Manitowoc MLC300 Operator's Manual
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Manitowoc MLC300 Operator's Manual

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Manitowoc MLC300
Operator Manual
VPC-MAX™ Attachment

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Summary of Contents for Manitowoc MLC300

  • Page 1 Manitowoc MLC300 Operator Manual VPC-MAX™ Attachment...
  • Page 3 NOTICE The serial number of the crane and applicable attachments (i.e. luffing jib, VPC-MAX) is the only method your Manitowoc dealer or the Manitowoc Crane Care Lattice Team has of providing you with correct parts and service information. The serial number is located on a crane identification plate attached to the operator’s cab and each attachment.
  • Page 4 THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH...

  • Page 5: Table Of Contents

    Manitowoc Dealer........
  • Page 6 TABLE OF CONTENTS MLC300 VPC-MAX™ OPERATOR MANUAL General..............2-25 Location .
  • Page 7 MLC300 VPC-MAX™ OPERATOR MANUAL TABLE OF CONTENTS Remove Counterweight Tray from Trailer ......... . 4-31 Prepare Counterweight Tray .
  • Page 8 TABLE OF CONTENTS MLC300 VPC-MAX™ OPERATOR MANUAL Install Boom Hoist Equalizer on Equalizer Rails........4-91 Connect Equalizer Links to Boom Straps .
  • Page 9 MLC300 VPC-MAX™ OPERATOR MANUAL TABLE OF CONTENTS Attach Lifting Slings to Counterweight Tray........4-141 Install Trolley Installation Guides .
  • Page 10 TABLE OF CONTENTS MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK TOC-vi Published 06-11-19, Control # 240-10...
  • Page 11 Manitowoc Dealer........
  • Page 12 MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 1-ii Published 06-11-19, Control # 240-10...

  • Page 13: Section 1

    A yellow arrow (3) and dot (4) on the right top and right front sides of the carbody indicate the FRONT of the If you are the new owner of a Manitowoc crane, please carbody. register it with Manitowoc Crane Care so we can contact you if the need arises.

  • Page 14: Identification And Location Of Components

    INTRODUCTION MLC300 VPC-MAX™ OPERATOR MANUAL IDENTIFICATION AND LOCATION OF COMPONENTS Figure 1-3. Overall View Published 06-11-19, Control # 240-10...
  • Page 15 MLC300 VPC-MAX™ OPERATOR MANUAL INTRODUCTION Item Description Item Description Item Description Drum 0 (rigging winch) Counterweight Straps Boom Top Wire Rope Guide Drum 1 (main hoist) Live Mast Lower Boom Point Drum 2 (auxiliary front hoist) Mast Straps Upper Boom Point...

  • Page 16: English And Metric Conversions

    INTRODUCTION MLC300 VPC-MAX™ OPERATOR MANUAL ENGLISH AND METRIC CONVERSIONS Inverse Conversion DIVIDE (÷) known value by conversion factor to obtain Direct Conversion equivalent value in desired units. For example, 3,6576 m is MULTIPLY (x) known value by conversion factor to obtain converted to feet, as follows: equivalent value in desired units.
  • Page 17 MLC300 VPC-MAX™ OPERATOR MANUAL INTRODUCTION To Convert Symbol Application Symbol Multiply By Ounce Milliliter 29.5735 Pint Liter 0.4732 Fluid Capacities Quart Liter 0.9464 Gallon Liter 3.7854 Gallon Per Minute Pump Flow Liters Per Minute L/min 3.7854 WEIGHT Pound Unit/Component Kilogram 0.4536...
  • Page 18 INTRODUCTION MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Published 06-11-19, Control # 240-10...

  • Page 19: Section 2

    Personnel Handling Policy ............2-26 Manitowoc...
  • Page 20 MLC300 VPC-MAX™ OPERATOR MANUAL Pedestal/Barge Mounted Cranes ........... 2-27 Pedestal Mounted Crane .

  • Page 21: Continuous Innovation

    If you are in Used with the safety alert symbol, indicates a hazardous doubt about any procedure, contact your Manitowoc dealer situation which, if not avoided, could result in minor or or the Manitowoc Crane Care Lattice Team.
  • Page 22 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL Table 2-1 Common Safety Symbols Cut or Crush Hazards Cut Hazard M100090 M100091 M100066 M100065 M100069 M100067 Fire Crush Hazards Extinguisher M100070 M100071 M100072 M100073 M100074 M100082 Explosion Fall Hazards Falling Boom (Crush) Hazards...

  • Page 23: Safety And Information Signs

    MLC300 VPC-MAX™ OPERATOR MANUAL SAFETY INFORMATION Table 2-1 Common Safety Symbols Emergency Cab Exit Table 2-2 Miscellaneous Symbols Engine Coolant Diesel Fuel Engine Coolant Engine Oil Level Hydraulic Filter Hydraulic Oil Vent M100271 M100267 M100268 M100269 M100272 M100273 Pump Drive Oil...

  • Page 24: Crane Access Points

    When personnel use ladders to get on or off the crane, their hands shall be free of any objects. Objects which cannot be Manitowoc has provided ladders and platforms at the carried in pockets or tool belts must be lifted into place with a locations shown in Figure 2-1.
  • Page 25 MLC300 VPC-MAX™ OPERATOR MANUAL SAFETY INFORMATION Item Description Operator Cab Platform with Handrails Carbody Platform (both ends and sides) Mast Platform Engine Enclosure (non-skid) Rotating Bed Handrails (both side) Folding Ladder (left side only) Rotating Bed Platform (both sides) Counterweight Tray and Boxes (non-skid)
  • Page 26 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL Typical Boom Sections Typical Mast Sections Figure 2-1 continued Published 06-11-19, Control # 240-10...
  • Page 27 MLC300 VPC-MAX™ OPERATOR MANUAL SAFETY INFORMATION Item Description Folding Ladder (left side only) Counterweight Tray and Boxes (non-skid) Catwalks (VPC-MAX Beam) Rotating Bed Handrails (both side) Figure 2-1 continued Manitowoc Published 06-11-19, Control # 240-10...
  • Page 28 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Published 06-11-19, Control # 240-10...

  • Page 29: Personal Fall-Protection

    MLC300 VPC-MAX™ OPERATOR MANUAL SAFETY INFORMATION PERSONAL FALL-PROTECTION Manitowoc has provided lifelines and anchors throughout the crane and attachment (see Figure 2-2.) to which workers can attach their personal fall-protection equipment. WARNING Fall Hazard! To prevent falling from any height during crane assembly and disassembly, personnel shall wear fall-protection equipment.

  • Page 30: Operator Manual/Capacity Chart Storage

    If the serial numbers of your manuals and capacity charts do not match the serial numbers of the crane or attachment, STORAGE contact your Manitowoc dealer for the proper manual or capacity charts. General Do not operate crane or attachment if proper Capacity Manitowoc provides the following manuals and other Chart is not in cab.

  • Page 31: Safe Operating Practices

    (United States Federal Law), in ASME B30.5 American operation. Manitowoc cannot foresee all hazards that will National Standard, or in any other applicable federal, state, arise in the field; therefore, safety remains responsibility or local laws.
  • Page 32 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL 4. The operator shall be thoroughly familiar with operation 10. The operator shall verify that the Capacity Chart being of the crane and its proper care. If adjustments or repairs used is the correct one for the cranes configuration are necessary or if there are known defects that impair (boom length, load line reeving, counterweight, etc.).

  • Page 33: Handling Load

    Do not operate the crane with a snow or ice covered NOTE Capacity charts for Manitowoc cranes show the boom. The extra weight may cause overload, tipping, or total weight of freely suspended loads for various structural damage.

  • Page 34: Lifting/Moving Load

    SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL 2. Only use slings and other rigging that are in safe All personnel are clear of the swing radius of the operating condition and have a rating equal to or greater crane’s counterweight. than the load to be lifted.

  • Page 35: Multiple Load Line Operation

    Engage the luffing hoist pawl when operating with Manitowoc authorizes multiple load line operation for those the luffing jib at a fixed radius. applications requiring it, provided the following steps are performed: 3.

