SSgt Pelham

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SSgt Pelham
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MAC 50

• -Learning Objectives
• -Lecture Method
• Computer Generated Slides
• -25 Q Exam
• -Cease Fire!

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TEREX All-Terrain CraneMAC 50
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MAC 50 Nomenclature
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MAC 50

• 50 Ton all terrain crane
• Loaded extra axles
• Operates at a relatively high speed.

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MAC 50 Engine

• Diesel, in-line 6 cylinder, turbo charged,
  Cummins engine
• 333 HP _at_ 2000 RPMs
• 305 HP _at_ 2200 RPMs
• Capable of starting at -25 degrees F

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MAC 50 Transmission

• Full power shift transmission or manual
• All wheel drive capability
• Limited slip differentials

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MAC 50 Transmission

• 6 speeds forward
• 1 speed reverse

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MAC 50 Transmission

• Check fluid
• Hot check Transmission in neutral
• Cold check

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MAC 50 Transmission

• Top road speed of 48 MPH

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MAC 50 Axles Suspension

• Axles can oscillate plus or minus 5 in.
• 45 grade straight down/up
• 20 grade side slope
• 8 wheel drive

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MAC 50 Fording

• Fords up to 60 in.

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MAC 50 Fuel System

• Fuel tank capacity is 148 gal.
• 300 mile range
• 10 hours of crane operations

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MAC 50 Electrical System

• 24 volt negative ground
• NATO slave receptacle
• 24 volt solargizer to help boost batteries
• Master switch behind lower cab

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MAC 50 Brakes

• Service brakes are all-wheel and hold at 45
  grade (air)
• The parking brake are on axles 2, 3, 4 and hold
  at 20 grade (spring)

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MAC 50 Major Components

• Chassis refers to the frame, axles, lower cab,
  and engine

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MAC 50 Major Components

• Superstructure refers to the upper cab,
  turntable, and winch assembly

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MAC 50 Major Components

• The boom is the lifting arm and has three
  sections

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MAC 50 Boom

• Maximum extended length is 82 3
• Minimum retracted length is 27 8

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MAC 50 Boom

• 3 Section Boom
• Will deploy sections in a specific sequence
• 1-fully, then 2 3 at the same time (maintenance)

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MAC 50 Boom

• Boom angle indicator
• Six sheaves in boom head
• Length markings on painted on boom

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MAC 50 Winch Assembly

• Equipped with 580 ft. of 5/8 in. wire rope
• Two speeds
• 9,700 lbs. line pull

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MAC 50 Winch Assembly

• High speed capable
• Light loads or clamshell ops
• 30 of allowable weight!

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MAC 50 Steering Modes

• 3 different types of steering
• 1-Front wheel, only front four tires turn
• 2-Crab mode
• 3-Round mode

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Mac 50 Heating and Air Cond.

• Both lower and upper cab have heating and air
  conditioning
• The upper cabs heater is powered by a small
  diesel engine
• NO FUELNO HEAT

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MAC 50

• Any Questions?

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Mac 50 Lower Cab

• Driven and repositioned by utilizing lower cab
• Driver and A-driver both ride in lower cab

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Mac 50 Lower Cab Controls and Functions

• Accelerator
• Service brake
• Parking brake
• Transmission control panel
• Heating and air conditioning
• Turn signals, hi/low beams, hazards
• Two adjustable seats

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Mac 50 Lower Cab Instrument Panel

• 1. NATO light console
• 2. Air tank pressure 1 2
• 3. Speedometer

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Mac 50 Lower Cab Instrument Panel

• 4. Rear wheel position
• 5. Engine oil pressure
• 6. Engine coolant temp.
• 7. Tachometer
• (message display and quit)
• 8. Transmission fluid
• temp.
• 9. Fuel gauge

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Mac 50 Lower Cab Instrument Panel

• 1. Low Air Pressure
• 2. Parking Brake
• 3. High Beam Indicator
• 4. Air Filter Warning
• 5. Turn Signal Indicator
• 6. WARNING!
• 7. STOP!
• 8. Glow Plugs Warming
• 9. Battery Fault

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Mac 50 Lower Cab Instrument Panel

• 1-All-Wheel Drive Lock Indicator
• 2-Axle Differential Lock Indicator
• 3-Crane Operation Mode
• 4-Independent Rear Axle Steering-1
• 5-Independent Rear Axle Steering-2
• 6-Off-Road Mode
• 7-Transfer Case in Neutral
• 8-Independent Rear Axle Steering Mode

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Mac 50 Lower Cab Instrument Panel

• 1- Dolly Indicator (NOT USED)
• 2- Hydraulic Oil Filter Warning
• 3- Hydraulic Oil Temperature Warning
• 4- Steering Circuit-1 (off when parking
• brake is disengaged)
• 5- Steering Circuit-2 (off at 6 MPH)
• 6- Steering Circuit-3 (NOT USED)
• 7- Front Left Suspension
• 8- Rear Left Suspension
• 9- Front Right Suspension
• 10- Rear Right Suspension

