Manitowoc 2250 Operator's Manual

Manitowoc 2250 Operator's Manual

Luffing jib
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Manitowoc 2250
Operator Manual
Luffing Jib Attachment

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Summary of Contents for Manitowoc 2250

  • Page 1 Manitowoc 2250 Operator Manual Luffing Jib Attachment...
  • Page 3 The serial number of the crane and applicable attachments (i.e. luffing jib, MAX-ER ) is the only method your Manitowoc dealer or Manitowoc Crane Care 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 5: Table Of Contents

    Manitowoc Dealer ........
  • Page 6 TABLE OF CONTENTS 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Disassembly Precaution ............2-23 Personnel Handling Policy .
  • Page 7 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL TABLE OF CONTENTS Install Main Strut Stops............4-15 Install Luffing Rope Guide Assembly .
  • Page 8 TABLE OF CONTENTS 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Shackle ..............4-81 SECTION 5 .
  • Page 9: Section 1

    Manitowoc Dealer ........
  • Page 11: Crane Data

    CRANE DATA CHANGE OF OWNERSHIP REGISTRATION See the end of this section for crane data specific to your If you are the new owner of a Manitowoc crane, please crane: register it with Manitowoc Crane Care so we can contact you if the need arises.
  • Page 12 INTRODUCTION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Jib Pendant Links Lower Jib Upper Jib Point Spreader Basic Jib Jib Strut Point and Rollers Pendants Pendants Luffing Jib Load Hoist Line Lines Jib Ratchet Link Wire Rope Guides 3-Sheave...
  • Page 13: Crane Weights

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL INTRODUCTION CRANE WEIGHTS Weights may fluctuate ±3% due to manufacturing NOTE: tolerances Weight Description Pounds Kilograms LIFTCRANE: Upperworks and lowerworks complete, counterweight, gantry, backhitch, fully rigged 70 ft (21,3 m) boom No. 44 with one piece butt and heavy lift top (including upper boom point, 300 USt...
  • Page 14 INTRODUCTION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Weight Description Pounds Kilograms BOOM NO. 44: 40 ft 0 in (12,2 m) butt 8,605 3 903 30 ft 0 in (9,1 m) top (with lower point, wire rope guide) 11,625...
  • Page 15 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL INTRODUCTION Weight Description Pounds Kilograms NO. 140 JIB: 20 ft 0 in (6,1 m) butt - - - - - - - - - - 1,020 20 ft 0 in (6,1 m) top (with jib point sheaves)
  • Page 16: English And Metric Conversions

    INTRODUCTION 2250 #133 OR 133A LUFFING JIB OPERATOR’S 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 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL INTRODUCTION To Convert Symbol Application Symbol Multiply By VOLUME (LIQUID) 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...
  • Page 19 Pedestal Mounted Crane ............2-26 Manitowoc...
  • Page 20 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Definition ............. . 2-26 Examples .
  • Page 21: Continuous Innovation

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION SECTION 2 SAFETY INFORMATION Safety Alert Symbol WARNING California Proposition 65 This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety...
  • Page 22 SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S 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...
  • Page 23: Safety And Information Signs

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION 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 Tire Pressure Level...
  • Page 24: Crane Access Points

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL CRANE ACCESS POINTS • Access points must be kept clear to prevent personal injury and unsafe operation of crane. Store clothing and other personal belongings so they do not interfere with controls in operator’s cab or with operation of crane.
  • Page 25 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION P824 Catwalks Boom Butt View E Catwalk P823 Gantry View D P821 Catwalk Tube View A Standard Cab Shown Steps (2 places) (4 places) A1048 Rear Load Drums View C...
  • Page 26 SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A03893 Elevated Cab Catwalk/ Back-Up Catwalk/ Shown Platform Power Plant Platform Operator’s Stairs Enter/ Exit Catwalk/Platform Between Drums Enter/ Exit Catwalk/ View E Platform Elevated Cab FIGURE 2-1 continued Published 03-13-13, Control # 015-06...
  • Page 27: Operator's Manual/Capacity Chart Storage

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION OPERATOR’S MANUAL/CAPACITY CHART 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 manuals or Manitowoc provides the following manuals and other Capacity Charts.
  • Page 28: Safe Operating Practices

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFE OPERATING PRACTICES No personnel shall be allowed to climb onto crane or enter crane cab unless performance of their duties General r e q u i r e s t h e m t o d o s o , a n d t h e n o n l y w i t h knowledge of operator or other qualified person.
  • Page 29 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION operation, the crane shall not be operated until unsafe All attachments are properly assembled and conditions have been corrected. attached to the crane according to the rigging drawings called for in the Capacity Chart.
  • Page 30: Handling Load

