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	Longwall Move - (Tear Down) Spider No.1
	Contact:  Palmer.Melvin@dol.gov

Home   1. 1: Start-of-Shift Activities   Change clothes   Get W-65   Obtain PPE   Obtain gas detector   Check in/Tag in   Put on safety glasses   Enter the mine by elevator   2. 2: Enter Mine   Conduct travelway examination ...    Meet with foreman   Obtain and examine tools    3. 3: Face Preparation   Start with 9 passes from end o...    Get all shields straight faced...    Adjust overall face height   Place gopher drills on last pa...    Return shearer to headgate cle...    Load bolting supplies onto she...    Obtain 1 1/2" air hose    Travel to tailgate   Place roof bolt supplies on pa...    Clean bottom on each return pa...    Set shearer for tear down at h...    Spot face chain for removal   Move shields so that the tips ...    4. 4: Supporting the Roof for Sh...    Conduct exam   Obtain and examine tools and m...    Hookup air line to main source...    Hookup gopher drill   Installing roof support   5. 5: Remove Tailgate Drive   Conduct Exam   Obtain and examine tools   Lock out/Tag out tail drive mo...    Unplug at 8 bay box   Cut cable at junction box   Remove dog bone face side   Remove dog bone shield side   Cut face chain at tailgate   Remove tail drive   6. 6: Installing Pan Line Pinner...    Conduct Exam   Place pan line bolter on scoop   Tram the scoop to pan line at ...    Lower pinner to bottom   Back out from under bolter unt...    Move scoop forward   Place duck bill on top of trap...    Move scoop forward until duck ...    Lift the bolter up until the t...    Push bolter on pan line with s...    Take scoop binding cable off   Remove scoop   Lock out/Tag out #6 cable from...    7. 7: Installing Pan Line Pinner...    Conduct Exam   Place pan line bolter on scoop   Lock out/Tag Out #6 cable from...