  • Page 36: Signals

    If communication is disrupted, load indicator(s). operator shall stop all crane movements. 6. Manitowoc recommends that each load line be equipped 2. Signals to the operator shall be in accordance with the with an anti two-block device. standard...

  • Page 37: Safety Devices

    • Alternative measures are not permitted to be used for a faulty safety device. Manitowoc provides the following operational aids on its • Always tag-out any faulty safety device and place a cranes, either as standard equipment or optional equipment.

  • Page 38: Category 2 Operational Aids

    SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL at a point that gives the signal person sufficient time Refer to the pendulum boom angle indicator on the to signal the operator and have the operator stop boom butt (visible from operator cab).

  • Page 39: Assembling, Disassembling, Or Operating Crane Near Electric Power And Transmission Lines

    WARNING Electrocution Hazard! Set-Up and Operation Manitowoc cranes are not equipped with all features 1. During crane use, assume that every line is energized required to operate within OSHA 29CFR1926.1408, (“hot” or “live”) and take necessary precautions. Table A clearances when the power lines are energized.

  • Page 40: Electrocution Hazard Devices

    SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL 6. Taglines should always be made of non-conductive 6. Proximity sensing and warning devices are available in materials. Any tagline that is wet or dirty can conduct different types. Some use boom point (localized) electricity.

  • Page 41: Refueling

    Carelessness and neglect on part of for any evidence of damage and all damaged parts are maintenance personnel can result in their death or injury repaired or replaced as authorized by Manitowoc or your and costly damage to the crane or property. Manitowoc dealer.
  • Page 42 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL Place a warning sign at the start controls alerting 12. Avoid battery explosion: do not smoke while performing other personnel that the crane is being serviced and battery maintenance or short across battery terminals to the engine must not be started.

  • Page 43: Environmental Protection

    33. Perform a function check to ensure proper operation at connecting bolts or pins are being removed. the completion of maintenance or repair. 28. Unless authorized in writing by Manitowoc, do not alter ENVIRONMENTAL PROTECTION the crane in any way that affects the crane’s...
  • Page 44 SAFETY INFORMATION MLC300 VPC-MAX™ OPERATOR MANUAL View A WRONG – DANGEROUS! and there is No Blocking If Boom is Off Ground Under Boom Sections... and Supported by Straps... Boom will COLLAPSE when Lower Pins are Removed! View B WRONG – DANGEROUS! Handling Pendants are Slack...

  • Page 45: Boom Disassembly Safety

    MLC300 VPC-MAX™ OPERATOR MANUAL SAFETY INFORMATION BOOM DISASSEMBLY SAFETY blocking, individual pin connections may still be under load. Pins can be ejected forcefully if the boom has any pressure NOTE The term “boom” used in the following instructions on it or if the boom is not supported properly.

  • Page 46: Personnel Handling Policy

    50 percent of the rated capacity conditions. for the radius and configuration of the crane. Use of a Manitowoc crane to handle personnel is acceptable • The crane is uniformly level within one percent of level provided: grade and located on a firm footing.

  • Page 47: Pedestal/Barge Mounted Cranes

    Manitowoc recommends that cranes be properly maintained, regularly inspected, and repaired as necessary. All safety WARNING signs must be in place and legible. We also urge Manitowoc The crane owner/user shall verify that the method used to crane owners to upgrade their cranes with rated capacity fasten or restrain the crane to the foundation, the barge, indicator/limiter systems for all lifting operations.

  • Page 48: Pedestal Mounted Crane

    M a n i t o w o c d e a l e r f o r t h e NOTE Manitowoc does not permit traveling on a barge recommended bolt pattern and for the type and deck with load.

  • Page 49: Capacity Charts For Barge Mounted Crane

    If the crane’s boom or structure is shock loaded during operation, or there is any indication of shock loading, all Manitowoc provides two types of Capacity Charts for a crane structural components of the crane must be inspected to mounted on a barge or other supporting structure under detect cracks and other damage.

  • Page 50: Barge Mount Definitions

    1. Machine List, as defined by Manitowoc, is the crane’s required. Correct each defect found before placing the crane out-of-level condition — from side-to-side — as into service.

  • Page 51: Section 3

    Auxiliary Frame Assembly Operating Positions ......... . 3-5 Manitowoc...
  • Page 52 MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 3-ii Published 06-11-19, Control # 240-10...
  • Page 53 MLC300 VPC-MAX™ OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES SECTION 3 OPERATING CONTROLS AND PROCEDURES This Section Starts on the Next Page Manitowoc Published 06-11-19, Control # 240-10...

  • Page 54: Standard Hand Signals For Controlling Crane Operations

    OPERATING CONTROLS AND PROCEDURES MLC300 VPC-MAX™ OPERATOR MANUAL STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS The following standard hand signals comply with ASME B30.5-2014. Table 3-1 Standard Hand Signals for Crane Operation M100118 M100119 M100120 M100121 M100122 M100123 M100124 M100125...

  • Page 55: Operating Controls And Procedures

    Read and become thoroughly familiar with the instructions in • Read and become thoroughly familiar with the Section 3 of the MLC300 Crane Operator Manual. instructions in the RCL/RCI Operation Manual. • Make sure the RCL/RCI is properly configured as...
  • Page 56 (Figure 3-1) the obstructions. Contact the Manitowoc Crane Care when the counterweight tray is at the minimum working Lattice Team for inspection and repair criteria. position. This most commonly occurs when operating at high boom angles with light loads.

  • Page 57: Auxiliary Frame Assembly Operating Positions

    MLC300 VPC-MAX™ OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES Auxiliary Frame Assembly View B View A RAISED Position WORKING Position Pad Area = 4,43 m (47.68 ft) Force Requirements: Series 1 = 122 062 kg (269,100 lb) Series 2 = 155 900 kg (343,700 lb)
  • Page 58 OPERATING CONTROLS AND PROCEDURES MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Published 06-11-19, Control # 240-10...
  • Page 59 Calibrate Position of VPC-MAX Trolley........4-49 Manitowoc...
  • Page 60 MLC300 VPC-MAX™ OPERATOR MANUAL Installing VPC-MAX #503 Fixed Mast ........4-51 Remove Fixed Mast Butt and Top Assembly from Trailer .
  • Page 61 MLC300 VPC-MAX™ OPERATOR MANUAL Disconnect Boom Sections ......... . 4-103 Disconnect Boom Straps .
  • Page 62 MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4-iv Published 06-11-19, Control # 240-10...

  • Page 63: General Set-Up And Installation

    • Do not raise or lower either mast until all personnel Contact the Manitowoc Crane Care Lattice Team for a are off the crane. detailed explanation of any procedure you do not fully understand.

  • Page 64: Crane Orientation

    Item Description from any height could result in serious injury or death. Lifeline Anchor PERSONAL FALL-PROTECTION Manitowoc has provided lifelines and anchors throughout the crane and attachment (see Figure 4-1) to which workers can attach their personal fall-protection equipment. WARNING...

  • Page 65: Assist Crane Requirements

    When lifting lugs are not provided, use nylon lifting slings to lift the components. If wire rope or chain slings are used, Manitowoc provides a parts box that can be lifted with a install protective covering (such as sections of rubber tire) forklift.
  • Page 66 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Endless Synthetic Rope Sling Working Load Limit: 18 144 kg (40,000 lb) Straight 14 515 kg (32,000 lb) Chocker 36 287 kg (80,000 lb) Basket Four Supplied by Manitowoc Item Item...
  • Page 67 MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Item Description Shackle: 25 t (28 USt) Six Supplied by Manitowoc Item 225,0 8.86 57,0 2.25 313,0 12.34 106,0 4.19 73,0 2.88 51,0 2.00 127,0 5.00 • NOTE Two shackles are shipped in parts box.

  • Page 68: Remote Control

    SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Operator Cab Storage Compartment Remote Control Electric Cable: 20 m (66 ft) Transceiver Front of Rotating Bed DC Load Center External Engine Switch Figure 4-6 REMOTE CONTROL The remote control can be operated without the electric cable (4) if job site conditions allow for a wireless signal.

  • Page 69: Activating Remote Control

    To activate the remote control upon arriving at the job site, activated in the Remote Control Selection Screen in the proceed as follows: Main Display. See the MLC300 Main Display Operation Manual for instructions. 1. Remove the remote control (3) from the storage compartment (2) on the side of the operator cab (1).