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL 13. If the crane will be operated at night, the operator shall Handling Load make sure that there is sufficient lighting for safe Size of Load operation. The load and landing area shall be illuminated.
  • Page 31: Lifting/Moving Load

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION Secure unused legs of a multi-leg sling before handling Accelerate and decelerate the load smoothly to a load with one leg of sling. avoid excessive stress on the crane boom and machinery.
  • Page 32: Multiple Load Line Operation

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL p r e ve n t s h ift in g , t o p p li n g , o r e xc e ss iv e reduce crane ratings, load position, boom position, settlement under load.
  • Page 33: Signals

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION Operator is still responsible for knowing load and SIGNALS radius whether or not crane is equipped with load Continuous communication shall maintained indicator(s). between the operator and the signal person during all Manitowoc recommends that each load line be equipped crane movements.
  • Page 34: Safety Devices

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY DEVICES OPERATIONAL AIDS WARNING WARNING Do not operate crane unless all safety devices listed in Do not operate crane unless all applicable operational this section are in proper working order.
  • Page 35: Category 2 Operational Aids

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION d. Clearly mark the boom or luffing hoist cable (so it Refer to the pendulum boom angle indictor on the can easily be seen by a designated signal person) boom butt (viewable from operator’s cab).
  • Page 36: Assembling, Disassembling, Or Operating Crane Near Electric Power And Transmission Lines

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL ASSEMBLING, DISASSEMBLING, OR Crane operation is dangerous when close to an energized electrical power source. Exercise extreme OPERATING CRANE NEAR ELECTRIC caution and prudent judgement. Operate slowly and POWER AND TRANSMISSION LINES cautiously when in the vicinity of power lines.
  • Page 37: Electrocution Hazard Devices

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION source. This person should have no other duties while The insulating characteristics of these devices can be the crane is working. compromised if not kept clean, free of contamination, and undamaged.
  • Page 38: Refueling

    SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL COMPLETELY CLEAR OF CRANE. DO NOT STEP SAFE MAINTENANCE OFF. Hop away with both feet together. DO NOT walk or run. Following any contact with an energized electrical source, your Manitowoc dealer must be immediately...
  • Page 39 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION Place a warning sign at the start controls alerting 12. Avoid battery explosion: do not smoke while performing other personnel that crane is being serviced and the battery maintenance or short across battery terminals to engine must not be started.
  • Page 40: 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 41: Boom Disassembly Safety

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION FIGURE 2-3 BOOM DISASSEMBLY SAFETY Workers involved with boom disassembly must be trained and experienced in the operation and disassembly of construction cranes. The workers must read and thoroughly understand the assembly and disassembly instructions in...
  • Page 42 SAFETY INFORMATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A1301 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 –...
  • Page 43: Pin Removal

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION Pin Removal When removing pins from boom sections, stand clear of pins being removed. Even though the boom is resting on blocking, individual pin connections may still be under load.
  • Page 44: 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 45 • Hoisting personnel within 20 ft (6 m) of a power line that signs must be in place and legible. We also urge Manitowoc is up to 350 kV or within 50 ft (15 m) of a power line that...
  • Page 46: Pedestal/Barge Mounted Cranes

    Manitowoc does not permit use of a truck crane on a barge, ship or floating platform. Pedestal Mounted Crane Carbody Also see ASME publication B30.8-2004, Floating Cranes...
  • Page 47: Barge Mounted Crane

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION Barge Mounted Crane restrained by curbing and end stops (Figure 2-8). When not working, the crane carbody is anchored with tie- Definition downs to the foundation. Traveling with load is not permitted.
  • Page 48: Capacity Charts

    Trim Pitch FIGURE 2-10 Capacity Charts Operation On Barge Manitowoc provides two types of Capacity Charts for a crane General mounted on a barge or other supporting structure under Machine list and/or dynamics will be experienced when a static conditions.
  • Page 49: Crane Inspection

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL SAFETY INFORMATION angle between horizontal and a line drawn through overloading in the following load bearing components is centerline of the crane’s boom hinge pins. required. Correct each defect found before placing the crane into service.
  • Page 51: Section 3

    Wind Conditions............3-5 Manitowoc...
  • Page 53: Standard Hand Signals For Controlling Crane Operations

