
• If the lifter is equipped with a Remote Control System, perform the R

EMOTE

ONTROL

YSTEM

EST

to follow.

If any deficiency is detected during the inspection, correct it before using the lifter and perform
the Periodic Inspection to follow.

Periodic Inspection

(

following every 250-500 hours’ use; or whenever lifter is out of service for 1 year or more)

• Examine the entire lifter for external evidence of looseness, excessive wear, deformation,

cracks, excessive corrosion, dents to structural or functional components, cuts, or any
deficiency which might constitute a hazard.

• Inspect all parts of the electrical system for damage, wear or contamination that could

constitute a hazard, in compliance with all local codes and regulatory standards that are
relevant for the geographical region.

Содержание MR1611LDC

Страница 1: ..._________ please see serial label and record number here MANUAL ROTATOR 2800 DC VOLTAGE READ ALL INSTRUCTIONS AND WARNINGS BEFORE OPERATING THIS LIFTER DESIGNED FOR THE MATERIALS HANDLING PROFESSIONAL P O Box 368 908 West Main Laurel MT USA 59044 phone 800 548 7341 phone 406 628 8231 fax 406 628 8354 ...

Страница 2: ......

Страница 3: ...E LIFTER 12 Taking Safety Precautions 12 Performing Inspections and Tests 12 Confirming the Pad Frame Configuration 13 Preparing to Use the Optional Remote Control System 13 TO ATTACH THE PADS TO A LOAD 14 Powering up the Lifter 14 Positioning the Lifter on the Load 14 Sealing the Pads against the Load 15 Reading the Vacuum Gauge 16 Vacuum Level on Optimal Surfaces 16 Vacuum Level on Other Surface...

Страница 4: ...OL SYSTEM TEST 28 AIR FILTER MAINTENANCE LARGE 29 Filter Function and Conditions Requiring Service 29 Filter Service Procedures 29 VACUUM PUMP MAINTENANCE THOMAS 2907CDC22 12 30 Replacing a Diaphragm 1 30 Replacing an Intake Valve Flapper 6 30 Replacing a Set of Exhaust Valve Flappers 9 10 and a Head Gasket 12 30 VACUUM PUMP MAINTENANCE DYNAFLO DV1032102 31 Replacing the Diaphragm 31 Replacing the...

Страница 5: ...BA at 2 ft 60 cm While the lifter is powered up an audible alarm warns the operator whenever vacuum is not sufficient for lifting the maximum load weight Options Available with Remote Control System The system uses a 310 320 MHz signal Available with Short Lift Bar This option is designed for applications involving minimal clearance between the lifter and the hoisting equipment such as installatio...

Страница 6: ... this lifter Always position the vacuum pads correctly on the load prior to lifting see OPERATION TO ATTACH THE PADS TO A LOAD Never lift a load when any vacuum indicator shows inadequate vacuum Never touch the vacuum release controls during a lift This may result in loss of vacuum and release of the load Never allow people to ride on the lifter or the load being lifted Never lift a load higher th...

Страница 7: ...E TANK 2 LIFT BAR EXTENSION 14 ROTATION RELEASE LEVER 3 BATTERY CHARGER 15 QUICK CONNECTOR 4 BATTERY ENCLOSURE 16 ROTATING PAD ARM 5 POWER SWITCH 17 AIR FILTER 6 CENTER SECTION of PAD FRAME 18 VACUUM GAUGE 7 REMOVABLE SECTION of PAD FRAME 19 INSTRUCTION CANISTER 8 VACUUM PAD 20 Enclosure with VACUUM PUMP S 9 REMOVABLE PAD ARM and VACUUM SWITCH 10 VACUUM LIFT LIGHT 21 BATTERY GAUGE 11 ATTACH RELEAS...

Страница 8: ... with restraining latch to prevent lift bail from slipping off under any circumstances Note Some hoisting equipment hooks could interfere with an upright load that extends beyond the lifter s pad frame If the load would contact the hook during lifter operation the operator must prevent this by attaching a sling or other rigging that does not interfere with the load between the hook and the lift ba...

Страница 9: ... approved configuration that will maximize support across the load surface and minimize load overhang see INTENDED USE LOAD CHARACTERISTICS 2 Install or remove the pad frame s removable sections and removable pad arms and or rotate the rotating pad arms as needed Some configurations also require the lift bar extension see sections to follow Securely position vacuum hoses to avoid damage during lif...

Страница 10: ... not use the lift bar extension or joint couplers instead bolt the Short Lift Bar securely onto the lower section of the standard lift bar using the hardware provided WARNING Maximum Load Capacity equals 1 800 lbs 815 kg when Short Lift Bar is installed To remove the Short Lift Bar reverse this procedure To Install and Remove the Removable Sections of the Pad Frame 1 Align one removable section wi...