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Mac 50 Lower Cab Panel Controls

• 1- Outrigger Lighting
• 2- Front Axle Suspension
• 3- Left Rear Suspension
• 4- Right Rear Suspension
• 5- All Axle Suspension
• 6- Air Conditioning

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Mac 50 Lower Cab Panel Controls

• 7- Independent Rear Axle
• Steering
• 8- All Wheel Drive Lock
• 9- Axle Differential Lock
• 10- Transfer Case
• 11- Engine Ignition
• 12- Engine RPMs
• 13- Four-way Hazards

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Mac 50 Transmission Control Panel

• 1- Digital Display
• 2- Mode
• 3- Directional Pushbuttons
• 4- Pushbutton Transmission
• 5- Rear Wheel Positioning
• 6- Quit (same as dash)

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MAC 50 Travel Mode

• Suspension must be centered and leveled first
• To do this
• Raise all suspension cylinders completely
• Lower suspension by using the all button
• Suspension indicator lights will not go off at
  one time, but continue to hold down on the button
  and the sensors will do the work
• Travel after all four lights go off

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MAC 50 Upper Cab Operations

• There is NO SWITCH to engage to begin lifting
  operations

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Mac 50 Upper Cab Panel Controls

• 1- Fan Speed
• 2- Air Temp Control
• 3- Emergency Stop
• 4- Heater
• 5- Air Conditioning
• 6- Air Source
• 7- Roof Window Wiper
• 8- Front Windshield Wiper
• 9- Windshield Washer

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Mac 50 Upper Cab Panel Controls

• 10- Engine Ignition
• 11- Engine Shutoff
• 12- Engine RPM
• 13- Dashboard Lighting
• 14- Outrigger Lighting
• 15- Exterior Lighting

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Mac 50 Upper Cab Instrument Panel

• 1- Fuel Gauge
• 2- Engine Coolant Temp
• 3- Engine Oil Press
• 4- Tachometer
• 5- Message Display Screen
• 6- Quit

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Mac 50 Upper Cab Instrument Panel

• 7- Crane Operation Mode
• 8- Slew Gear Brake
• 9- Boom 0 Extension
• 10- Battery Fault
• 11- Hydraulic Filter
• 12- WARNING!
• 13- STOP!
• 14- Glow Plug
• 15- Chassis Warning Light

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Mac 50 Upper Cab Instrument Panel

• 1- Safe Load Indicator (SLI)
• 2- Vertical Outrigger Control
• 3- Left Outrigger Control
• 4- All Outrigger Control
• 5- Right Outrigger Control
• 6- Horizontal Outrigger Control
• 7- Raise/Lower Axle Control
• 8- Slew Gear Brake
• 9- Slew Alarm Bypass

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Safe Set Up Procedures

• Capable of operating with outriggers in MID
  position or FULL position
• Each position has a separate load chart

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MAC 50 Outrigger
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Mac 50 Outrigger Set Up

• Outrigger pads must be installed once on site
• Tires can be punctured by outrigger pads!

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Mac 50 Outrigger Set Up

• MID or FULL
• YOU DECIDE

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Mac 50 Outrigger Set Up

• The SLI alarm will sound upon start up from upper
  cab.
• Go to Rigging/Travel
• NO SAFETY!

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Mac 50 Outrigger Set Up

• Outrigger Locking Pins

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Mac 50 Outrigger Set Up

• Mid Position
• -Outer is disengaged
• -Inner is engaged

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Mac 50 Outrigger Set Up

• Full Position
• -Outer is disengaged
• -Inner is disengaged

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Mac 50 Outrigger Set Up

• Outriggers MUST BE LOCKED before operations
  begin!

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Leveling the MAC 50

• Place dunnage centered under the outrigger pads
• Raise the crane ALL THE WAY UP

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Leveling the MAC 50

• LEVEL DOWN!
• Utilize the bubble level inside the upper cab
• Double check the levelness with a carpenters
  level

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Leveling the MAC 50

• Now raise the axles all the way up
• Lower down using All Outrigger button until 2
  off the deck

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Creates the LOWEST center of gravity

• Creates the LOWEST center of gravity possible

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Leveling the MAC 50

• If the MAC 50 comes out of level, then readjust
• Now continue with setting up

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MAC 50

• Any Questions?