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL OPERATION SECTION 3 OPERATION STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS The following standard hand signals comply with ASME B30.5 USE WHIPLINE. (Auxiliary LOWER. With arm extended HOIST. With forearm vertical, USE MAIN HOIST. Tap fist on Hoist.) Tap elbow with one...
  • Page 54 OPERATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL STOP. Arm extended, palm EME RG ENCY STO P. Both T R AV E L . A r m e x t e n d e d DOG EVERYTHING. Clasp down, move arm back and...
  • Page 55: General Operation

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL OPERATION GENERAL OPERATION angle when raising boom and jib from ground and lowering boom and jib to ground. The instructions in this section supplement the operating The digital display also displays system faults and operating control instructions in the Crane Operator’s Manual.
  • Page 56: Boom/Luffing Hoist Control

    OPERATION 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Do not use limit bypass switch to lower jib below MAX NOTE: The boom cannot be lowered until the boom hoist DOWN limit. Jib butt will contact boom top, resulting in pawl is disengaged.
  • Page 57: Wind Conditions

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL OPERATION adjustment procedures. See separate Rated Capacity WIND CONDITIONS Indicator/Limiter Manual for operation and calibration of Wind adversely affects lifting capacity and stability. The the RCL. result could be loss of control over the load and crane, even Make sure proper luffing jib capacity chart is selected to if the load is within the crane’s capacity.
  • Page 59 Assist Crane ............4-39 Manitowoc...
  • Page 60 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Raising Procedure A – 200 - 220 ft (61- 67,1 m) Boom..... 4-41 Raising Procedure B –...
  • Page 61: General Rigging Information

    Optional boom ladders (stored in boom butt) are available • MAX-ER 2000 with #79-44 Boom from Manitowoc. If your crane has ladders, see Section 4 in Operator’s Manual provided with crane. For the remainder of this section, luffing jib attachment is referred to as jib or attachment.
  • Page 62: Crane Weights

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL See the Raising Procedure with Outside Assist charts for The boom and jib components (top, inserts, butt, pendants) assist crane requirements when equipped with a boom and must be assembled in proper sequence according to the jib combination requiring outside assist for raising and Luffing Jib Rigging Assembly drawing.
  • Page 63 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION A528 Jib Angle Horizontal Boom to Jib Angle Boom Boom Angle Horizontal FIGURE 4-1 20 ft 1-1/2 10 ft 1 in 40 ft 3 in Wire Rope Timbers in (6,13 m)
  • Page 64: Boom And Jib Connectors

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL BOOM AND JIB CONNECTORS DRUM SPACER The boom sections have FACT connectors — two fixed The crane can be equipped with a 73 in (1,9 m) wide rear vertical top pins and two removable horizontal bottom pins at drum for Ringer operation.
  • Page 65: Shipping Crane Components

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION SHIPPING CRANE COMPONENTS P2498 It is the owner/user’s responsibility to ensure the following: • That all trailer loads comply with local, state, and federal transportation requirements. • That all crane components are properly blocked and secured so they cannot fall off the trailers.
  • Page 66 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL THIS PAGE BLANK Published 03-13-13, Control # 015-06...
  • Page 67: Jib Storage

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION JIB STORAGE To reduce shipping space and the number of vehicles WARNING needed to ship boom and jib, the fixed jib sections can be stored inside the 20 and 40 ft boom or luffing jib inserts as Falling Boom! ind ica te d in t he tab le.
  • Page 68 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Table 4-1 #140 Stored in 133 or 133A Figure 4-6 Jib Sections Boom Insert Illustration 2, 20 ft (6,10 m) Inserts 40 ft (12,19 m) Butt and 20 ft (6,10 m) Insert...
  • Page 69 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Shipping Arrangements FIGURE 4-6 Manitowoc Published 03-13-13, Control # 015-06...
  • Page 70 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Pendant Link Backstay (if required) Pendant P830 P831 Retaining Backstay Adapter Backstay Adapter 13-1/2 in (0,34 m) Long 200-280 ft View A View B (61-85,3 m) (2 places #49A-44 Boom)
  • Page 71: Installing Jib

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION INSTALLING JIB 10. Fasten luffing hoist wire rope guides to proper boom sections (see rigging drawing): Lower Boom • Bottom chords of boom butt (#44, 44A, and 49A-44 boom).
  • Page 72 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL 150 – 200 ft Guide (45,7 – 61 m) Jib Sheaves REMOVE Strap Support Bracket from Both Rounded Edge Sides of Jib Point of Frame Up Roller Jib Top...
  • Page 73: Install Jib Butt

