Mine Safety and Health Administration (MSHA) - Interactive Training - JTA Spiders - Mine Safety and Health Administration (MSHA) - JTA's - Joy 14CM RC Continuous Mining Machine with attached mobile bridge haulage

Joy 14CM RC Continuous Mining Machine with attached mobile bridge haulage

1. Duty 1: Start-of-Shift Activities

Change clothes

Get CSE SR-100

Check indicators

Check seal and dents

Remove from pouch monthly

Check in/Tag in

Obtain PPE

Gloves

Safety glasses

Hearing protection

Safety boots

Respirator

Reflective material on clothing

Hard hat

Get detector

Check battery

Zero out

Get cap lamp with accessory receptacle

Check charger

On fully charged lamp, gauge will be off

Get streamers

Meet with foreman

Obtain work assignments

Discuss bolted/unbolted areas

Discuss planned belt-ups

Enter the mine

Conduct pre-op on mantrip

The miner operator normally operates the mantrip

Check lights

Ensure horn works

Check foot pedal brake

Check parking/emergency brake

Check fire extinguisher

Get rock bar, pump jack, and handle

Check tires

Check travel way conditions

Always examine work area and work place for hazards

Get on mantrip

Put on safety glasses before mantrip moves

Tram mantrip to face

Use dynamic brake when going downgrade

Travel at speed consistent with roadway conditions

Park out of the way

Set emergency brake

Turn power switch off

2. Duty 2: Hot Seating (1st to 2nd shift)

Check travelway conditions

Always examine work area and work place for hazards

Talk to other continuous miner operator

Discuss condition of machine

Discuss problems with remote, shutdown switch, etc.

Discuss time frame for gas tests, if necessary

Discuss roof conditions

Discuss changes in bottom

soft, wet, broken up

Examine roof and rib

Look for check curtains

Put red streamers up

Place on 2nd row back, place on each side of miner, no one may go past streamers when miner is in cutting cycle

Check for unsupported roof signs

One should be placed behind the curtain

Placed at all approaches to unsupported areas

3. Duty 3: Starting Fresh (Day shift)

Check work area conditions

Always examine work area and work place for hazards

Talk to mechanic on section

Discuss water pressure

25 psi minimum

Discuss sprays

17 sprays minimum per plan

Discuss bits

Discuss scrubber ductwork and screen cleanliness

Discuss whether or not sump has been flushed

This is part of the required dust parameters examination

The mechanic will do these for you when possible

Talk with foreman

Discuss mining sequence

Discuss any problems observed

Discuss air readings and cut depths

2 cut sequence

4 cut sequence

Obtain clearance to tram into the face

Confirm methane exam has been made

This is part of the required dust parameter examination

Tram miner to face

Allow for foreman to take scrubber reading

Inform bridge crew where you are going and that you are starting up

Position yourself behind the miner in crosscut if at all possible

Stay out of miner red zones

Discuss Red Zones for CM and haulage

Position yourself in a crosscut ahead of the miner until it passes

Stay out of miner red zones

Discuss Red Zones for CM and haulage

Start mining

4. Duty 4: Conducting Dust Parameter Exam

Check work area conditions

Always examine work area and work place for hazards

De-energize miner

Put water pressure gage on right side of miner near bull wheels

Energize machine

Activate water sprays with remote

Count how many sprays are in operating condition

17 operating sprays minimum

No more than one blocked spray in each spray bar

Check scrubber sprays

Not part of the 17 - a minimum of two must be in operating condition at all times