  • Page 70: Pin And Connecting Hole Cleanliness

    SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL PIN AND CONNECTING HOLE CLEANLINESS To prevent dirt from damaging closely machined surfaces of pins and connecting holes: • Thoroughly clean all pins and connecting holes. • Apply a light coat of grease to all pins and connecting holes.
  • Page 71 MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION THIS PAGE INTENTIONALLY LEFT BLANK Manitowoc Published 06-11-19, Control # 240-10...
  • Page 72 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A Item Description MLC300 Fully Assembled VPC Trolley Fully Retracted Live Mast Fixed Mast Boom Hoist Equalizer 0-30° VPC-Max Beam and Auxiliary Frame VPC-MAX Trolley and Tray Fully Retracted Counterweight Boxes Installed or Removed (Series 1, 2, or 3)

  • Page 73: Operating Conditions During Assembly And Disassembly

    • VPC-MAX trolley, beam, and auxiliary frame installed • Counterweight tray installed and fully retracted • Series 1, 2, or 3 counterweight boxes installed Refer to the MLC300 VPC-MAX Liftcrane Mast Handling Capacities chart at the end of this section for lifting capacities with the fixed mast.
  • Page 74 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Upperworks and Lowerworks Assembled VPC Trolley Live Mast Mast Straps Self-Erect Cylinder Lifting Link Left-Front Side of Rotating Bed CAN D Terminator Dust Cap Self-Erect Cylinder turned ON in Main Display...

  • Page 75: Installing Vpc-Max Beam And Trolley

    • Remove the counterweight boxes and tray from the VPC trolley. See Section 4 of the Crane Operator Manual for The MLC300 must be assembled to the extent shown in instructions. Figure 4-9. Refer to Section 4 of the Crane Operator Manual •...
  • Page 76 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View D View B 13 mm (1/2 in) Item Description Live Mast Live Mast Angle Main Display VPC Trolley Stop Block (2) Hinge Cover (2) Pin (2) Latch (2) View C...

  • Page 77: Prepare Vpc Trolley

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Prepare VPC Trolley Figure 4-10 for the following procedure. 1. Position the live mast (1, View B) at 135°. The live mast angle (2, View A) can be monitored in the Crane Status Bar of the Main Display (3) in the operator cab.
  • Page 78 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A Item Description VPC-MAX Beam Spreader Beam (2) Shackle (2 or 4): 20,5 t (23 USt) Lifting Sling (2 or 4): 2,8m (9 ft) long Front Lifting Lug (2) Mid-Rear Lifting Lug (2)

  • Page 79: Remove Vpc-Max Beam From Trailer

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Remove VPC-MAX Beam from Trailer The VPC-MAX beam (1) can be shipped two ways as shown Figure 4-12: • Folded (View A) • Unfolded (View B) Figure 4-12 for the following procedure. 1. If the beam is folded, connect two shackles (3, View A) and two lifting slings (4) to the spreader beams (2).
  • Page 80 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A View C View F View G View D View E Figure 4-13 4-18 Published 06-11-19, Control # 240-10...

  • Page 81: Unfold Vpc-Max Beam

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-13. Pin the lifting link (6) to the spreader pin with pin (4). Item Description d. Remove pin (7) from storage in the spreader beam. Lifting Sling (2): 2,8 m (9 ft) long...
  • Page 82 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B 3 places View A 2 places Item Description Safety Pin (2) Figure 4-14 Bracket (2) Hitch Pin with Hair-Pin Cotter (3) 4-20 Published 06-11-19, Control # 240-10...

  • Page 83: Remove Handrails From Vpc-Max Beam

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Remove Handrails from VPC-MAX Beam If the VPC-Max Beam was shipped folded, perform the following procedure after the beam is unfolded. Figure 4-14 for the following procedure. 1. Remove the safety pins (1, View A) and lower the brackets (2).
  • Page 84 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A Item Description VPC-MAX Beam Spherical Bearing Carrier (2) VPC Trolley Blocking Latch (2) Pin (2) Quick-Release Pin (2) Figure 4-15 4-22 Published 06-11-19, Control # 240-10...

  • Page 85: Attach Vpc-Max Beam To Vpc Trolley

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Attach VPC-MAX Beam to VPC Trolley 3. Guide the spherical bearing carriers (2, View B) into the VPC trolley (3) saddles. 1. Connect four shackles and four lifting slings to the lifting 4. Lower the rear of VPC-MAX beam (1, View C) onto 305...
  • Page 86 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL On current production units, the dust caps from the VPC-MAX Beam are stored here. View C View B View A Item Description Hose/Cable Storage Bracket (energy chain) 15 kg (33 lb) Hitch pin with Hair-Pin Cotter (4)
  • Page 87 MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION THIS PAGE INTENTIONALLY LEFT BLANK Manitowoc 4-25 Published 06-11-19, Control # 240-10...
  • Page 88 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Shorting Plug with Dust Cap Electric Cable (WVT1E) VPC Trolley Electric Cable with Dust Cap (WVB3) VPC-MAX Beam (left-hand) Hydraulic Nipple Bulkhead Coupler (6) Hydraulic Hose (6) Figure 4-17 4-26 Published 06-11-19, Control # 240-10...

  • Page 89: Connect Vpc-Max Beam-To-Vpc Trolley Electric Cable

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION NOTE Current production cranes are equipped with the hose/cable storage brackets shown in Figure 4-16 on page 4-24. On current production cranes, disconnect the hydraulic hoses and electric cable from the storage bracket (3, View C, Figure 4-16 on page 4-24).
  • Page 90 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description VPC-MAX Beam VPC Trolley Stop Block (2) Rotating Bed 50 mm (2 in) Hook (2) View A View B View C Figure 4-18 4-28 Published 06-11-19, Control # 240-10...

  • Page 91: Hook Vpc-Max Beam To Rotating Bed

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Hook VPC-MAX Beam to Rotating Bed Figure 4-18 for the following steps. 1. Lift the rear of the VPC-MAX beam (1, View A) to horizontal with the assist crane. 2. Follow with the assist crane during step 3.
  • Page 92 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A VPC Arrangement View B VPC-MAX Arrangement Item Description Item Description Shackle (2): 20,5 t (23 USt) Pin with Cotter Pin (4) Lifting Sling (2): 2,8m (9 ft) long Pin with Cotter Pin (2)

  • Page 93: Remove Counterweight Tray From Trailer

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Remove Counterweight Tray from Trailer 3. Lift the mounting frame (3) from the VPC position (View A) to the VPC-MAX position (View B). Figure 4-20 for the following procedure. 4. Align the connecting holes and install pins (4, View B).
  • Page 94 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B 158 mm (6-7/32 in) Less Than 0,5 mm (0.02 in) Item Description VPC-MAX Trolley Wear Pad (4) View C Scraper Bracket with Screws and Lock Washers Wear Pad Gauge...

  • Page 95: Remove Vpc-Max Trolley From Trailer

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION NOTE The VPC-MAX trolley must be removed from the crane and the wear pads inspected at least yearly. 1. Remove the scraper bracket (3, View A) at each wear pad (2). 2. Remove the wear pad gauge (4, View B) from the storage stud (5).
  • Page 96 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Trolley Installation Guide (2) Hair-Pin Cotter (4) Stop Block (2) VPC-MAX Beam Trolley Rail (2) View A — STORED View C — WORKING View B— WORKING View D — STORED Figure 4-23...

