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15:  Preparing Shields for Removal Conduct Exam Obtain and examine tools Pull rope Channel locks - 320 and 640 Hammer Lady slipper bar Chisel Punch Rock bar Penetrating oil Staple puller Anti seize 15/16" socket ratchet-3/8" drive Side cutters Manually relieve pressure on each shield by pushing solenoid button Listen for pressure release Uncouple manifold lines 1 1/4" pressure lines and a 2" return on the tailgate side of each shield Take the hoses that have been uncoupled from the tailgate side and loop back and re-couple in the shield they are attached to See diagram This must be uniformly done on each shield Remove the 3/4" plug from the manifold and tape it to the looped hoses Caution:  If manifold is not opened and is pressurized, serious injury could occur Remove water hose from tailgate side Take loose end of water hose and put in between legs of shield Disconnect the shield to shield cable on the tailgate side of PM 4 Pull staples Replace staples after cable is separated Roll cable up, tape into roll and place between legs of shield Take the chain through the relay bar and fasten to the pin at the base lift jack Use 15/16" socket wrench Take the bridle off the base lift jack Take the hose off the tailgate side of the base lift jack Remove the hydraulic hose off the base lift jack on the headgate side at the source (headgate leg) Take this hose and connect it to the port that is open on the base lift jack Take the hose that was previously in the base lift jack, tailgate side, and put in open port of leg jack See diagram Lay base lift jack down on the relay bar Turn KN valves off on each shields Failure to turn the KN valve off could allow the shield tip to float down Continue on each shield to the headgate 16:  Remove Electrical Components Conduct Exam Obtain and examine tools Side cutters Remove phone Pull magnetic mounted phone from canopy Cut phone cable Lay on toe of shield to be recovered Remove lights Slide lights out of rubber mounting brackets Unplug cable at light, splitter, and neighbor shield Roll up cable and place on toe along with light fixtures Disconnect and remove all cables from power supply box Use 620 channel locks Turn brass nut counter clockwise until it can be removed by hand Place PVC protector on all plugs and receptacles It protects the threads Roll up, tape, and put on toe of shield Remove light power supply box Pull pin from bracket Tilt box toward gob Lift box out of holder Replace the pin Continue this process for each shield to the headgate 17:  Clear the face Conduct Exam Contact scoop operator Load part box in the bucket of scoop Caution:  Communication between the scoop operator and employees loading the materials into the boxes is essential Have the scoop with the box travel from tailgate to headgate Load all loose parts in the box SCSR Phone Light cables Splitter Lights Fire extinguisher Power supply boxes Load boxes onto the flat car for transporting Secure with chains and binders Scoop the face 18:  Final Set-up for Shield Removal Conduct SPSA Exam Obtain and examine tools Hammer Screw driver Channel locks Chisel Lady slipper bar 1/2" High pressure hose (1200 feet) Ten 1/2" cut-off valves 24 to 26 couplers and 50 1/2" staples Two 1/2" tee One 1/2 - 3/4" male to male staple fitting 3/4" staple lock coupler 620 Scoop Starting at the dump valve on the stage loader run 1/2" hose to tailgate with cut off valve every 100' Install the first tee on the corner at the headgate Run second line from the tee to the track with cut off valve on the end Set the walkers in place at tailgate Notify all personnel in the area of the danger of setting walking shield.  Shield could slide off duckbill.  Use start up signals before starting scoop and moving Hook 1/2" hose to the face side walker Uncouple the ring line hoses from storage on the walker shield Connect the hoses from  walker shield to other walker shield Plug open ports on walker manifolds  Remove the 1/2" plug from the manifold of the gob side walker and install 1/2" cut off valve Install 10" 1/2" hose to cut off valve Install 1/2" tee with two cut off valves with one being on the hose See diagram Install 1/2" to 3/4" fitting Install 3/4" coupler Disconnect the 3/4" hose from the pressure valve on the line shield and connect to the 3/4" coupler from the walker 19: Shield Removal Conduct Exam Build cribs per Roof Control Plan See diagram Tram mule from track to 65 shield with cable on machine Establish cable anchor at approximately 65 shield Tram mule to the tailgate Someone must be assigned to watch the cable to be sure you have enough to reach the tailgate