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Install Jib Butt Pin inserts and jib top to butt in proper sequence with shortest inserts nearest butt (see rigging drawing). See Figure 4-8 for following procedure. The top connectors are joined in one of two manners: Pin jib butt to lugs on boom top with hinge pins (View A).
  • Page 74 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Jib Strut P834 P833 Pins Backstay Pins Pendant Link Pendant Link Basic Main Backstay Pendant Link Strut Pendant View A View D Pins with (2 places) (2 places) Heads...
  • Page 75: Install Jib Strut

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Install Jib Strut Install spreaders at proper locations as pendants are pinned together. Install connecting pins with heads See Figure 4-9 for following procedure. up (Figure 4-9, View B).
  • Page 76 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Bracket (guides load line from left rear drum when raising/lowering main strut) P834 Top Pin Backstay (2 places) Pendant Link Pins Operating Position Basic Backstay Pendant Main Strut Rope...
  • Page 77: Install Luffing Rope Guide Assembly

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Install Luffing Rope Guide Assembly Install Backstay Pendants See Figure 4-10 for following procedure. Pin basic backstay pendants to pendant links on main strut (Figure 4-10, View A). Pin rope guide beam to boom top (past production models only).
  • Page 78 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Snap Storage A824 Main Strut Bracket on Luffing Rope Strut Guide Assembly Handling 1-1/8 inch Socket Pendant View A and Wedge Load Line from Main Left Rear Drum Strut...
  • Page 79: Raise Main Strut And Connect Backstay Pendants

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Raise Main Strut and Connect Backstay Guide load line from left rear drum through proper sheave in rope guide on boom butt (Figure 4-41). Pendants Connect socket and wedge for 1-1/8 inch rope to load line from left rear drum.
  • Page 80 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A824 Haul in Load Line as Main Strut is Lowered Pay Out Luffing Hoist Line to Lower Main Strut until Stop Quick-Release Tubes are Fully Retracted Pin Installed Storage...
  • Page 81: Install Load Line To Boom

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION 10. Haul in load line and pay out luffing hoist line until main Keep in mind, however, that weight of load block, load strut stop tubes are fully retracted (Figure 4-12, View A).
  • Page 82: Connect Electric Cords And Adjust Indicators And Limits

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Connect Electric Cords and Adjust required for boom and jib length in use). See Luffing Jib R a i s i n g P r o c e d u r e C h a r t f o r s h e a v e r e m o v a l Indicators and Limits requirements.
  • Page 83 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-23 Published 03-13-13, Control # 015-06...
  • Page 84 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A529 Outer Strut Storage Hole Quick-Release Pin Installed Inner Strut View D 30 ft (9,1 m) Long Jib Stop Pendant Boom Raised Until Jib Stop Inner Pinned to Boom Top...
  • Page 85: Raising Boom And Jib - Standard Arrangement

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION RAISING BOOM AND JIB — STANDARD on bottom lacings in boom. Then pay out 4 ft (1,2 m) more cable. Jib stop inner strut will not extend ARRANGEMENT properly if control cable is not slack.
  • Page 86 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Unpin jib stop inner strut from retracted position. A532 Connect 30 ft (9,1 m) long jib stop pendants. Raise jib strut (luff up) until jib pendants just start to go into tension.
  • Page 87 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION If boom and jib will be raised using In-Line Method, b. Slowly raise jib strut (luff up) until jib pendants start proceed as follows (Figure 4-15): to go into tension and stop. It will be necessary to use limit bypass switch if MAX UP 1 limit is on.
  • Page 88 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A532 Unpin jib stop inner strut from retracted position. Connect 30 ft (9,1 m) long jib stop pendants. Keep jib pendants slack until boom and jib are raised to specified boom to jib angle.
  • Page 89 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION If boom and jib will be raised using Jack-Knife Method, when basic jib pendants rise above top chords proceed as follows (Figure 4-16): of jib. It will be necessary to use limit bypass switch to luff down if BLOCK UP limit is on.
  • Page 90 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A533 Raise jib to 168° boom to luffing jib angle. Lower load blocks and/ or hook and weight balls onto ground. Swing upper in-line over front of crawlers. Travel front crawler rollers onto blocking.
  • Page 91: Lowering Boom And Jib - Standard Arrangement

