Check for pressure, function, and for missing sprays Minimum working sprays, refer to approved ventilation plan
Check operation of scrubber system
Check filter cleanliness
Ensure ductwork is clean
Ensure sump is clean
Clean by back flush
Check that plug is in sump bottom and in good condition
Ensure demister is clean
Clean by back flush
Check scrubber system sprays
Check scrubber door seal
Ensure minimum quantity of air in system
Refer to approved ventilation plan
Try all remote box functions for proper operation
Be sure that all personnel are clear of the RED ZONE
Give a LOUD verbal warning before starting pump motors
Operate tram enable
Operate panic switch
Activate fire suppression
Operate all other control functions
6. Machine Startup
Make methane test
Review the properties of methane
Check ventilation
Conduct workplace exam
At each cut
Attach slack ropes
Depends on mining cycle
Start the machine
Clear RED ZONE
Signal start
Start pump motor
Hold shift button and hold pump start button simultaneously. Forced potato start functions may vary, refer to remote type
Tram inby
Activate tram enable
Twice for high tram speed
If cats are split, tram speed is automatically reduced to low speed
Position yourself clear of RED ZONE
Refer to RED ZONE diagram
Activate forward tram switch
CAUTION: When moving from the rear of the machine to the front of the machine to tram, operator may become disoriented with control functions
7. Cutting Coal
Do not cut any face until
Bolted, cleaned up and rock dusted
Within 4 feet of the face
Warning device installed second to last row of bolts
Setup on curtain side
Curtain side with blowing ventilation on the right side and exhausting is on the left side
Check center lines
Explain reference points on machine
Check air at the start and periodically through the cut
Use velometer to measure air movement
Start the ripper head
CAUTION: Give a LOUD verbal warning before starting ripper head. Make sure cutter heads are off the bottom, slightly away from face and below the roof.
Hold shift and pull cutter toggle down
Release toggle after start
Water turns on automatically, if head sprays do not turn on, shut miner down
Engage tram enable switch
Tram forward
Both cats
Both cats will remain in low speed forward as long as you are cutting. Refer to manufacturer's specifications for additional information on shearing speed control
Sump into coal
Bottom first, then cut up
Back the miner up one drum width
This also dresses the bottom
Raise the head, cut into top
Sump down
Repeat cycle until number 1 lift is complete
Advance line curtain
Explain how to roll up curtain
According to plan
Do workplace exam
Check air
Examine for methane
Every 20 minutes maximum
Reposition the miner
If curtain side cut first while staying out of the RED ZONE reposition the miner on the opposite side paying attention to your cut width. Refer to roof control plan
Remove number 2 lift
Repeat cut cycle for lifts 3 and 4
Cleanup
Clean right side
Clean left side
Back miner at least 4 bolt rows
After cleanup is completed
Shut miner down
Adjust line curtain
Hang warning device
Reflectors, ribbons, and/or signs
Make final gas examination
8. Main Topic
9. Loading Shuttle Cars
Precut coal
Place miner boom in center of shuttle car
Not against the top
Not laying in bed of shuttle car
Transmitter hydraulic functions do not require shifting
Start conveyor
Hold shift toggle up
Hold up on conveyor on toggle
Release after conveyor starts
Load shuttle car
Communicate with shuttle car operator
Do not overload the back of the car
Position yourself out of miner RED ZONE
Be visible
Clothing, cap light toward car man
Position yourself away from shuttle car
Think about your body position
10. Place Change
Attach slack rope to the miner
Shut miner down
Shift key down
Any time you attach additional slack rope, follow this procedure
Push up on pump toggle
Restart miner out of the RED ZONE
Yell LOUDLY "starting the miner"
Tram to next cut
Tram enable has to be re-energized if not used within 3 seconds from time it is released
Ensure that all personnel are out of RED ZONE
11. Cable Handling and Slack Ropes
Back miner until you can attach the pull rope to the miner
Usually one length of the miner
Shut off miner
Be aware of RED ZONE
Wear gloves
Attach pull rope to the pan hooks on miner
Position yourself outside of the RED ZONE
Restart the miner
Repeat the cycle until desired location is reached
Pulling forward, ropes attached
Be sure to drop proper ropes off to prevent knots
Shut off miner
Wear rubber gloves
Drop one loop of cable at a time
Be sure to drop proper ropes off to prevent knots
Position yourself outside of RED ZONE
Restart miner
Tram forward
Repeat cycle until you are at the next place
Remember, must have enough slack to take next cut
Get help to hang cable at necessary locations
12. Turn Crosscut to the Right
Conduct workplace exam
Ensure crosscut is marked off
Mark off the outby rib line
Install warning devices 2 full rows back from outby rib line
Position yourself out of the RED ZONE
Turn miner on
Yell LOUDLY "starting the miner"
Position right hand side of cutter head on the mark at the outby rib line
Start the cutter head
Yell LOUDLY "starting the cutter head"
Keep repeating short angle cuts until the miner is turned 90 degrees
If permanent roof support has been damaged in any way, move back 2 rows
Advance line curtain
Cleanup
Make methane check
Checks not to exceed 20 minutes
Remove miner to next cut
Repeat place change process
13. Job Duties Between Cuts
Position the miner in the crosscut
Leave cutter head off the bottom at least 2 inches
Shut down miner
Lockout and tagout at cat head power center
Perform scrubber maintenance
Clean ductwork
Pull screen out, tap it, and spray it
Spray the demister
Spray out the sump
Change bits
Wear safety glasses
Rotate head manually
Use tool
Use rock bar or pipe
Ask for help to turn head
Remove old bits
Place in bucket, give to scoop man for disposal
Try to get a car man to change bits
Remove personnel from RED ZONE
Re-energize miner
Clean miner
Wear gloves
Break pieces with sledge if possible
Remove large pieces with chain
Do not use existing roof support for an anchor
Hose coal dust off miner
Hose crossover tubes at conveyor
At front of conveyor
Use high pressure water
Be careful not to get under boom
Also spray out conveyor pivot between conveyor swing jack bracket and flex boards
14. End of Shift Activities
Park machine between blocks outby last open cross cut last shift of the week
Conduct final ventilation check on last shift before weekends
Conduct a red button transmitter check on the remote box at the end of every second shift
Check radio control battery backup on the fire suppression system every Tuesday at the end of second shift