  • Page 97: Install Trolley Installation Guides

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install Trolley Installation Guides 3. Install the trolley installation guides (1, View C) in the working position on the trolley rails (5). Figure 4-23 for the following procedure. 4. Secure the trolley installation guides with the hair-pin 1.
  • Page 98 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A View C 7,4 m (24.3 ft) View D Item Description View E VPC-MAX Trolley Energy-Chain Frame Retaining Pin with Cotter Pins (4) Collar (4) Pin (4) Counterweight Tray Alignment Pin (4)

  • Page 99: Attach Vpc-Max Trolley To Counterweight Tray

    5. Remove the forklift. Figure 4-24 for the following procedure. NOTE Manitowoc provides two lifting pendants (10, View 1. Position the forks from a forklift under the VPC-MAX C), a lifting plate (11), and two lifting lugs (13) on trolley (1, View A) at the locations shown.
  • Page 100 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C View B View D View A Item Description Trolley Rail (2) Gear Rack (2) Counterweight Tray VPC-MAX Trolley VPC-MAX Beam Trolley Rollers (4) View E Drive Pinion Lifting Pendant (4) Lifting Plate (2)

  • Page 101: Install Vpc-Max Trolley And Counterweight Tray

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install VPC-MAX Trolley and Counterweight • "Connect VPC-MAX Trolley Hydraulic Hoses" on page 4-41 Tray 7. Make sure the drive pinions (7, View E, Figure 4-25) are Figure 4-25 for the following procedure.
  • Page 102 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Item Description Energy Chain Electric Cable VPC-MAX Beam Electric Cable Energy Chain Frame Counterweight Tray Hitch Pin with Hair-Pin Cotters (2) VPC-MAX Trolley WORKING INSTALLATION Hitch Pin with Hair-Pin Cotters (2)

  • Page 103: Connect Vpc-Max Energy Chain To Vpc-Max Trolley

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Connect VPC-MAX Energy Chain to VPC- 1. Disconnect the shorting plug (5, View B) from the receptacle (6). MAX Trolley 2. Thoroughly clean the dust cap and connect it to the NOTE Current production cranes are equipped with the shorting plug (5).
  • Page 104 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View C View B View D Item Description Pin with Quick-Release Pins (2) Auxiliary Frame Shackle (2): 20,5 t (23 USt) Lifting Sling (2): 2,8m (9 ft) Long Pin with Retaining Pins and Cotter Pins (4)

  • Page 105: Check Vpc-Max Trolley Travel Limits And Calibration

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Check VPC-MAX Trolley Travel Limits and Install Auxiliary Frame Assembly Calibration Figure 4-27 for the following procedure. • Verify that the VPC-MAX trolley limit switches operate 1. Remove the tie-downs and blocking securing the properly.
  • Page 106 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Item Description Item Description Handrail with Safety Barricade Platform Assembly Handrail Safety Pin (1 or 2 each handrail) Handrail (4) Ladder (from crane) Handrail with Safety Barricade VPC-MAX Beam...

  • Page 107: Install Handrails

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install Handrails 2. Align the legs of the handrail with the pockets in the platform assembly (6, View B). Figure 4-28 for the following procedure. 3. Align the connecting holes and install the safety pins (6).
  • Page 108 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Auxiliary Frame in Working Position Auxiliary Frame in Raised Position Item Description Item Description Ladder Bracket (hook shaped) (2) Top Ladder Bracket Bottom Quick-Release Pin (2) Quick-Release Pin (4)

  • Page 109: Install Vpc-Max Beam Ladder

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install VPC-MAX Beam Ladder b. Hook the top rung of the ladder (1) onto the brackets (4) on the left side of the beam. The ladder from the rear of the crane can be moved to the...
  • Page 110 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description VPC-MAX Beam VPC Trolley Stop Block (2) Rotating Bed 50 mm (2 in) VPC-MAX Trolley Counterweight Tray 547 mm (21-1/2 in) View A View B Figure 4-30 4-48 Published 06-11-19, Control # 240-10...

  • Page 111: Position Counterweight Tray In Minimum Position

    (8) between the tray and the stop block (3) on both sides of the rotating bed (4). Calibrate Position of VPC-MAX Trolley See the VPC-MAX Calibration procedures in the MLC300 Main Display Manual. Manitowoc...
  • Page 112 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL (4) Approximately 18 144 kg (40,000 lb) View A View B View C View D View F View E Figure 4-31 4-50 Published 06-11-19, Control # 240-10...

  • Page 113: Installing Vpc-Max #503 Fixed Mast

    4. Place the fixed mast butt and top assembly on the 19,1 bar at -1°C 277 psi at 30°F ground in front of the MLC300 (View C). Do not 19,5 bar at 4°C 283 psi at 40°F disconnect the assist crane.
  • Page 114 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Toward Live Mast (4) View A View B View C See View A, page 4-50 View D View E View F View G Figure 4-33 4-52 Published 06-11-19, Control # 240-10...

  • Page 115: Connect Fixed Mast Butt And Top Assembly To Crane

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-33 4. Unpin the handling pendants (1, View A) from storage on the fixed mast butt (3). Item Description Handling Pendant (2) 5. Store the pins (2, View A) in the lugs on the fixed mast Hitch Pin with Hair-Pin Cotter (2) butt (3).
  • Page 116 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Hydraulic Hoses (4 or 6) Storage Couplers (4 or 6) Hydraulic Couplers (4 or 6) Left Side of Rotating Bed Electric Cable Electric Receptacle Junction Box (right side of rotating bed)

  • Page 117: Connect Fixed Mast Hydraulic Hoses

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Connect Fixed Mast Hydraulic Hoses View B) on the junction box (7) on the right side of the rotating bed. Figure 4-34 for the following procedure. 2. Thoroughly clean the end of the electric cable and the 1.
  • Page 118 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C View D View B Item Description Live Mast Self-Erect Cylinder (fully extended) Fixed Mast Butt and Top Assembly Lifting Sling (4): 2,8 m (9 ft) Long OR Lifting Sling (4): 4,0 m (13 ft) Long...

  • Page 119: Disconnect Fixed Mast Top From Fixed Mast Butt

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disconnect Fixed Mast Top from Fixed Mast 11. Pay out wire rope from Drum 5 in the fixed mast butt while performing step Butt 12. Lift the fixed mast top (7, View E) away from fixed mast...
  • Page 120 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B View G View C View D View F View E Figure 4-36 4-58 Published 06-11-19, Control # 240-10...

  • Page 121: Assemble And Install Fixed Mast Inserts

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-36 9. The assembled inserts (1 and 2, View D) can be cantilevered from the fixed mast butt (2). Item Description Insert: 12 m (39.4 ft) 10. Lower the inserts onto blocking at least 0,6 m (2 ft) high.
  • Page 122 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Live Mast Self-Erect Cylinder Handling Pendants (2) Mast Assist Arms (2) Lifting Link Storage Lugs Live Mast Straps (2) Fixed Mast Insert View A FULLY RAISED View C View B View D...

  • Page 123: Store Handling Pendants

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Store Handling Pendants Figure 4-37 for the following procedure. 1. To avoid damage, use hand-held taglines to guide the fixed mast stops clear of the live mast as the live mast is lowered.
  • Page 124 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B SHIPPING View A SHIPPING View C SHIPPING View D View E WORKING WORKING Figure 4-38 4-62 Published 06-11-19, Control # 240-10...

  • Page 125: Connect Straps At Mast Top

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-38 Item Description Counterweight Strap (2) Mast Strap (4) Mast Top Mast Insert (6 m) Spreader Beam Retaining Pin with Safety Pins(6) Bracket Strap Bracket (4) Pin with Safety Pins and Flat Washers (4)
  • Page 126 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C WORKING View A SHIPPING View B SHIPPING View D WORKING Figure 4-40 4-64 Published 06-11-19, Control # 240-10...

  • Page 127: Connect Straps At Mast Inserts

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-40 1. Remove the retaining pins (5, View B) and store them in the bracket (6, View C) on the 6 m insert (3). Item Description Mast Strap (4) 2. Remove the pin (9, View B).
  • Page 128 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B SHIPPING View D WORKING View A SHIPPING View E WORKING View C SHIPPING View G View F WORKING SHIPPING Figure 4-41 4-66 Published 06-11-19, Control # 240-10...

  • Page 129: Connect Straps At Mast Butt

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-41 1. Remove the retaining pins (5, Views B and E) and store them in the bracket (6, View G) on the end of the 12 m Item Description insert (3).