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION LOWERING BOOM AND JIB — STANDARD ground. Then swing boom and jib in-line with crawlers or carrier. ARRANGEMENT The following lowering procedure does not apply to boom and jib combinations which must be lowered with OUTSIDE ASSIST.
  • Page 92 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A533 Position jib at required boom to luffing jib angle. Raise boom to 80° or higher boom angle. Lower load blocks and/ or hook and weight balls onto ground.
  • Page 93 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION g. Remove both quick-release pins from storage holes Slowly lower boom until jib point rollers contact and install pins to connect jib stop inner strut to ground. outer strut in retracted position (Figure 4-13, It will be necessary to use limit bypass switch to View D).
  • Page 94 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Lower Tube A824 Quick-Release Stop Pin Stored Support Beam Backstay Lower View H Middle Pendant Tube View A Tube Pay Out Load Line to Main Haul In Luffing Lower Main Strut...
  • Page 95: Lowering Jib Strut And Main Strut

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION LOWERING JIB STRUT AND MAIN STRUT Pay out luffing hoist line to lower main strut until hole in both middle tubes lines up with bottom hole in both lower tubes (Figure 4-19, View E).
  • Page 96: Removing Jib

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL b. Rope guide beam and strut support beam (Figure 4-10). Past production models only. CAUTION Boom ratchet links and backstay pins (Figure 4-8, Strut Damage! View C) or backstay links (Figure 4-7, View A and Lower main strut as slowly as possible;...
  • Page 97: Raising And Lowering Procedure - Outside Assist

    Danger Tag Danger tag, Manitowoc No. 147841 shown in Figure 4-20, shall be attached in the 2250 operator’s cab in clear view of WARNING the operator as a reminder that boom-luffing jib combination Tipping Hazard! in use requires outside assist for raising and lowering.
  • Page 98 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A590 WARNING Falling Boom—Jib Hazard! Keep load line from assist crane vertical during raising and lowering procedure. Use Hook from extreme care not to side load main strut. Outside Assist...
  • Page 99: Lifting Bracket

    The assist crane must carry the entire load of the boom and small an assist crane or positioning and operating assist luffing jib during the raising and lowering procedure — 2250 crane improperly will result in tipping. Boom and luffing jib boom hoist must not carry any part of load.
  • Page 100 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A591 RAISING PROCEDURE A 200 - 220 ft (67 - 67,1 m) Boom Circled reference numbers correspond to numbered steps in raising procedure. FIGURE 4-22 4-40 Published 03-13-13, Control # 015-06...
  • Page 101: Raising Procedure A - 200 - 220 Ft (61- 67,1 M) Boom

    Jib stop control cable must be slack at all times Pay out 2250 boom hoist wire rope so there is a slight during luffing jib operation; otherwise, cable sag in boom rigging.
  • Page 102 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL See Figure 4-22 for following procedure. 18. Pay out load lines from 2250 as boom and luffing jib are raised. WARNING WARNING Tipping Crane Hazard! Tipping Crane Hazard! Keep jib pendants slack until boom and luffing jib have...
  • Page 103 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-43 Published 03-13-13, Control # 015-06...
  • Page 104 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A595 RAISING PROCEDURE B 230 ft (70,1 m) Boom and Longer Circled reference numbers correspond to numbered steps in raising procedure. FIGURE 4-23 4-44 Published 03-13-13, Control # 015-06...
  • Page 105: Raising Procedure B - 230 Ft (70,1 M) Boom And Longer

    Then in this section. pay out three more feet of cable. Pay out 2250 boom hoist wire rope so there is a slight Jib stop control cable must be slack at all times sag in boom rigging.
  • Page 106 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL See Figure 4-23 for following procedure. 18. Pay out load lines from 2250 as boom and luffing jib are raised. WARNING Tipping Crane Hazard! WARNING Keep jib pendants slack until boom and luffing jib have...
  • Page 107 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-47 Published 03-13-13, Control # 015-06...
  • Page 108 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A591 LOWERING PROCEDURE A 200 - 220 ft (67 - 67,1 m) Boom Circled reference numbers correspond to numbered steps in raising procedure. FIGURE 4-24 4-48 Published 03-13-13, Control # 015-06...
  • Page 109: Lowering Procedure A - 200 - 220 Ft (61- 67,1 M) Boom

    Crane will tip. Raise boom to 83° or higher. 15. Pay out 2250 boom hoist wire rope to maintain a slight Position luffing jib so boom to luffing jib angle is 60°. sag in boom rigging as boom and luffing jib are lowered with assist crane.
  • Page 110 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL See Figure 4-24 for following procedure. Unpin both 30 ft (9,1 m) long jib stop pendants from underside of boom top and lay pendants on ground. b. Slowly lower boom and luffing jib with assist crane to retract jib stop inner strut.
  • Page 111 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-51 Published 03-13-13, Control # 015-06...
  • Page 112 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A595 LOWERING PROCEDURE B 230 ft (70,1 m) Boom and Longer Circled reference numbers correspond to numbered steps in lowering procedure. FIGURE 4-25 4-52 Published 03-13-13, Control # 015-06...
  • Page 113: Lowering Procedure B - 230 Ft (70,1 M) Boom Or Longer

