MSHA - Interactive Training - JTA Spiders - Table of Contents

	Home \| Table of Contents \| Overview Map \| Icon Legend
	Dragline Operations Manitowoc 3000
	Contact: Palmer.Melvin@dol.gov

work area examination

perform self assessment

check mental condition

check physical condition

use personal protection equipment

Approach Inspection

check wire ropes

Check Pendant Lines and boom

Check Ground Conditions

Check for loose, missing or broken parts

check weather conditions

check for fresh fluid leaks (coolant, oil, etc)

check for signs of unknown activity

Daily Inspection

check for cracks

open drains for oil sumps to drain water

check house rollers

close air tank from the prior shift

check if wire rope is spooling straight on drums

check condition of wire rope

check condition of crane mats if used

check the condition of the sheet metal

check for obstructions in the tail swing area

Pre Engine Start

Check fire extinguisher

Check fluid levels

Check belts for tension

Check chain guard

Check fan shroud

Check air compressor belt guard

Check drum guards

Check for lock out / tag out as applies

Check control levers are in neutral position

Check master clutch is disengaged

Adjust throttle

turn key and start engine

check for leaks

permit/allow air pressure to build up to full operating pressure

check oil pressure

check for operators manual and load charts

bring engine temperature up to a safe operating temperature

engage master clutch

check boom, hoist, and drag brakes and clutches

lower boom to the ground

set brakes and place levers in neutral position

disengage master clutch

set to desired boom angle

dry the hoist and drag brakes

swing machine side to side to dry the swing clutches

Pre Shift Meeting

listen to supervisor instructions

plan daily operations

discuss any change in conditions

participate in daily safety meeting

2. Set Up to Dig

examine the site

disengage travel dogs

engage master clutch

place boom at a proper angle for travel

engage travel clutches

travel onto the mats

engage directional travel lock to prevent over travel toward excavation site

ensure dragline is level

3. Abnormal Conditions

wind

medical emergencies

malfunction of machine

fire

catastrophic machine failure

4. Shut Down Procedures

remove bucket out of water

disengage travel locks

check boom angle

adjust boom angle for travel

swing to the direction of travel

move dragline into stable position

swing dragline to position for safe cab access

position bucket on ground or crib blocks

engage all brakes

disengage master clutch

allow engine to cool down at idle speed

shut off engine

engage travel locks

lubricate to manufacturer's specifications

re-examine site

re-examine conditions

determine the depth of the cut

start working the cut

monitor ground conditions continuously while digging

monitor the dragline

build and monitor stockpile

prepare for shutdown

Title

Dragline Operations Manitowoc 3000

Subject

-

Company

-

Author

-

Version

34

Comments

-