  • Page 130: Connect Live Mast Straps To Fixed Mast

    SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Lifting Sling (2): 2,8 m (9 ft) Long Live Mast Straps Live Mast Retaining Pin Pin with Collar, Retaining Pin, and Cotter Pins (2) Tube (2) Link (4) Fixed Mast Strap (2)

  • Page 131: Lower Live Mast Assist Arms

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Lower Live Mast Assist Arms Configure Fixed Mast in RCL/RCI Display Enter the Fixed Mast Configuration in the RCL/RCI Display. Refer to the RCL/RCI Operation Manual for instructions. Once the fixed mast configuration is entered, the drum...
  • Page 132 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4-70 Published 06-11-19, Control # 240-10...

  • Page 133: Fixed Mast Raising Methods

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION FIXED MAST RAISING METHODS • The fixed mast is raised to the VPC-MAX operating position. There are two fixed mast raising methods: • An assist crane is used to attach and assemble the #500 Preferred Method using Boom Holdback boom.
  • Page 134 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Lifting Sling (4): 2,8 m (9 ft) Long Lifting Lug (4) Boom Hoist Equalizer Retaining Pin with Snap Pin (2) Shipping Rail (2) Fixed Mast Top View A Fixed Mast Angle...

  • Page 135: Raising Fixed Mast - Preferred Method With Boom Holdback

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION RAISING FIXED MAST — PREFERRED 3. Perform the following pre-raising steps and correct any defects before raising the fixed mast. METHOD WITH BOOM HOLDBACK  Crane on firm, level surface. Disconnect Boom Hoist Equalizer from Mast ...
  • Page 136 Lifting Lugs (4) for Lifting only the 12 m Boom Insert with Hooked Lifting Chains or Synthetic Lifting Slings with Shackles See MLC300 Crane Operator Manual for Lifting Lug Identification NOTE These inserts can be either standard width inserts OR 3,5 m wide inserts, d e p e n d i n g o n t h e B o o m R i g g i n g Drawing being used.

  • Page 137: Install Counterweight Boxes

    NOTE The following procedure assumes the assemblers 5. Assemble the boom butt (2, View B), the 12 m insert (3), are already thoroughly familiar with the MLC300 and and the 12 m insert (4). the boom assembly procedures in the MLC300 •...
  • Page 138 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Live Mast Fixed Mast Shackle: 25 t (28 USt) Shackle: 20.5 t (23 USt) Lifting Sling: 2,8 m (9 ft) Long Lifting Sling: 4 m (13 ft) Long Boom Hoist Equalizer...

  • Page 139: Install Partial Boom

    Lower the live mast (1, View A) so the fixed mast (2) 7. Disconnect and store the hydraulic hoses for the boom is at approximately 60°. hinge pins, as instructed in Section 4 of the MLC300 • To ensure the partial boom lifts level, attach the Crane Operator Manual.
  • Page 140 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Assembled in Proper Sequence According to the Boom Rigging Drawing Item Description Partial Boom Remaining Boom Sections (inserts and top) Fixed Horizontal Pin (2) Hooked Connector (2) Figure 4-47 4-78 Published 06-11-19, Control # 240-10...

  • Page 141: Assemble Remaining Boom Sections

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Assemble Remaining Boom Sections • The inserts must be assembled in the sequence shown in the Boom Rigging Drawing at the end of this section. Figure 4-47 for the following procedure. Connect Boom Straps Using an assist crane, assemble the remaining boom sections (2) to the end of the partial boom (1).
  • Page 142 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B View C View D View F View E Figure 4-48 4-80 Published 06-11-19, Control # 240-10...

  • Page 143: Connect Boom Sections

    12 m insert (7). Synthetic Lifting Sling (2): 1,87 m (6.1 ft) Shackle (4) 13. Slowly haul in the boom hoist wire rope on the MLC300 Adjacent Insert until the boom hoist equalizer (6, View D) is out of the Pin with Safety Pin (2) rails (3) and the synthetic lifting slings (11) are tight.
  • Page 144 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL STORED STORED View A View B View C View D View E Figure 4-49 4-82 Published 06-11-19, Control # 240-10...

  • Page 145: Connect Equalizer Links To Boom Straps

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-49 • The operator must match the rate of speed at which the mast hoist wire rope is hauled in with the rate of Item Description speed at which the boom hoist wire rope is payed...
  • Page 146 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL PAST CURRENT Item Description Height Gauge Beam (left side) Height Decal Figure 4-50 4-84 Published 06-11-19, Control # 240-10...

  • Page 147: Adjust Fixed Mast And Beam Position

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION 4. Securely tighten the mounting screws. 5. Once the boom is fully assembled and ready to be raised, slowly pay out on Drum 4 and haul in on Drum 5 WARNING to raise the beam into position.

  • Page 148: Raising Fixed Mast - Alternate Method With Anchored Holdback

    SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A 8 620 kg (19,000 lb) 35 m (115 ft) Vertical Force View B Item Description Lifting Sling (4): 2,8 m (9 ft) Long Lifting Lug (4) 14 970 kg (33,000 lb)

  • Page 149: Anchor Boom Hoist Equalizer To Holdback

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Anchor Boom Hoist Equalizer to Holdback  Wind within allowable limits for operation. Anchor the boom hoist equalizer (3) to the desired holdback per the anchor holdback diagram in Figure 4-51, View C.
  • Page 150 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Figure 4-51 on page 4-86 Fixed Mast Mast Stop (2) Mast Stop Lug (2) Pin with Collar, Retaining Pin, and Cotter Pins (2) Counterweight Links (4) VPC-MAX Beam Pin with Hair-Pins Cotters...
  • Page 151 MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Figure 4-52 for the following procedure. Remove the pins (10) from the counterweight links (11) on the VPC-MAX beam (12). 7. Just prior to engagement between the mast stops (8, View B) and the mast stop lugs (9), stop lowering the b.
  • Page 152 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Boom Assembled in Proper Sequence According to the Boom Rigging Drawing Item Description Stop Pin with Safety Pins (4) Equalizer Rails (both sides of mast) Boom Hoist Equalizer Pins with Hair-Pin Cotters (2)

  • Page 153: Install Boom

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install Boom 6. Disconnect the lifting slings. 7. Slacken the boom hoist wire rope. 1. Move the boom hoist equalizer to side so it is clear of boom assembly area. Lift the boom hoist equalizer with...

  • Page 154: Raising Boom

    Pre-Raising Checks  Maintenance and lubrication checks have been performed according to Maintenance Checklist and NOTE: Refer to the MLC300 Luffing Jib Operator Manual Lubrication Guide. for the pre-raising checks and raising procedure when equipped with a luffing jib.  Crane is on a firm, level, uniformly supporting surface.

  • Page 155: Boom Raising Procedure

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION  Desired counterweight (Series 1, 2, or 3) is installed. 2. Refer to the capacity chart in use for boom raising limitations.  Crawlers are blocked if required per capacity chart in use.
  • Page 156 Check all safety devices for proper operation (see Wire Rope Installation on page 4-163 Section 3 of the MLC300 Operator Manual). 12. Continue to boom up until the boom is at an angle that Check that the boom stop is adjusted for the proper safely allows the load block(s) and/or hook-and-weight maximum boom angle.

  • Page 157: Auxiliary Frame Operating Positions

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION AUXILIARY FRAME OPERATING POSITIONS Attach the shackles (1, View A) and the lifting slings (2) to the lifting lugs (3) on the auxiliary frame assembly (4) and to the hook of an assist crane.
  • Page 158 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Synthetic Tie-Down Wrapped Over Boom Chord Chain Tie-Down Wrapped Over Boom Chord Protective Covering (section of rubber tire) Figure 4-56 View A View B Item Description Crawler Blocking (if required) Blocking Under Boom Top Stand...