Страница 11: ... male and female ends of the quick connector together until they lock 4 Repeat steps 1 3 to install each pad arm required for the pad frame configuration desired 5 To remove the removable pad arms reverse this procedure Move the release ring on the female end of the quick connector away from the male end to separate the ends Store removed pad arms in a clean dry location to protect them from envir...

Страница 12: ...temperatures Contact Wood s Powr Grip or an authorized dealer for more information While the minimum length and width of the load are determined by the Pad Spread see SPECIFICATIONS the maximum length and width are determined by the allowable overhang or the amount of load material that can extend sideways beyond the vacuum pads without breaking or otherwise being damaged The allowable overhang de...

Страница 13: ...cial precautions Moisture on contact surfaces of the load or vacuum pads diminishes the lifter s slip resistance thereby reducing the lifting capacity see MAINTENANCE VACUUM PAD MAINTENANCE Friction Coefficient WARNING Moisture reduces slip resistance of vacuum pads Although the lifter s exterior surfaces can tolerate some exposure to water vapor they are not designed to be watertight Submerging t...

Страница 14: ...G Always check battery energy before using lifter See MAINTENANCE BATTERY TEST Perform all inspections and tests required by the INSPECTION and TESTING SCHEDULES see MAINTENANCE In addition if the lifter has been in storage always conduct a VACUUM TEST before placing it in service see MAINTENANCE WARNING Make sure alarm is clearly audible over ambient noise at operator position If the lifter is eq...

Страница 15: ...d from a remote location the operator must monitor the lifter at all times to make sure that it is functioning as intended 5 Additionally the operator must exercise special care to make sure that the load is landed and supported correctly before releasing the load see TO RELEASE THE PADS FROM THE LOAD to follow The radio transmitter is also equipped with an emergency transmitter disconnect that pr...

Страница 16: ...otate unexpectedly see TO ROTATE THE LOAD EDGEWISE to follow and possibly damage the lifter 8 Make sure that all vacuum pads will fit entirely on the load s contact surface see SPECIFICATIONS Pad Spread and that they will be loaded evenly while lifting see SPECIFICATIONS Per Pad Load Capacity Then position the lifter so that all pads are in contact with the load 6 When the operator powers up the l...

Страница 17: ...unction is activated WARNING Keep attach release switch in attach position throughout lift Alternatively if the lifter is equipped with a Remote Control System press the attach button on the radio transmitter This energizes the vacuum pumps causing air to be drawn immediately at the vacuum pads The low vacuum warning buzzer also sounds an alarm until the lifter attains sufficient vacuum to lift th...

Страница 18: ...e to leakage in the seal between the vacuum pads and the load surface 9 In the case of contamination thoroughly clean the contact surfaces of the load and the vacuum pads see MAINTENANCE VACUUM PAD MAINTENANCE Cleaning and reattach the lifter to the load If the load has rough or porous surfaces the operator must conduct a test to determine whether the lifter is designed to lift the load as follows...

Страница 19: ... experiences leakage while the lifter is attached to the load the vacuum pumps turn on automatically as required to maintain sufficient vacuum for lifting the maximum load weight The lift light turns off while the pumps are running to signal the reduction in vacuum to the operator If the pumps turn on and the lift light turns off while you are lifting a load make sure the vacuum gauge shows a vacu...

Страница 20: ... between the vacuum pads and the load Since the alarm may sound in such circumstances consult the section TO ATTACH THE PADS TO A LOAD Vacuum Level on Other Surfaces to determine whether the lifter can be used to lift the load If the vacuum loss is due to any other cause perform inspection and maintenance as needed to identify and correct any deficiency before resuming normal operation of the lift...

Страница 21: ...s Keep the load under control at all times using hand cups or other appropriate means Disengaging the pad frame s rotation latch allows the load to rotate Pull the cable that hangs from the rotation release lever to disengage the rotation latch and rotate the load to the desired position To stop the load s motion automatically at each quarter turn simply let go of the cable immediately after initi...

Страница 22: ...f the lifter is equipped with a Remote Control System the strobe light flashes as long as the operator is pressing the enable or release buttons This shows the operator when signals are being transmitted successfully from a remote location and warns others that the operator is preparing to release the load WARNING If vacuum pads do not disengage completely do not attempt to move the lifter or load...

Страница 23: ...pads and all other components from damage while in transit Storing the Lifter Use the covers supplied to keep the vacuum pads clean CE In accordance with CE Standard EN 13155 the lifter is designed to rest on relatively horizontal surfaces without tipping over To store the lifter in this way set the lifter with the pads facing downward on a clean smooth flat surface and place a support under the l...

Страница 24: ...ours use or whenever lifter is out of service for 1 month or more Examine the lifter s structure for visual damage Examine the vacuum system including vacuum pads fittings and hoses for visual damage Examine the air filter for conditions requiring service see AIR FILTER MAINTENANCE to follow Perform the VACUUM TEST to follow Check for unusual vibrations or noises while operating the lifter If the ...