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Lowering Procedure B – 230 ft (70,1 m) 10. Pay out 2250 boom hoist wire rope to maintain a slight sag in boom rigging as boom and luffing jib are lowered Boom or Longer with assist crane.
  • Page 114 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL See Figure 4-25 for following procedure. Rotate jib stop struts forward as shown in Figure 4-19, View D (use assist crane or lever Stop lowering boom and luffing jib when jib stop operated hand hoist).
  • Page 115 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-55 Published 03-13-13, Control # 015-06...
  • Page 116 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Item Qty. Description Backstay Link 2 or 4 Pin with Cotter Pins Washer Retaining Pin with Cotter Pins Backstay Support Pin with Cotter Pins Pin with Cotter Pin P875...
  • Page 117: Jib Rigging - #140 Fixed Jib

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION JIB RIGGING – #140 FIXED JIB For #133A Luffing Jib proceed as follows: Lift backstay link (1) into position at end of General appropriate luffing jib insert. Links are symmetrical, so their position does not matter.
  • Page 118 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL P879 Luffing Fixed Fixed Jib Top Jib Strut Jib Strut P877 P878 P880 View A View B View C View D Fixed Jib Strut Luffing Jib Top Rollers A108...
  • Page 119: Install Jib Sections

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Install Jib Sections 10. Repeat steps 6 – 9 until all inserts are installed. Install Jib Top See Figure 4-28 for following procedure. DANGER Lift jib top (J2) into position and engage top connector...
  • Page 120: Install Load Line

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Install Load Line Install block-up limit for fixed jib point (see Block-Up Limit Control in Section 6 of this manual). NOTE: If boom and luffing jib will be jack-knifed into...
  • Page 121 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-61 Published 03-13-13, Control # 015-06...
  • Page 122: Raising Boom And Jibs (Luffing And Fixed)

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A1083 Slings from Assist Crane Links (L2) P886 Backstay Pendant (P3) View A ITEM NUMBERS CORRESPOND TO STEPS IN RAISING BOOM AND JIB PROCEDURE View B Fixed Jib Strut...
  • Page 123 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Perform pre-rasing checks given earlier in this section. CAUTION Raise boom and luffing jib (jack knife) to BOOM TO LUFFING JIB ANGLE specified in Luffing Jib Raising Avoid Jib Damage! Procedure Chart.
  • Page 124: Lowering Boom And Jibs

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A1083 ITEM NUMBERS CORRESPOND TO STEPS IN LOWERING BOOM AND JIB PROCEDURE View A (See Figure 4-30 View D) View B (See Figure 4-30 View B) View C FIGURE 4-31 Lowering Boom and Jibs See Figure 4-31 for following procedure.
  • Page 125: Removing Fixed Jib

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION CAUTION WARNING Avoid Jib Stop Damage! Tipping Crane Hazard! Do not continue to lower boom or luffing jib once fixed jib rollers contact ground. Damage to fixed jib stop pendants Lower all boom and jib combinations over blocked and/or fixed jib butt will occur.
  • Page 126 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL THIS PAGE BLANK 4-66 Published 03-13-13, Control # 015-06...
  • Page 127: Wire Rope Installation

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION WIRE ROPE INSTALLATION Provide a brake at shipping reel (see Figure 4-33) so wire rope can be wound tightly onto drum. NOTE: Wire rope manufacturer’s recommendations take Avoid a reverse bend when winding wire rope onto precedence over information in this section.
  • Page 128: Seizing And Cutting Wire Rope

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Seizing and Cutting Wire Rope Anchoring Wire Rope to Drum Apply tight seizings of annealed wire to the ends of all wire See Figure 4-35 for following procedure. rope. If not done, the rope wires and strands may slacken.
  • Page 129: Winding Wire Rope Onto Drum

    2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Winding Wire Rope onto Drum Wraps of First Layer Tight Against See Drum and Lagging Chart in Capacity Chart Manual for Wedge Drum and Against Each Other correct size of drum laggings, if used.
  • Page 130: Anchoring Wire Rope To Wedge Socket