  • Page 159: Shipping Crane Components

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION SHIPPING CRANE COMPONENTS 3. If necessary per the capacity chart, swing the boom to either side of center and lower the load blocks and/or the It is the owner/user’s responsibility to ensure the following: hook-and-weight balls to the ground.
  • Page 160 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Fixed Mast Boom 115° Normal Operation 116° Disconnecting Straps Counterweight Strap (2) Pin with Collar, Retaining Pin, and Cotter Pins (2) Counterweight Links (4) Storage Pin with Hair Pins Cotters (2)

  • Page 161: Fixed Mast Lowering Methods

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION FIXED MAST LOWERING METHODS LOWERING FIXED MAST — PREFERRED METHOD WITH BOOM HOLDBACK There are two fixed mast lowering methods: Disconnect Counterweight Straps Preferred Method using Boom Holdback For this method, all of the procedures and steps given on Figure 4-58 for the following procedure.
  • Page 162 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL INSTALLED STORED View A View B Item Description Fixed Mast Boom Hoist Equalizer Stop Pin with Safety Pin (4) Pin with Hair-Pin Cotters (2) Pin with Collar, Retaining Pin, and Cotter Pins (2)

  • Page 163: Lower Fixed Mast To Disassembly Position

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Lower Fixed Mast to Disassembly Position 9. Remove the front stop pins (3, View B) from storage and install them to pin the equalizer (2) to the equalizer rails Figure 4-59 for the following procedure.
  • Page 164 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B View C View D View F View E Figure 4-60 4-102 Published 06-11-19, Control # 240-10...

  • Page 165: Disconnect Boom Sections

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-48 Item Description Stop Pin with Safety Pins (4) WARNING Storage Tube (4) Rails (2 sets) Crushing Injury Hazard! Live Mast Prevent serious crushing injury: Fixed Mast • Do not stand inside the boom sections while installing Boom Hoist Equalizer the tapered connecting pins —...
  • Page 166 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Assembled in Proper Sequence According to the Boom Rigging Drawing Item Description Partial Boom Remaining Boom Sections (inserts and top) Fixed Horizontal Pin (2) Hooked Connector (2) Figure 4-61 4-104 Published 06-11-19, Control # 240-10...

  • Page 167: Disconnect Boom Straps

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disconnect Boom Straps Disassemble Boom Sections Starting at the boom top disconnect and store the boom Figure 4-61 for the following procedure. straps between all of the boom sections, to include the 1,69 Using an assist crane, disassemble the boom sections (2) m (5.5 ft) straps on the 12 m (39.4 ft) insert with boom hoist...
  • Page 168 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Live Mast Fixed Mast Shackle: 25 t (28 USt) Shackle: 20.5 t (23 USt) Lifting Sling: 2,8 m (9 ft) Long Lifting Sling: 4 m (13 ft) Long Boom Hoist Equalizer...

  • Page 169: Remove Partial Boom

    Lower the live mast (1, View A) so the fixed mast (2) 7. Disconnect and store the hydraulic hoses for the boom is at approximately 67°. hinge pins as instructed in Section 4 of the MLC300 • To ensure the partial boom lifts level, attach the Crane Operator Manual.
  • Page 170 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Item Description Fixed Mast Boom Hoist Equalizer Blocking Fixed Mast Top Retaining Pin with Snap Pin (2) Lifting Sling (4): 2,8 m (9 ft) Long Lifting Lug (4) Shipping Rail (2)

  • Page 171: Disassemble Partial Boom

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disassemble Partial Boom 3. Continue the lowering process to lower the fixed mast onto blocking (3, View B) that is a minimum of 610 mm The partial boom can be disassembled with the fixed mast or (24 in) high.
  • Page 172 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL INSTALLED STORED View A View B Boom Assembled in Proper Sequence According to the Boom Rigging Drawing Item Description Fixed Mast Boom Hoist Equalizer Stop Pin with Safety Pin (4) Pin with Hair-Pin Cotters (2)

  • Page 173: Lowering Fixed Mast - Alternate Method With Anchored Holdback

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION LOWERING FIXED MAST — ALTERNATE 2. Make sure the stop pins (3, View A) are installed in the rear holes in the equalizer rails. METHOD WITH ANCHORED HOLDBACK 3. Remove the stop pins (3, View A) from the front holes in Remove Counterweight Boxes the equalizer rails and store the pins (View B).
  • Page 174 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A 8 620 kg (19,000 lb) 35 m (115 ft) Vertical Force View B 14 970 kg (33,000 lb) Horizontal Force View C Item Description Lifting Sling (4): 2,8 m (9 ft) Long...

  • Page 175: Anchor Boom Hoist Equalizer To Holdback

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Anchor Boom Hoist Equalizer to Holdback NOTE As the fixed mast rises, the crane control system m o n i t o r s m a s t t e n s i o n ( r i g h t s i d e o n l y ) a n d...
  • Page 176 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A FULLY RAISED View B View D View C Figure 4-66 4-114 Published 06-11-19, Control # 240-10...

  • Page 177: Removing Vpc-Max #503 Fixed Mast

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION REMOVING VPC-MAX #503 FIXED MAST Configure Live Mast in RCL/RCI Legend for Figure 4-66 Enter the Live Mast Configuration in the RCL/RCI Display. Refer to the RCL/RCI Operation Manual for instructions. Item Description...
  • Page 178 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B SHIPPING View A SHIPPING View C SHIPPING View D View E WORKING WORKING Figure 4-67 4-116 Published 06-11-19, Control # 240-10...

  • Page 179: Disconnect And Store Straps At Mast Top

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-67 3. Remove the pin (10, View D) from the working position. Item Description 4. Rotate the links (11, View D) forward from the working Counterweight Strap (2) position to the shipping position (View B).
  • Page 180 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C WORKING View A SHIPPING View B SHIPPING View D WORKING Figure 4-68 4-118 Published 06-11-19, Control # 240-10...

  • Page 181: Disconnect And Store Straps At Mast Inserts

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-68 3. Rotate the links (10, View C) forward from the working position to the shipping position (View B) and install pin Item Description the (5). Mast Strap (4) Counterweight Strap (4) 4.
  • Page 182 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B SHIPPING View D WORKING View A SHIPPING View E WORKING View C SHIPPING View G View F WORKING SHIPPING Figure 4-69 4-120 Published 06-11-19, Control # 240-10...

  • Page 183: Disconnect And Store Straps At Mast Butt

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-69 1. Remove the retaining pin (7, View A) from storage and install it in the shipping position over the counterweight Item Description strap (2) in the bracket (8). Mast Strap (2) Counterweight Strap (2) 2.
  • Page 184 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Live Mast Self-Erect Cylinder Handling Pendants (2) Mast Assist Arms (2) Lifting Link Storage Lugs Live Mast Straps (2) Fixed Mast Insert View A FULLY RAISED View C View B View D...

  • Page 185: Deploy Self-Erect Cylinder

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Deploy Self-Erect Cylinder 6. Lower the live mast (1, View D) until the self-erect cylinder (2) is hanging vertical over the handling Figure 4-70 for the following procedure. pendants (3, View A). 1. Confirm that the mast assist arms (4, View B) are fully Connect Handling Pendants raised before proceeding.
  • Page 186 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B View G View C View D View F View E Figure 4-71 4-124 Published 06-11-19, Control # 240-10...

  • Page 187: Store Load Lines

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-36 3. Tighten the lifting slings, and remove the pins (7, View C) from between the fixed mast top and insert. Item Description Insert: 12 m (39.4 ft) 4. Store the pins (7, View C) in the tubes (8) on the fixed Insert: 6 m (19.7 ft)
  • Page 188 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C View D View B Item Description Live Mast Self-Erect Cylinder (fully extended) Fixed Mast Butt and Top Assembly Lifting Sling (4): 2,8 m (9 ft) Long OR Lifting Sling (4): 4,0 m (13 ft) Long...

  • Page 189: Connect Fixed Mast Top To Fixed Mast Butt

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Connect Fixed Mast Top to Fixed Mast Butt 3. Using chocker hitches, attach the lifting slings (4, View D) to the lifting points (A and B) in the fixed mast top and Figure 4-35 for the following procedure.
  • Page 190 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Hydraulic Hoses (4 or 6) Storage Couplers (4 or 6) Hydraulic Couplers (4 or 6 with dust caps) Left Side of Rotating Bed Electric Cable with Dust Cap Electric Receptacle with Dust Cap...

  • Page 191: Disconnect Fixed Mast Hydraulic Hoses

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disconnect Fixed Mast Hydraulic Hoses 2. Thoroughly clean the end of the electric cable, the receptacle, and the dust caps. Figure 4-73 for the following procedure. 3. Connect a dust cap to the electric cable (5) and to the 1.
  • Page 192 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B View C See View A, page 4-132 View D View E View F View G Figure 4-74 4-130 Published 06-11-19, Control # 240-10...