Longwall Move - (Tear Down) Spider No.1 1. 1: Start-of-Shift Activities Change clothes Get W-65 Conduct visual examination Seal and dents Obtain PPE Safety glasses Hearing protection Steel toe shoes Respirator Hard hat Cap lamp Gloves Obtain gas detector Check charge Conduct visual examination Check calibration Check in/Tag in Put on safety glasses Company policy Enter the mine by elevator Get on mantrip Ensure mantrip has been pre-op'd (follow JSA) Travel to main track Check signal lights Follow mine plan 2. 2: Enter Mine Conduct travelway examination - Self Preformed Safety Assessment Observe for mobile equipment Maintain 300' clearance between trips Check roof conditions Check for cracks, loose rock, taking on weight, water Check for loose ribs Check for overhang Check for ledges Check for sloughing Look for uneven bottom Rough spots and bumps in the road Soft spots/low spots Look for track damage Bent or broken rails Switch damage Loose fish plates Observe the high voltage cable Look for damage Look for downed high voltage cable Look for guarding and shielding Look for clearance Minimum of 12" Look for roadway debris Look for crib blocks, rock, banding material, cable, bolts and knocked out timbers Check for damaged bolts Correct and/or report any unsafe conditions Exit mantrip Maintain a 3-point contact Observe walkway Look for slip hazards Look for trip hazards Look for fall hazards Meet with foreman Discuss longwall move activities Supplies Condition of longwall Condition of scoops Condition of mule Maintenance needed on scoops and mule Attend safety talk Required company policy Discuss close calls Discuss information passed on from previous shift Discuss any stop work authority Discuss roof control plan/condition Required company policy Discuss longwall move plan and activities for the day Multiple tasks may be conducted at the same time Find out what your task assignment is Find out what other task are being performed and their status Obtain and examine tools Conduct Self Preformed Safety Assessment hammer channel locks lady slipper bar solenoid wrench flat tip screw driver chisel 6 or 8 inch adjustable wrench Other hand tools as needed 3. 3: Face Preparation Start with 9 passes from end of panel Get all shields straight faced Adjust overall face height Follow longwall move plan Lower overall height 2 - 3" per pass Increase height for mule clearance on last 4 passes Place gopher drills on last pass Load gopher drills on shearer Steel bits Hoses Steels Wrench Oiler Safety jacks Unload gopher drills Place two at mid face on pontoon at the toe of shield Place one at tailgate at toe of shield Return shearer to headgate cleaning bottom as you go Look for loose roof and rib Scale with shearer where necessary Load bolting supplies onto shearer Obtain 1 1/2" air hose Hang reel of hose from shields This is done at the same time bolts are being distributed Attach end of hose to shearer Travel to tailgate Place hose behind base jacks as advanced Pull end of hose to end of tailgate Place roof bolt supplies on pass back to the head This may take several passes to get roof bolt materials distributed Place two roof bolts at toe of each shield Place two plates at toe of each shield Place two T-board at toe of each shield Place one box of resin at every 10 shield intervals Spot a couple sets of extra bolts supplies at 10 shield intervals Clean bottom on each return pass and check for loose roof and rib Normally takes 3 passes to supply the bolts Set shearer for tear down at headgate Spot face chain for removal Stop chain so connection link is on headgate sprocket Move shields so that the tips are within 5' of rib Mark a 12' joint of PVC pipe at 5' from one end. Use this 5' mark from the rib/face to the tip of the shield as a guide. 4. 4: Supporting the Roof for Shield Removal Conduct exam Obtain and examine tools and materials to attach air line Flat tip screw driver 6 penny nails Bander Bands 6 - 1-1/2" menders Hacksaw or knife and extra blades Extra drill oil Hammer Staple locks ( 1/2" and 3/8") Gas detector Hookup air line to main source to the existing tee and cut-off valve Put bands on hose Slide hose on connector May be necessary to lubricate Band in place Tag air line out Hookup gopher drill Cut 1 1/2" air line Install cut-off valve on each end of hose Call headgate/tailgate to have air turned on Flush air line Hook up to oiler Band in place Fill oiler with air tool oil Hook shield water to drill With 50' hose, tap on each shield, move as needed Grease drill head as needed Installing roof support Conduct exam Set temporary jacks Set jacks on unsupported side of shield Keep your body under supported roof Conduct gas test Gas test must be made every 20 minutes Set gopher drill between temporary support Test the roof, sight, sound and vibration prior to drilling Keep your body under supported roof Set drill on the face side of pan line on skid plate This gives the drill solid footing to push from Place bits on steel 1 1/2" starter bit 1 3/8" finishing bit Place steel in gopher drill head Drill bolt hole and install roof bolt, resin and T-board Turn air on at cut-off valve Position drill Extend drill foot (trigger on left hand side) Start head rotation slowly Turn water on once bit is in hole with right lever Drill 2' Lower drill Turn water off Remove starter steel Install 4' driver with finishing bit Raise drill head putting steel in hole Turn water on Drill hole Lower the drill Turn water off Remove 4' driver steel Put 4' pusher attached with 2' driver Raise drill and put steel in hole Turn water on Proceed to drill 6' Lower drill Turn water off Remove steel Assemble 6' pin with plate and T-board and resin rod Take resin and place in hole Take plate, board and pin and put in hole Put bolt wrench in drill Take pin and put in wrench Raise drill and push pin to top with board parallel with shield and face Spin the bolt until tightened Lower drill Reposition jacks Repeat cycle 5. 5: Remove Tailgate Drive Conduct Exam Obtain and examine tools Lady slipper bar Hammer 3/8" punch Chisel Shovel Torches Striker Water hose Fire Extinguisher Rock dust Methane detector Goggles Welding gloves Lock out/Tag out tail drive motor Follow lock out/tag out procedures Unplug at 8 bay box Cut cable at junction box Use bow saw/hack saw Remove dog bone face side Clean dog bone socket Take out keepers Remove dog bone Place dog bone in pan line Remove dog bone shield side Same procedures as above Cut face chain at tailgate Make continuous gas test Cut chain on the headgate side where the dog bones are being removed Make sure you have 240 pound of rock dust and/or 10 pound fire extinguisher Wet area down Rock dust 10' in all directions Untitled Male sure you have 240 pound of rock dust and/or 10 pound fire extinguisher Cut chain on connection link Shut torches down Remove tail drive Obtain 6' chain Grade 8 or higher Hook to gob plate pin Lower shield and hook chain to shield Raise shield and pull pin out Pull drive back to shield Use rams on shield Push drive back in face Unhook relay bars Remove keeper Slide out relay pin Pull relay bar back using the ram on shield Slide relay pin back in Replace keeper Obtain duck bill scoop Move unnecessary people out of the area Remove drive with scoop Bind the drive to scoop using the winch cable Store drive in designated area See longwall move plan 6. 6: Installing Pan Line Pinner with Duck Bill Conduct Exam Place pan line bolter on scoop Drill head must point away from the scoop operator Place bolter trapping shoe 12" to left of center hole on duck bill Bind the bolter with winch cable Tram the scoop to pan line at the tail gate Lower pinner to bottom Back out from under bolter until trapping shoe drops off of duck bill Move scoop forward Place duck bill on top of trapping shoe Move scoop forward until duck bill comes in contact with trapping shoe pin Lift the bolter up until the trapping shoe is even with the accu-trac Push bolter on pan line with scoop Take scoop binding cable off Remove scoop Lock out/Tag out #6 cable from the distribution box at the headgate Follow Lock Out/Tag Out Procedures Splice the pinner cable Must be done by qualified electrician Turn the power on to #6 cable Check rotation 7. 7: Installing Pan Line Pinner with Bucket Scoop Conduct Exam Place pan line bolter on scoop Place bolter on the left side of scoop bucket drill head pointing away from the scoop operator Hand rail of he pan line would be in the way Pan line can be slewed with the ram Bind the bolter to the scoop bucket with the winch cable With the scoop bucket there is virtually no chance of the pinner falling off or sliding Tram to the pan line Drop the bucket Loosen the winch cable Back out from under the bolter until the trapping shoe drops below bucket Tighten cable back up until bucket comes on top of trapping shoe Raise bolter up to align with pan line May have to slew pan line Push the bolter on the pan line with the scoop ram Remove scoop binding cable Remove scoop Lock out/Tag Out #6 cable from the distribution box at the headgate Follow Lock Out/Tag Out Procedures Splice the pinner cable Must be done by qualified electrician Turn the power on to #6 cable Check rotation

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U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939
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