Страница 25: ...100 of its Maximum Load Capacity see SPECIFICATIONS using an actual load or an equivalent simulation 12 Employ the following method to test with an actual load 1 Place a test load with appropriate LOAD CHARACTERISTICS see INTENDED USE on a stable support Make sure the load is oriented in the upright position 13 2 Attach the vacuum pads to the load as previously directed 3 After the vacuum pump sto...

Страница 26: ...ower than 50 of capacity While the lifter s power switch is in the on position and the vacuum system is in stand by mode see OPERATION TO RELEASE THE PADS FROM THE LOAD the operator must press the battery test button for a few moments to make the energy level register on the battery gauge This enables the operator to check the battery energy while the lifter is powered up but not attached to a loa...

Страница 27: ...ht on the battery gauge also turns on to indicate that the battery is fully charged Be sure to unplug the charger and check the battery energy again before operating the lifter see BATTERY TEST preceding When the lifter and its charger are used as directed the battery should take no more than 8 hours to charge completely 17 However following long term use a battery gradually loses the capacity to ...

Страница 28: ...iency before using the lifter Contaminates on the pad face or sealing edges Soil build up can prevent pads from sealing adequately or reduce the friction coefficient see discussion preceding Follow the directions to clean pads as necessary see discussion to follow Filter screen missing from pad face This screen helps prevent debris from plugging the vacuum hose and the air filter Replace any missi...

Страница 29: ...th nonporous surface The surface should be flat or possess no more curvature than the lifter is designed for if any 19 When the pumping cycle is completed the vacuum level should register above 16 Hg 54 kPa on the vacuum gauge if not see VACUUM SWITCH ADJUSTMENT to follow 3 After the vacuum pumps stop running leave the pads attached to the surface and place the power switch located on the lifter i...

Страница 30: ...e any expended battery see REPLACEMENT PARTS LIST Metal or other electrically conductive surfaces may be causing interference between the radio transmitter and radio receiver Although the transmission signals often can bounce around interfering surfaces the signals do not travel through conductive walls Reposition the transmitter as necessary to transmit signals effectively If the preceding direct...

Страница 31: ...wl seal 5 with mild soap and water and skip to step 7 3 Unscrew the baffle 4 and remove the element and deflector 2 4 Discard the element and the bowl seal 5 5 Clean all internal parts and the bowl using mild soap and water only Do not use any other cleaners 6 Install the deflector and a new filter element then screw the baffle back on tighten gently finger tight to hold the element in place 7 Lub...

Страница 32: ... of Exhaust Valve Flappers 9 10 and a Head Gasket 12 1 Remove the six head screws 14 and remove the head 13 2 Turn the head upside down and remove the five valve plate screws 7 3 Lift out the valve plate 8 to access the exhaust valve flappers 9 10 and head gasket 12 21 4 Remove the exhaust valve flapper screw 11 and replace the exhaust valve flappers 5 Replace the head gasket and reverse the above...

Страница 33: ...at washer rubber O ring diaphragm and diaphragm retaining screw 4 Reverse the steps above for reassembly as shown Replacing the Head Assembly22 1 Remove the hose fittings from the head assembly and carefully clean the threads Be sure to note the fitting locations for reassembly 2 Remove the four head screws 1 lock washers 2 and head assembly 3 3 Replace the head assembly and reverse the steps abov...

Страница 34: ... to lift the maximum load weight If the pump does not turn off and the lift light does not turn on after vacuum increases to a level much higher than the minimum lifting level the vacuum switch may be adjusted to maintain a lower vacuum level Otherwise the pump would continue to run unnecessarily after the lifter has attained sufficient vacuum to lift the maximum load weight If the pump does not t...

Страница 35: ...vacuum switch from end with electrical connectors 2 Recheck the vacuum switch setting following each 1 6th turn of the adjustment screw In order to test the adjustment accurately release the vacuum pads completely before reattaching them to a test surface When the vacuum switch is adjusted correctly the vacuum pump turns off only after vacuum increases to a level higher than the minimum lifting le...

Страница 36: ...lease buttons 3 64200 Push Button Switch for battery test button 1 64191 Contact Block for power switch 1 58197 Remote Control System Retrofit Kit optional 1 58168 Guard for Rotating Union 1 55820 Solenoid Valve Assembly 12 VDC 1 53132 Hose Fitting Tee 5 32 ID 6 53126 Pad Fitting Tee 3 64 ID 8 53120 Pad Fitting Elbow 3 64 ID 8 49646T Vacuum Pad Model G3370 11 28 cm Diameter Lipped 16 49150 End Plu...

Страница 37: ...use Repairs are required due to abnormal wear and tear The product has been damaged misused or neglected If a problem is not covered under warranty Powr Grip will notify the customer of costs prior to repair If the customer agrees to pay all repair costs and to receive the repaired product on a C O D basis Powr Grip then will proceed with repairs Wood s Powr Grip Co Inc 908 West Main St P O Box 36...

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