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Safe Load Indicator (SLI)
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SLI

• Will come on when crane is started from upper cab

The MG 587 System is designed for use as an aid
to crane operation. Do not use this system as a
substitute for an experienced crane operator who
has been trained in crane operation and related
safety guidelines, or for crane capacity
information and guidelines supplied by the crane
manufacturer.
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SLI Description

• 1. Current Weight
• (and capacity)
• 2. Two-block Warning
• 3. 90 Capacity Warning
• 4. 100 Capacity Warning
• 5. Set Up Code (4 options)
• 6. Parts of Line

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SLI Description

• 7. Change setup/confirm
• 8. Display select toggle up
• 9. Display select toggle down
• 10. Display screen contrast
• 11. Display screen contrast
• 12. Alarm override

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SLI Set Up Code

• 1 Full Outriggers
• 2 Mid Outriggers
• 3 Clamshell
• 4 Rigging/Travel

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SLI Function

• Purpose of SLI
• -Translates data received from the computer
• -Indicates actual load weight
• -Shows percent of rated capacity

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SLI Function

• Purpose of SLI
• -Visual and audible alarms that warn operator
  when close to load limits
• -Alarms will sound and controls will disengage
  when two-blocked

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SLI

• PAY ATTENTION!!!!!

The MG 587 System is designed for use as an aid
to crane operation. The SLI is a tool to help
you operate. DO NOT rely SOLEY on this item when
performing crane lifting operations. REFER TO
THE LOAD CHART!
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SLI

• Relying on the SLI
• -Loads as small as 2,000 lbs. can tip this crane
  over

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SLI Function

• Using of SLI
• -REMEMBER When in rigging/travel mode, ALL
  safety features are turned off! (old menu
  screen, or battle switch on LMS)
• -This is when a little common sense will go a
  long way

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SLI Function

• Using the SLI
• -Unstowing/stowing of the boom requires that the
  SLI be in rigging/travel mode
• (No Safety Features!)
• -Once the boom is at 29 degrees, the SLI can be
  configured

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MAC 50

• Any Questions?

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MAC 50 Features

• CAUTION
• -There is a boom locking pin that must be removed
  before raising the boom

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MAC 50 Features

• CAUTION
• -The first (and only) function that is performed
  when unstowing is to RAISE the boom

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MAC 50 Features

• CAUTION
• -If any of the manufacturers 580 ft. of wire has
  been removed unit maintenance must recalibrate
  the SLI

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MAC 50 Features

• CAUTION
• -If the boom is not fully retracted, IT WILL HIT
  THE LOWER CAB

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MAC 50 Upper Cab

• Controls and Functions
• 1-Deadman button (must depress one)
• 2-Winch High Speed Mode
• 3-Clamshell Open / Close
• 4-Slew Gear Drive Regulator
• 5-Boom Hoist Regulator

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MAC 50 Upper Cab
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MAC 50 Upper Cab

• The right joystick is equipped with a vibrating
  clicker. This tells (by hear/feel) the operator
  how fast wire rope is being paid out or winched
  in.

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MAC 50 Limitations

• Limited to lifting 100,000 lbs. at a 10 ft.
  working radius on FULL outriggers (with 11 parts
  of line).
• Limited to lifting 85,700 lbs. at a 10 ft.
  working radius on MID outriggers (with 10 parts
  of line).

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MAC 50 Limitations

• Utilizes 2 attachments
• Hook Block
• Clamshell

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MAC 50 Limitations

• Can be reeved with a maximum of 11 parts of line
• Minimum of 2
• 11 parts will not reach the deck when extended

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MAC 50 Attachments

• Hook Block
• Uses are unlimited
• Weighs 800 lbs.
• Must be calculated in

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MAC 50 Attachments

• Hook Block uses
• Bridges
• Rotor blades for helos
• Loading/unloading ships and vehicles

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MAC 50 Attachments

• Hook Block uses
• Lifting any slung/rigged load
• Equipment with lifting eyelets

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MAC 50 Attachments

• Clamshell
• Vertically operated
• Digs loose to medium material
• Used at or above (20 ft.) ground level

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MAC 50 Attachments

• Clamshell
• -capacity of 8,000 lbs.
• -bucket 1,300
• -hook block 800
• -material 5,900

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MAC 50 Attachments

• Clamshell attaches to the hook block via shackles
• Hydraulic hose reel must be installed on the side
  of boom

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MAC 50 Attachments

• Clamshell is limited to operating at a maximum 50
  ft. working radius

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MAC 50 Attachments

• Clamshell uses
• Handling bulk material like gravel, garbage, and
  snow
• Loading of bulk material into vehicles

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MAC 50 Attachments

• Clamshell uses
• Filling bins, such as barriers and bastions
• HESCO!!!

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MAC 50 Clamshell
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MAC 50 Attachments

• Clamshell works by using the weight of the bucket
  and gravity
• Also the closing action of its jaws

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MAC 50 Attachments

• Clamshell is not frequently used
• Must be stored with jaws slightly open for
  hydraulic expansion

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MAC 50 Attachments

• Only operate with clamshell within the rear 270
  degrees. The front 90 degree is off limits due
  to lower cab

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MAC 50 Wire Rope Capacities
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MAC 50 Load Chart (Full)
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MAC 50 Load Chart (Mid)
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Questions

• Are there any questions?