MSHA - Interactive Training - JTA Spiders - Table of Contents

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	Longwall Move (Setup) Spider No.2
	Contact: Palmer.Melvin@dol.gov

1. Duty 8: Install Pressure Line

Obtain and examine tools and materials

Rags

2" super staples

Obtain lo-trac with super stecko hoses

Loop over forks

Start at the water board

Remove two hoses from the lo-trac

Tram in 50' and take two more hoses off

Continue until all super stecko hoses are spotted

Connect super stecko hoses

Place into trolley carrier in inside trays

Clean coupler and lubricate

Push male end of hose into female coupler starting at water board and working inby

Install super staples

CAUTION: This line will carry up to 5000 psi

Continue this process until you reach the last trolley

Remove all debris and materials

2. Duty 9: Install 2" JIC Hoses

Obtain and examine tools and materials

Rags

2 -18" Pipe wrenches

Obtain 2" JIC hoses and place at headgate in the belt entry

Place the lo-trac outby the hoses

Unroll two hoses and hook the male end to lo-trac with a nylon sling rope/pull

Pull the lo-trac forward 50'

Clean connectors as needed and lubricate

Connect the next two sections of JIC hoses with pipe wrenches

These fittings must be tight to prevent leaks

Pull the lo-trac forward 50'

Repeat this process until you reach the water board

Connect hose to water board

Place into trolley tray, one JIC hose over each super stecko hose

See diagram for placement of hoses

Repeat this process for the fresh water line. The fresh water line is also 2" JIC. Hook female end of hose to lo-trac

Place fresh water line in the trolley tray opposite the belt

Identify the hose that will be used for fresh water/fire outlets by marking couplings

Install fire outlets every 300 feet from the water board on the fresh water line

Remove all debris and materials

3. Duty 10: Install High Voltage Cables

Obtain and examine tools and materials

Rags

Remove cable car from track utilizing the duck bill scoop

Be sure the duck bill has had a pre-op exam

See JSA on scoop

Tram duck bill scoop with car to the headgate area

Lower car to the bottom

Place lo-trac outby cable car in belt entry

Pull enough cable off the car by hand to hook to the lo-trac with tie down strap or pull rope

Cable will have cat head with cover

Position someone to stay at the car

Pull high voltage cable with the lo-trac to the AB distribution box

Ensure high voltage cables are shielded for the entire length

Place cable in the belt side of the trolley tray

Lifting the cable requires multiple people

Leave enough cable slack to enter into AB distribution box

Use good lifting techniques

Connect cable plug to AB distribution box

Remove both covers

Clean the plug with Electra-clean

Wipe down with clean rag

Line the ground and the ground monitor prongs on the cat head with the receptacle on AB distribution box

Screw the plug onto the AB distribution box

Install restraining clamps

Install lead seal wire

Repeat this process for the next high voltage cable

Store excess slack of cables on the belt line until 8-bay box is in place

Remove all debris and materials

4. Duty 11: Install No. 6 Cable

Obtain and examine tools and materials

Rags

Pull strap/rope

Utilizing the lo-trac, pick up spool of cable from the track entry

Take spool of cable into the headgate area

Install come-a-long from monorail hanger

Move the lo-trac into the belt entry

Utilizing the come-a-long, pick the spool of cable off the bottom

Unreel enough slack by hand to hook No. 6 cable to lo-trac with sling/rope

Pull cable toward AB distribution box leaving enough slack to reach the power center, approximately 100'

Use "ENERGY CONTROL PLAN"

Install 575 cat head at the power center

Ensure cable is in conduit entering cat head

Label the cat head

Install frame ground straps

Follow the same procedure to pull the second spool of cable to meet the first

Splice cable as needed

Place cable in tray along with high voltage cable

Excess slack store on the belt line

Use same procedure to pull the data cable

Install the data cable under the tray with double insulated tie straps

This cable must not touch the monorail frame

This cable must extend to the Minnie master

Lay the excess on the belt

Remove all debris and materials

5. Duty 12: Install Push Pull on Monorail (Crab)

Conduct SPSA exam

Obtain and examine tools and materials

Rags

Obtain the crab from the track entry with the lo-trac on the pallet

If not on pallet, put on a pallet and set it up with the stinger facing outby

Add one section of monorail

See Monorail Set Up (Duty No. 5)

Position the crab at the inby end of the monorail

Raise the crab with the lo-trac

Align the arms of the crab to fit the monorail

Tram forward with the lo-trac until the arms of the crab are engaged in the monorail

Install push bar on outby end of crab to last trolley using push pins

Add a section of monorail inby the crab

See Monorail Set Up (Duty No. 5)

Slide two trolleys onto the just installed monorail

Push the outby trolley toward the crab close enough to install a push bar

Obtain monorail booster pump with lo-trac

Align the booster pump with the monorail with the intake port pointing outby

Move the pump outby until the rear support can be raised and pinned into the trolley with the inby crab push bar

Align the hole in the center of the trolley with the hole in the pump carrier

Install the pin

Raise the front of pump

Align the trolley previously installed

Install the pin

Remove all debris and materials

6. Duty 13: Install Booster Pump, Welder, Air Compressor, and 8 Bay

Obtain and examine tools and materials

Rags

All chains used on the longwall will be Grade 8 strength

Install booster pump

Obtain monorail booster pump with lo-trac

Align the booster pump with the monorail with the intake port pointing outby

Move the pump outby until the rear support can be raised and pinned into the trolley with the inby crab push bar

Align the hole in the center of the trolley with the hole in the pump carrier

Install the pin

Raise the front of pump

Align the trolley previously installed

Install the pin

Add one section on monorail

Obtain welder with lo-trac from track entry

Align welder hanging eye under monorail

Move trolley to align with hanging eye

Install pin through hanging eye and trolley

Lower mast of lo-trac

Install one trolley and stiff arm

Install compressor

Add one section on monorail

Obtain compressor with lo-trac from track entry

Align compressor hanging eye under monorail

Move trolley to align with hanging eye

Raise compressor

Install pin through hanging eye and trolley

Lower mast of lo-trac

Install one trolley and stiff arm

Add monorail through crosscut

Install three special trolleys

Obtain 8 Bay with duck bill scoop

Load onto duck bill diagonally with controls facing operator

Must have ground man with duck bill operator

Secure the 8 Bay with duck bill winch rope

Tram to the headgate area

Will have to adjust 8 Bay on the duck bill to align with trolley

Shift the blade under the 8 Bay by turning the scoop to the right to center the load

Align the 8 Bay with the monorail trolleys

CAUTION: Only one person should direct the operator. Scoop operator must be aware at all time. Scoop operator must set brake and shut scoop down prior to installing the pin

Align 8 Bay with monorail and trolleys

Insert a pin in each hanging eye and trolley

Push the 8 Bay with the duck bill scoop to within 5' of the welder

Install the 5' push bar between the 8 Bay and the compressor

Finish the monorail

Install seven wider trolleys

Attach first trolley to the 8 Bay using a 60" push bar

Attach a 12-foot 3/8" chain between first and second trolley inby the 8 Bay

Connect the five remaining trolleys with 60" push bars between them

Lay hoses that has been stored on the belt line in the trolley trays

Strap the cables and hoses in place in their trays on each side of the trolley

Each trolley takes eight straps

Install straps on cables and hoses between the trolleys, one in the center of the span and one on each end about a foot from the trolley

This takes six straps

Remove all debris and materials

Title

Longwall Move (Setup) Spider No.2

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Version

35

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