MSHA - Interactive Training - JTA Spiders - Table of Contents

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	Longwall Move (Setup) Spider No.4
	Contact: Palmer.Melvin@dol.gov

1. Duty 18: Install Pan Line

Obtain and examine tools and materials

Rags

1" wire rope slings (25 and 35 feet)

Tram to the pan line storage area

Load two pans on the duck bill scoop

Position the pan line on the duck bill scoop so that the operator can see the sigma on the face side

Use sigma as a guide to align the pan line with the sigma on the previous pan

Tram back to pan line

Stop 2' away from pan

Lower pan to bottom

Turn duck bill scoop off

Push 35' cable through pan line and flap back over towards the headgate

Have ground man keep tension on the sling pulling slack back as pans are put into place

Push pan into final position

Shut duck bill scoop off

Install the two dumb bells and keeper and one accu-trac pin and keeper

Pull bottom chain every three sets of pans installed

Repeat this process for approximately 250' or 25 sets of pan line

Install top chain

Repeat this process every 250' until you reach the tailgate drive location

The last 12 pans will be specials and need to be put in order

See diagram (Special pans are numbered)

Install top chain

Obtain box of chain with scoop

Place 3' from last pan set

Connect the 25 foot 1" wire sling to the chain with 1" clevis

Install rock bar in the second hole of the chain box

Connect the 25 foot 1" wire sling to the scoop with 1" clevis

Tram the scoop toward headgate until box is empty

The rock bar will need to be adjusted as layers of chains are pulled from the box

Repeat this process every 250' until you reach the tailgate drive location

Remove all debris and materials

2. Duty 19: Install Tailgate Drive

Obtain and examine tools and materials

Rags

1" wire rope slings (25 and 35 feet)

3/4" socket set (SAE and Metric)

Allen wrenches (SAE and Metric)

Obtain tailgate drive from storage location with duck bill scoop

A ground man is required for this task

Remove sprocket covers if not already done and lay in pan of tailgate drive

Load with sprocket toward scoop operator

Secure with scoop winch rope

Tram the duck bill scoop battery first toward the face

Back into crosscut across from pan line

Tram drive toward pan line

Stop about 2' before the pan line

Lower the drive to the bottom

Push 1" cable connected to bottom chain through the drive under the sprocket

Align the drive with the duck bill

CAUTION: Stay clear of pinch points while the drive is being installed

Ground man should work from top of pan line

See diagram for dog bone installation

Install the dog bones

Raise the pan line slightly

Lower the drive onto four crib blocks

Pull chain to couple

Some chain link couplers may be directional

See diagram or photo(s)

Remove all debris and materials

3. Duty 20: Install AFC Gear Boxes and Motors

Obtain and examine tools and materials

Rags

3/4" socket set (SAE and Metric)

Allen wrenches (SAE and Metric)

Obtain the gear box and motor with the 620 duck bill scoop

Load gear box on the operator side of duck bill scoop with splines facing away from operator

Tram the duck bill scoop bill first into the drive

Align the gear box splines with the spline on the drive

Remove the four bolts from the coupler on the drive

Slide the coupler back

Tram forward until it is in position

Bolt the gear box and motor to the tailgate drive

Install mounting bolts

Slide coupler forward and align with splines

Install lock bolts

Install bed plate and gob plate

Obtain bed plate with 620 duck bill scoop

Load the bed plate with the shield eyes toward the operator

Place bed pan on duck bill bottom down

Secure with winch rope

Tram into position

Align and install six pins and three dog bones

Obtain gob plate with 620 duck bill scoop and take to the tailgate

Tram into position

Use lo-trac to assist in aligning

Install 30" keeper pin

Remove all debris and materials

4. Duty 21: Install Stageloader

Obtain and examine tools and materials

Rags

125 foot 3/4" wire rope sling

3/4" socket set (SAE and Metric)

Allen wrenches (SAE and Metric)

3/4" air impact wrench

Obtain #1 stageloader pan with duck bill scoop

Load with the side board on the operator's side of the scoop

Secure with winch cable

Tram into headgate

Align pan #1 using the sigmas

Install dog bones

#1 drive motor and gear box must be installed at this time

Remove covers from NDR (stageloader tail roller)

Slide covers from NDR (stageloader tail roller)

Push 3/4" rope to the last joint of pan under the NDR (stageloader tail roller)

Obtain #2 and #3 stageloader pan with duck bill scoop as a unit and install

Load with the side board on the operator's side of the scoop

Secure with winch cable

Tram into headgate

Stop scoop 2' from the connecting point

Lower duck bill to bottom

Push cable to the end of pan

Align pan #2 and #3 using the sigmas

Install dog bones

Obtain crusher with duck bill scoop and install

Load with motor mount facing operator

Secure with winch cable

Stop scoop 2' from the last stageloader pan

Set duck bill on bottom

Push 3/4" wire rope sling through crusher on bottom

Set crusher in place aligning with sigmas

Install dog bones and bolts

Obtain top cover of crusher with lo-trac, load on forks

Tram to crusher and set it on top

Install bolts to fasten cover

Obtain crusher motor with lo-trac

Load with pulley and shaft away from the operator on the forks

Tram the crusher motor to the crusher

Align with mounting brackets

Obtain covers with lo-trac

Fly wheel cover

Obtain Minnie master skid with lo-trac

Load with the pin clevis away from operator

Align with the mounts

Lower into place

Back lo-trac away

Align with bar and pin

Obtain Minnie master with lo-trac

Set and pin in place

Obtain and set goose neck with 620 duck bill scoop

Load the goose neck with the smaller opening toward the scoop operator and the clevis away from the operator

Secure in place with winch cable

Tram to the crusher

Stop 2' from the crusher

Lower duck bill to bottom

Push 3/4" wire rope sling through bottom goose neck

Align with scoop using sigmas

Attach with two large pins

Install C-clip keeper and two bolts

Obtain and set stageloader drive with the 620 duck bill scoop

Un-spool enough winch rope to go entirely through the stageloader drive

Slide the duck bill under the discharge end of the stageloader drive

Lower the mast on the duck bill

Tram in until the end of the stageloader drive is about 1' from the duck bill mast

Raise the tip of the duck bill until the end of the stageloader drive will clear the body of the scoop

Tram forward slowly until the spline for the walk side motor is across from the operator

Secure with winch rope through the top compartment of the drive

Tram the scoop to the stageloader

Stop the scoop 2' from the stageloader

Shut the scoop down

Push the 3/4" wire rope sling through the bottom compartment of the drive

Loosen the winch cable and unhook

Start the scoop

Align the sigmas of the pan and the drive

Tram forward slowly

Tram forward until the lip on the bottom of the stageloader drive aligns with the goose neck

Small adjustments can be made by tilting the duck bill up or down to get the bolt holes aligned

CAUTION: Do not work under or in close proximity of this unsecured drive

Shut scoop down

Install side panel bolts

Back the scoop about 3' so that the stageloader rests on the duck bill scoop bottom

Lay duck bill flat on the bottom

Build a 6 X 6 crib on the duck bill approximately in the center of the drive

This is to adjust the height to install the mobile tailpiece

Raise the duck bill and the stageloader drive high enough for the mobile tailpiece to fit under the end

Build a second crib 1' from the end of the duck bill

Lower the duck bill so that the second install crib carries the weight of the drive

Back the duck bill out of the way

Disassemble crib on duck bill

Remove all debris and materials

Title

Longwall Move (Setup) Spider No.4

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Version

20

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