  • Page 193: Disconnect Fixed Mast Butt And Top Assembly From Crane

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-74 4. Tighten the lifting slings from the assist crane and from the live mast so that the mast butt is loose on the Item Description bushing assemblies (8, View F).
  • Page 194 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL (4) Approximately 18 144 kg (40,000 lb) View A View B View C View D View F View E Figure 4-75 4-132 Published 06-11-19, Control # 240-10...

  • Page 195: Lower Mast Stops

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-31 4. Install the bottom pin (11, View D) to secure the strut (12) to the lugs on mast butt. Item Description Fixed Mast Butt 5. Lower the mast stop (10, View D) to the shipping...
  • Page 196 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View C View A View B Item Description Item Description Handrail with Safety Barricade Safety Pin (1 or 2 each handrail) Handrail Ladder (from crane) Handrail (4) VPC-MAX Beam Handrail with Safety Barricade...

  • Page 197: Removing Vpc-Max Beam And Trolley

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION REMOVING VPC-MAX BEAM AND TROLLEY 4. Using a hand-held tagline, lower the handrail (1-5) to ground level. Remove Handrails The heaviest handrail weighs 10 kg (22 lb). Figure 4-76 for the following procedure.
  • Page 198 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View C View B View D Item Description Pin with Quick-Release Pins (2) Auxiliary Frame Shackle (2): 20,5 t (23 USt) Lifting Sling (2): 2,8m (9 ft) Long Pin with Retaining Pins and Cotter Pins (4)

  • Page 199: Remove Auxiliary Frame Assembly

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Remove Auxiliary Frame Assembly Figure 4-77 for the following procedure. 1. Attach the shackles (4, View A) and lifting slings (5) to the lugs on the auxiliary frame (3) and to the hook of the assist crane.
  • Page 200 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL On current production units, the dust caps from the VPC-MAX Beam are stored here. View C View B View A Item Description Hose/Cable Storage Bracket (energy chain) 15 kg (33 lb) Hitch pin with Hair-Pin Cotter (4)

  • Page 201: Install Hose/Cable Storage Brackets

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install Hose/Cable Storage Brackets On current production cranes, Manitowoc provides the hose/ cable storage brackets shown in Figure 4-78. Install the hose/cable storage brackets, as follows: 1. Remove the hitch pins (2, View A).
  • Page 202 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View D View C View A View B Item Description VPC-MAX Trolley Counterweight Tray Scraper (2) VPC-MAX Beam Lifting Pendant (4) Lifting Plate (2) Lifting Lug (4) Lifting Sling (4) (owner furnished) Figure 4-79...

  • Page 203: Position Vpc-Max Trolley At End Of Beam

    VPC-MAX beam. Attach Lifting Slings to Counterweight Tray NOTE Manitowoc provides two lifting pendants (5, View C), a lifting plate (6), and two lifting lugs (7) on each side of the counterweight tray.
  • Page 204 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Trolley Installation Guide (2) Hair-Pin Cotter (4) Stop Block (2) VPC-MAX Beam Trolley Rail (2) VPC-MAX Trolley Counterweight Tray View A — WORKING View B — STORED View C— WORKING View D — STORED...

  • Page 205: Install Trolley Installation Guides

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Install Trolley Installation Guides Figure 4-80 for the following procedure. WARNING Falling Load Hazard! To prevent the VPC-MAX trolley from rolling off the trolley rails, do not remove the stop blocks from the ends of the...
  • Page 206 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Pendants VPC-MAX Trolley Pinion (2) Gear Rack (2) Beam Figure 4-81 4-144 Published 06-11-19, Control # 240-10...

  • Page 207: Disengage Trolley Drive Pinions From Gear Racks

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disengage Trolley Drive Pinions from Gear the drive pinions (3) are disengaged from the gear rack (4) on both sides of the VPC-MAX beam (5). Racks The drive pinions can be viewed from under the VPC- Figure 4-81 for the following procedure.
  • Page 208 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A View C Item Description Item Description Energy Chain Electric Cable VPC-MAX Beam Electric Cable Energy Chain Frame Counterweight Tray Hitch Pin with Hair-Pin Cotters (2) VPC-MAX Trolley Shorting Plug with Dust Cap...

  • Page 209: Disconnect Vpc-Max Trolley Hydraulic Hoses

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disconnect VPC-MAX Trolley Hydraulic Disconnect VPC-MAX Energy Chain from Hoses VPC-MAX Trolley Figure 4-82, View B for the following procedure. Figure 4-82 for the following procedure. 1. Disconnect the hydraulic hoses (12) from the hydraulic 1.
  • Page 210 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Trolley Rail (2) Gear Rack (2) Counterweight Tray VPC-MAX Trolley VPC-MAX Beam Trolley Rollers (4) Lifting Pendants (4) Lifting Plate (2) Lifting Sling (4) (owner furnished) View D View C View A...

  • Page 211: Remove Vpc-Max Trolley And Counterweight Tray

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Remove VPC-MAX Trolley and 3. Lower the lifting pendants (7, View D) until they are slack. Counterweight Tray 4. Disconnect the lifting pendants (7, View D) and the lifting Figure 4-83 for the following procedure.
  • Page 212 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description VPC-MAX Trolley Retaining Pin with Cotter Pins (4) Collar (4) Pin (4) Mounting Frame (2) Counterweight Tray View A View B View C Figure 4-84 4-150 Published 06-11-19, Control # 240-10...

  • Page 213: Remove Vpc-Max Trolley From Counterweight Tray

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Item Description Trailer Counterweight Tray Shackle (4): 20,5 t (23 USt) Lifting Sling (4): 2,8m (9 ft) long Lifting Lug (4) Figure 4-85 Remove VPC-MAX Trolley from 5. Lift the VPC-MAX trolley onto a trailer and secure it for shipping or store it in a safe location on the job site.
  • Page 214 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Shackle (2): 20,5 t (23 USt) Lifting Sling (2): 2,8m (9 ft) long VPC-MAX Beam Hook (2) Pin (2) 13 mm (1/2 in) VPC Trolley Stop Block (2) Blocking: 305 mm (12 in) high...

  • Page 215: Unhook Vpc-Max Beam From Rotating Bed

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Unhook VPC-MAX Beam from Rotating Bed 3. Follow with the assist crane during step 4. Using the switch on the remote control, travel the VPC Figure 4-86 for the following steps. trolley (7, View A) rearward until the distance (6, View C) 1.
  • Page 216 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL Item Description Shorting Plug with Dust Cap Electric Cable (WVT1E) VPC Trolley Electric Cable with Dust Cap (WVB3) VPC-MAX Beam (left side) Hydraulic Nipple Bulkhead Coupler (6) Hydraulic Hose (6) Figure 4-87 4-154...

  • Page 217: Disconnect Vpc-Max Beam-To-Vpc Trolley Electric Cable

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION NOTE Current production cranes are equipped with the hose/cable storage brackets shown in Figure 4-78 on page 4-138. If not already done, remove the hose/cable storage bracket (3, View A, Figure 4-78 on page...
  • Page 218 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A Item Description Shackle (4): 20,5 t (23 USt) Lifting Sling (4): 2,8m (9 ft) long VPC-MAX Beam Pin (2) Latch (2) VPC Trolley Spherical Bearing Carrier (2) Quick-Release Pin (2)

  • Page 219: Disconnect Vpc-Max Beam From Vpc Trolley

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Disconnect VPC-MAX Beam from VPC 3. Lift the VPC-MAX beam (3, View C) straight up so the spherical bearing carriers (7, View D) disengage the Trolley VPC trolley (6). Figure 4-88 for the following procedure.
  • Page 220 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B 3 places View A 2 places Figure 4-89 Item Description Safety Pin (2) Bracket (2) Hitch Pin with Hair-Pin Cotter (3) Handrails Handrail with Gate (2 legs) Handrail with Gate (1 leg)

  • Page 221: Store Handrails In Vpc-Max Beam

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Store Handrails in VPC-MAX Beam • Wide handrail with gate (5) must be installed at the bottom of the stack. Figure 4-89 for the following procedure. • Narrow handrail with gate (6) must be installed at 1.
  • Page 222 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View B View A View C View F View G View D Under View E Figure 4-90 4-160 Published 06-11-19, Control # 240-10...