Tram the mule back to the track Someone must be assigned to watch the cable to be sure you have enough to reach the track Someone must be assigned to watch the cable to be sure you have enough to reach the track. Before the mule returns to the tailgate the cable must be manually move to the toe of the shield Tram the mule back to the tailgate and hook to the face side walker Use bridle bar and d-ring chain Use bridle bar and d-ring chain Put pressure on the line shield Hook GPU to shield to shield cable for shield electrical power Lower the shield 18" from the roof Advance the mule and face side walker within 6" of the last shield set in top Be aware of pinch points and close clearances Only one person needs to direct the mule operator Avoid lights in operator's eyes Notify all personnel in the area of the danger of close clearances and moving equipment.  Use start up signals before starting mule and moving.  Communication should be maintained with everyone involved. Pull mule up to the gob side walker and hook to relay bar Advance the mule and gob side walker within 6" of the last shield set in top Be aware of pinch points and close clearances Only one person needs to direct the mule operator Avoid lights in mule operator's eyes Unhook mule from walker Swing boom to the line shield Hook D-ring to the toes of the line shield Lower shield to transport level Pre-measure transport height marker This could be a stick or PVC pipe Bleed pressure line between gob walker and line shield at 1/2" cutoff Unhook pressure line from line shield Unhook GPU from line shield Communicate with people in face area and mule operator Lift toe of shield to raise toe from bottom with mule boom Swing mule boom until the tip of the shield is within 6" of the face Caution:  The mule may swing toward the shield line Retract the mule boom and pull shield toward headgate Make sure the line shield canopy stays on top of the mule boom to prevent breaking chain Tram mule to headgate pulling shields to load out area Build crib to replace shield that has been extracted Follow the Roof Control Plan Caution:  Use a roof spotter, have a planned escape route Load mule with roof control material for the next shield Repeat process for entire shield line 20:  Loading Shields for Transport Conduct Exam Obtain and examine tools Lady slipper bar 12" Chain Solenoid wrench 5/16" Bolt, Nut, Washer Stop mule so the shield in tow is in the center of the intersection Pick toe of the shield up with boom of mule Tram duck bill scoop under shield Shut all equipment off Put chain in relay bar in the back of shield Caution:  Rock may slide off the back side of shield.  Clean any visually loose rock off the shield prior to installing the chain Notify duck bill operator and mule operator when you are in the clear Ground man is the only person to give signals to equipment operators Equipment may not start until ground person has made contact with both equipment operators Prior to starting either the duck bill or the mule an audible warning must be given Start mule Lower the boom Unhook bridle chains Back mule up 5' Swing boom left clearing shield Raise boom to level of the canopy Swing boom to right to make contact with the shield tip Utilize the boom to line shield on duck bill Ensure the ground person instructs the operator that everyone is in the clear Return mule to tailgate to get next shield Screw driver Observe area Stop all activity in loading area if any miners are in the travel area Lift shield with duck bill 12" to 14" just enough to clear the shield car to load Approach the shield car slowly Get the gob side of the shield over the car until the duck bill touches the shield car Lower the duck bill, allowing the end of the shield to rest on car Back the duck bill away from the car until the duck bill is within 10" of edge of toe Raise the duck bill until it takes the weight of the shield Swing the duck bill hard to left without tramming This should put the shield on the car so the duck bill can be trammed out from under shield Lower the duck bill Straighten the duck bill scoop up Back the scoop up until you clear the toe of the shield (completely from under the shield) Raise the duck bill level with base of shield Tram forward slowly to align shield on car Shield may tip or lift slightly on duck bill side as it is being aligned Check height of shield for transportation Follow Longwall Move Plan Build a crib under any canopy that shows signs of drift down Clean the top of shield Bind the shield to the car utilizing binding chains and binders See diagram Spot the next shield car Set up for next shield Repeat the process until shields are removed