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Anchoring Wire Rope to Wedge Socket Assemble wire rope and wedge to socket so live end of wire rope is in a straight line with socket pin hole. Do not assemble WRONG as shown.
  • Page 131 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION T (Rope Clip Nut Torque) Wire Rope/Clip Size TL (Tail Length) inch 1-1/8 1-1/4 (mm) (22,23) (25,4) (28,58) (31,75) Standard 6 to 8 Strand Wire Rope Minimum of 6 rope diameters, Torque but not less than 6 in (152 mm).
  • Page 132: Anchoring Wire Rope To Button Socket

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL Anchoring Wire Rope to Button Socket and periodically throughout the wire rope’s life from release of the load. See Figure 4-38 for following procedure. When slackness is noted, tightly wind the dead wraps of wire Remove pin from socket.
  • Page 133 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION A1189 Sucker Line Rope Pull Sucker Line with Clips Winch or Fork-Lift Truck Sucker Line Wire Rope from Drum P1519 Boom Point Sheaves Wire Rope Load Block Sheaves (EXAMPLE) No.
  • Page 134: Load Block Reeving

    SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL LOAD BLOCK REEVING Duplex Hook The duplex hook capacities are based on the lifting sling Reeving Diagrams angles given in Figure 4-40. Attach the load so it is balanced This topic provides load block reeving information for the equally on each ear of the hook.
  • Page 135 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION THIS PAGE BLANK Manitowoc 4-75 Published 03-13-13, Control # 015-06...
  • Page 136 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL 2250 or 2250T MAX-ER 225 MAX-ER 2000 #44 or 44A Boom #49A-44 Boom #79-44 Boom NOTE 2 NOTE 2 NOTE 2 14-5/8 in 13-3/8 in (371 mm) (340 mm)
  • Page 137 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION MAX-ER 2000 Attachment Drum in Boom Butt #140 Fixed Jib 1 or 3-O Drum on Front of Rotating Bed Guide Sheaves in No Drum Here Jib Strut NOTE 4...
  • Page 138 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A712 A483 Lower Boom Point Load Block 2 PART 3 PART 4 PART 5 PART Upper Jib Point Reeving Diagrams #133 or 133A Luffing Jib Upper Wire Dead End...
  • Page 139 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL SET-UP AND INSTALLATION Point 2 PART Load Block 4 PART 3 PART Load Sensing Sheaves Fixed WARNING Jib Point Avoid Death or Serious Injury! If you are using a load block that can be stood up vertically for Dead End Here reeving, exercise care, as the potential for tipping exists.
  • Page 140 SET-UP AND INSTALLATION 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL A769 VIEW A Without Luffing Hoist Item Description Tieback Lug (1-3/4 inch Diameter) Tieback Lug (1-5/16 inch Diameter) Shackle (1-1/2 inch) Shackle (1-1/8 inch) Tieback Sling VIEW B Load Block...
  • Page 141: Load Block Tieback

    See Figure 4-44 for identification of tieback hole diameter See Figure 4-44 for this topic. and shackle size. General Manitowoc provides a lug on the front of the rotating bed CAUTION (View A) and on the luffing hoist frame (View B) for tieing Avoid damage to boom: back the load block when not in use.
  • Page 143 Lube and Coolant Product Guide ......... . 5-1 Manitowoc...
  • Page 145: Lubrication Guide

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL LUBRICATION SECTION 5 LUBRICATION LUBRICATION GUIDE See F2105 at the end of this section. LUBE AND COOLANT PRODUCT GUIDE See the publication at the end of this section. Manitowoc Published 03-13-13, Control # 015-06...
  • Page 147 Adjustment ............6-19 Manitowoc...
  • Page 149: General Maintenance

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE SECTION 6 MAINTENANCE GENERAL MAINTENANCE Luffing A1049 This section contains maintenance and adjustment Electric Jib Butt Cord instructions for the limit devices used with the luffing jib 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 150: Adjusting Angle Indicators

    To a dju st t he an gle ind ica to r a t t he b o om b ut t se e View A): instructions in the 2250 Service Manual or the MAX-ER Mount potentiometer at angle shown.
  • Page 151: Automatic Boom Stop Adjustment

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE A1049 5° A1294 178° Pendulum-Type Potentiometer M.E.C. #575886 Vendor #CP17-0694-1 0 - Black 3-Pole Receptacle with Protective Cap Luffing Jib Angle Sending Unit 87BA - Green VIEW A 87FA - White 3.2°...
  • Page 152 MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A487 A1126 Boom Angle View at Right Side Boom Hinge Pin Minimum (MIN) angle. The optional minimum boom stop can be #44 Heavy Lift Boom 0° adjusted to any angle between 4° above or below horizontal.
  • Page 153: Operation