  • Page 223: Fold Vpc-Max Beam For Shipping

    MLC300 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION Legend for Figure 4-13. Pin the lifting link (6) to the spreader beam with pin (4). Item Description Lifting Sling (2): 2,8 m (9 ft) long d. Remove pin (7) from storage in the spreader beam.
  • Page 224 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Item Description VPC-MAX Beam Spreader Beam (2) Shackle (2 or 4): 20,5 t (23 USt) Lifting Sling (2 or 4): 2,8m (9 ft) long Front Lifting Lug (2) Mid-Rear Lifting Lug (2)

  • Page 225: Install Vpc-Max Beam On A Trailer

    2. If the beam is un-folded, proceed as follows: WIRE ROPE INSTALLATION Connect four shackles (3, View B) and four lifting Refer to Section 4 of the MLC300 Operator Manual for the slings (4) to the lifting lugs (L1 and L2) on the VPC- following topics: MAX beam.
  • Page 226 SET-UP AND INSTALLATION MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4-164 Published 06-11-19, Control # 240-10...

  • Page 227: Section 5

    Lube and Coolant Product Guide ........... . . 5-1 Manitowoc...
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  • Page 229: Lube And Coolant Product Guide

    MLC300 VPC-MAX™ OPERATOR MANUAL LUBRICATION SECTION 5 LUBRICATION LUBRICATION See F2280, MLC300 Lubrication Guide, at the end of this section. LUBE AND COOLANT PRODUCT GUIDE See the publication at the end of this section. Manitowoc Published 06-11-19, Control # 240-10...
  • Page 230 LUBRICATION MLC300 VPC-MAX™ OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Published 06-11-19, Control # 240-10...
  • Page 231 VPC-MAX Beam-on-Hook Limit Switch Adjustment........6-19 Manitowoc...
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  • Page 233: Boom And Luffing Jib Angle Indicator Calibration

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE SECTION 6 MAINTENANCE This section contains maintenance and adjustment boom hoist brake if the boom is raised to the maximum boom instructions for the limit devices used with the luffing jib angle (3) attachment. F o r m a i n t e n a n c e a n d i n s p e c t i o n o f t h e f o l l o w i n g...
  • Page 234 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL View A SWITCH OPENED View B SWITCH CLOSED View D Limit Switch Wiring View C Right Side of Boom Butt Switch Wire Color Function Digital Level Terminals Maximum Boom Angle Angle (16) Black Normally Open 85°...

  • Page 235: Adjusting Automatic Boom Stop

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE Adjusting Automatic Boom Stop b. Turn the adjusting rod (2a or 2b) all the way into the coupling (4). Figure 6-3 for the following procedure. Boom up slowly until the boom reaches the The limit switch for the automatic boom stop was set at the specified angle.
  • Page 236 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL STORED STORED Behind Roller 1-Part Line 2-Part Line Item Description Position Indicator Light Wind Speed Indicator Limit Switch (lower and upper jib point) Chain Weight with 2-Chain Attachments Lift Plate Hook-and-Weight Ball Weight with 1-Chain Attachment...

  • Page 237: Block-Up Limit Installation And Adjustment

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE BLOCK-UP LIMIT INSTALLATION AND The luffing jib block-up limit system consists of the following components (Figure 6-4): ADJUSTMENT A normally closed limit switch assembly (3) fastened at either or both of the following locations: Lower Jib Point WARNING b.
  • Page 238 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL 24,6 mm (31/32 in) Dimension A 22,6 mm 26 mm (1-1/32in) (7/8 in) Typical for Upper and Lower Jib Points Limit Switch Wiring Switch Wire Color Function Item Description Terminals Bracket Black Normally Open Cover...

  • Page 239: Maintenance

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE Maintenance corresponding load drum should stop hoisting and the boom/luffing hoist should not operate in the down direction. CAUTION Prevent Damage CAUTION To prevent two-blocking from occurring, do not operate Avoid Sheave Damage crane until cause for improper operation and all Use extreme care when the testing the block-up limit hazardous conditions have been found and corrected.
  • Page 240 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL View A View B Boom Hoist Pawl ENGAGED Boom Hoist Pawl DISENGAGED Item Description Ratchet Pawl Limit Switch Spring Eye Bolt with Nuts Hydraulic Cylinder Screw Lever Shaft Roller Blue Jumper Wire Limit Switch Wiring...

  • Page 241: Boom Hoist Pawl Adjustment

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE BOOM HOIST PAWL ADJUSTMENT Disengage the boom hoist pawl by moving the Drum 5 park switch to the un-parked position. It may be Figure 6-6 for the following procedure. necessary to boom up slightly before the pawl will disengage the ratchet.

  • Page 242: Boom Hoist Pressure Roller Adjustment

    MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL Initial Adjustment: 289 mm (11-3/8 in) with Roller Against Bare Drum Item Description Item Description Pressure Roller Lock Nut Boom Hoist (Drum 5) Spring FIGURE 6-7 Pressure Reading Pressure Reading Cylinder Part #84034173 Cylinder Part #84030450 12,7 bar at -1°C...

  • Page 243: Mast Stop Pressure Check

    Take corrective action if either gauge does not read the proper pressure. Contact the Manitowoc Crane Care Lattice 6. Release the lever (1). The hazard warning and MAST Team. STOP FAULT icon should go off.
  • Page 244 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL Minimum Position Maximum Position View of Limit Switches Looking Outward through Dimension Left Access Hole in Bottom of VPC Trolley. 1 000 mm 39.37 in Figure 6-12 For Limit Switch Wiring see 3 915 mm 154.13 in...

  • Page 245: Vpc Trolley Limit Switch Checks

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE VPC TROLLEY LIMIT SWITCH CHECKS Perform the VPC trolley limit switch checks: • Each time the crane is assembled at a new job site • Each time the VPC-MAX attachment is installed Verify that all three limit switch levers are installed parallel to the VPC trolley limit switch housings.
  • Page 246 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL VPC-MAX Beam Minimum Position VPC-MAX Beam Maximum Position FRONT of Crane View of Limit Switches Looking Outward through Left Access Hole in Bottom of VPC Trolley. Figure 6-12 For Limit Switch Wiring see Dimension Item...

  • Page 247: Vpc-Max Beam Limit Switch Checks

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE VPC-MAX BEAM LIMIT SWITCH CHECKS d. In the main display (Figure 6-14), the minimum position (A) limit switch icon (3) must indicate that Perform the VPC-MAX beam limit switch checks each time the limit switch is TRIPPED.
  • Page 248 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL VPC-MAX Trolley Minimum Position VPC-MAX Trolley Maximum Position Dimension 1 438 mm 56.6 in 8 015 mm 315.5 in FRONT of Crane View of Limit Switches Looking Outward through Left Access Hole in Underside of VPC-MAX Trolley.

  • Page 249: Vpc-Max Trolley Limit Switch Checks

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE VPC-MAX TROLLEY LIMIT SWITCH CHECKS Perform the VPC-MAX beam limit switch checks each time the VPC-MAX attachment is installed. Verify that both limit switch levers are installed parallel to the VPC trolley limit switch housings as shown in Figure 6-16.
  • Page 250 MAINTENANCE MLC300 VPC-MAX™ OPERATOR MANUAL Figure 6-12 For Limit Switch Wiring see Item Description Limit Switch: Beam-on-Hook (right side) VPC-MAX Beam Rear of Rotating Bed Actuator Limit Switch Lever Limit Switch Shaft Set Screw VPC Trolley Stop Block (2) View B...

  • Page 251: Vpc-Max Beam-On-Hook Limit Switch Adjustment

    MLC300 VPC-MAX™ OPERATOR MANUAL MAINTENANCE Turn each limit switch shaft (7, View B) in the following direction until the limit switch “clicks” and hold. COUNTERCLOCKWISE for right side limit See Legend in switch (when viewing shaft) Figure 6-18 CLOCKWISE for left side limit switch (when...
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  • Page 253 Manitowoc Dealer........
  • Page 254 MLC300 VPC-MAX™ OPERATOR MANUAL Operating Controls and Procedures ..........3-3 Operating Precautions.

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