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE Operation See for Figure 6-5 following description. When the boom is below the maximum angle, limit switch WARNING (View A) is closed. The boom hoist can be operated. Falling Attachment Hazard!
  • Page 154: Bypass Limit Test

    MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Bypass Limit Test Perform the following test to determine if the boom up limit WARNING on your crane can be bypassed or not. Falling Attachment Hazard! Do not operate crane unless automatic boom stop is properly adjusted and operational.
  • Page 155: Minimum (Min) Boom Stop

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE b. Slowly raise the boom. Boom must stop at specified Maximum Angle. If Angle Digital Level Angle the boom does not stop at the specified angle: 83° 75.1° Stop raising the boom (move control handle to 85°...
  • Page 156: Jib Stop Adjustment - Past Production

    MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL JIB STOP ADJUSTMENT - PAST NOTE: For operation with luffing jib, the boom stop must be set at the angle specified in Figure 6-5. PRODUCTION Maintenance General At least once weekly, check that the limit switches stop the Past production #133 or 133a luffing jib attachments are luffing jib at the specified angles;...
  • Page 157 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE A530 Item Description Power Cord to MAX Angle Limit Switch Shorting Plug for MAX Angle Limit Power Cord to MIN Angle Limit Switch Shorting Plug for MIN Angle Limit MAX Limit Switch...
  • Page 158 MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A530 MAX Limit Switch Actuator CAUTION Check this distance after adjusting either limit switch. Distance from both ends of actuator (MIN or MAX) to outside edge of Alignment actuator bracket must be equal. Limit switch could be damaged Pin in Hole A from over-travel if either end of actuator is cocked.
  • Page 159: Adjustment

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE Adjustment Raise boom to 80° above horizontal. b. Slowly raise jib (luff up) to maximum boom to jib The automatic luffing jib stops must be installed, adjusted, angle (168°). and sealed at initial assembly of the attachment.
  • Page 160: Jib Stop Adjustment - Current Production

    MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL Final Adjustment Unplug electric cord (A ) from limit switch (1, View B) and connect cord to receptacle (A ) at boom top junction Once adjustments are complete, drill and seal the limit switch box (8, View A).
  • Page 161 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE A1106 Boom View A Butt LIMIT SWITCH WIRING Cord Terminal Wire System Operation P1-1 WHT S1-22 87FA 10 Volts DC, System Bus P1-2 BLK S1-21 89W1 MAX UP 1 J2-1 BRN...
  • Page 162 MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A1106 Roller Just Touching Actuator View A Hole A In Hole B View B FIGURE 6-11 6-14 Published 03-13-13, Control # 015-06...
  • Page 163: Operational Checks

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE Max Up 2 Limit Adjustment Final Adjustment Steps See Figure 6-11, View A for following procedure. Securely fasten actuator (4) to jib butt with screws and lock washers provided. Loosen screws in limit switch (2).
  • Page 164 MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A1050 Lower Boom Point Limit Switch Assembly Junction Box Upper Boom Point Chain Chain Weight Weight Lift Block Lift Plates #44 Heavy Lift Boom Top Shown; Electric Cord #133 or 133A Luffing Jib Top Similar...
  • Page 165: Block-Up Limit Control Adjustment

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE BLOCK-UP LIMIT CONTROL ADJUSTMENT load drum UP and boom/luffing jib DOWN electric circuits. Therefore, the load can be hoisted and the boom/luffing jib General can be lowered. Block-Up Limit Control Activated...
  • Page 166: Removing Jib Point

    MAINTENANCE 2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL A1050 Two Chains Prevent Weight from Turning Dead-End Load Line or Slowest Live Line Chain Chain Connecting Shackle Shackle Weight Weight Connecting Lower Boom Point (multiple part), Fixed Jib (1-3 part) or...
  • Page 167: Adjustment

    2250 #133 OR 133A LUFFING JIB OPERATOR’S MANUAL MAINTENANCE Adjust spring tension so there is enough force to lift the weight of the chain and rotate the actuating lever when CAUTION the weight is lifted. Use extreme care when testing block-up limit control when Loosen the setscrew in the limit switch lever so the lever boom is raised.
  • Page 169 Manitowoc Dealer ........
  • Page 170 2250 #133 OR #133A LUFFING JIB OPERATOR’S MANUAL 2550 Operator’s Manual/Capacity Chart Storage ..........2-7 Pad Eye Usage for Wire Rope Reeving .

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