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Mine Safety and Health Administration - MSHA
- Protecting Miners' Safety and Health Since 1978
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Joy 10SC 32 Shuttle Car Operator
Contact:
Palmer.Melvin@dol.gov
Home
1. Duty 1: Start-of-Shift Activit...
Check in/Tag in
Change clothes
Get CSE SR-100
Obtain PPE
Get radio
Obtain tools
Meet w/foreman
Enter the mine
2. Duty 2: Conduct examinations
Exit mantrip
Conduct work place examination
Conduct travel way examination
3. Duty 3: Control Functions
Stay in deck at all times whil...
Demonstrate panic bar
Start the pump motor
Demonstrate the pump tram spee...
Demonstrate directional switch...
Demonstrate the tram pedal fun...
Demonstrate foot brake functio...
Demonstrate park brake palm va...
Demonstrate the manual park br...
Demonstrate boom function
Demonstrate steering function
Demonstrate conveyor motor sna...
Demonstrate light switch funct...
Demonstrate audible alarm func...
Explain fire suppression syste...
Demonstrate seatbelt usage
Demonstrate counter function
Demonstrate cable reel diversi...
Demonstrate pump compartment c...
Show and explain offside fire ...
Demonstrate body jack valve ba...
Demonstrate panel box controls
4. Duty 4: Pre-op on Shuttle Car ...
Start at shive wheel
Check cable compartment
Check wheel units
Check pump compartment
Check tram motor (right)
Grease tail shaft and grease m...
Conduct visual exam of chain f...
Check lights
Check tram motor (left)
Grease tail shaft (left)
Examine body lift jacks valve ...
Examine main contactor panel
Grease two manifolds
Examine operator's compartment
Check conveyor motor
Visually examine lights for da...
5. Duty 5: Pre-op on Shuttle Car ...
Conduct following power on pre...
6. Duty 6: Tramming
Put seatbelt on
Keep all body parts with the d...
Clear persons out of shuttle c...
Set directional switch
Sound audible alarm before tra...
Start pump
Adjust tram speed using tram d...
Release park brake
Turn lights on in direction of...
Listen for anchor/slap
Depress tram pedal
Keep car centered in roadway
Make a turn traveling inby
Make a turn traveling outby
Observe for persons and obstru...
Traveling through ventilation ...
Operate at speed under which y...
Be aware of other equipment an...
7. Duty 7: Loading
Tram to continuous miner
At the miner, hold car over to...
Center the car (as much as pos...
Watch the tail boom of the min...
Stop loading coal within a foo...
Observe for miner operator sig...
Observe second row of fully in...
Ring bell
Tram to feeder
Be aware of other car switch o...
8. Duty 8: Dumping
Look for any activity around f...
slow down
raise boom (aprx. a foot)
center car on feeder
make sure feeder is on prior t...
dump load
raise boom as coal load is dum...
Report excessive spillage to s...
Turn lights in direction of tr...
sound audible alarm
pull off the feeder
lower boom
return to continuous miner
9. Duty 9: End-of-shift activitie...
Ensure car is empty
Park car at the feeder
Turn wheels toward rib
Clean out deck compartment
Clean spillage off sides of ca...
Ensure slate bar is left on ca...
Kick breaker on feeder
Kick breaker on car
Check ventilation controls/fly...
Check tail piece for spillage
Report any maintenance problem...
Walk to mantrip
10. Duty 10: Unusual Situations, E...
Fire
Loss of brakes
Show escapeways
Assist with mechanical repairs
Joy 10SC 32 Shuttle Car Operator
1.
Duty 1: Start-of-Shift Activities
Check in/Tag in
Change clothes
Get CSE SR-100
Check indicators
Conduct visual examination
Seal and dents
Obtain PPE
Metacarpal Gloves
Safety glasses
Hearing protection
Metatarsal safety shoes
Leather boots strongly recommended
Respirator
Reflective material on clothing
Hard hat
Cap lamp
Get radio
Conduct function test
Obtain tools
hammer
nails and spads
utility knife
channel locks
Meet w/foreman
Discuss section activities
Supplies
Condition of section
Cutting sequence
Condition of shuttle car
Maintenance needed on shuttle car
Attend safety talk
Discuss roof control plan
Bolted/unbolted areas
Enter the mine
Ensure clearance is granted (track mines only)
Get on mantrip
Put on safety glasses
Ensure mantrip has been pre-op'd
2.
Duty 2: Conduct examinations
Exit mantrip
Conduct work place examination
Observe for mobile equipment
Check for bad top
Check for cracks, loose rock, taking on weight, water
Check for loose ribs
Check for cracks, brows and sloughage
Look for uneven bottom
Ledges and potholes
Check for slip/trip hazards while walking
Check ventilation
Check fly pads and line curtains
Check for damaged bolts
Visually inspect shuttle car cable (power off)
Check condition of splices
Check for cuts/nicks
Check for deformities in cable
Check for torn jacket
Check the anchor
Make sure main breaker on car is off and tagged out in operator's deck
Ensure cable is hung properly from anchor to power center
Examine tail piece and feeder
Check for spillage
Check spill boards
Check for tripping hazards
Check guarding
tail roller
couplings
Check gob switch
location
function
Check area around tailpiece for spillage
Check box check at tail piece
Check for water on the belt
Correct and/or report any unsafe conditions
Start belt
Start feeder
Conduct travel way examination
You may see hazards walking travelway that you wouldn't see riding
Check for unsupported top
Rounded corners, missing bolts, unbolted areas
Check for bad top
Check for cracks, loose rock, taking on weight, water
Check for loose ribs
Cracks
Brows
Sloughage
Look for uneven bottom
Check for ledges, potholes, rocks in and on roadway
Check for slip/trip hazards while walking
Check for cable locations and slack
Miner, roof bolter
Check fly pads before tramming through
Check for damaged bolts
Correct and/or report any unsafe conditions
3.
Duty 3: Control Functions
Stay in deck at all times while testing deck controls
Give trainee adequate time to learn and practice these controls
Use picture of deck controls to train
Demonstrate panic bar
Push to shut the machine down
Activates two different controls (electric switch and hydraulic valve)
Start the pump motor
Demonstrate the pump tram speed switch
Rotate to the start position
spring loaded to center to "high tram on"
Manually select tram speed
high, medium, slow speeds or "pump off" position
Demonstrate directional switch function
rotational switch forward/backward
Demonstrate the tram pedal function
will automatically center to stop
Demonstrate foot brake function
Demonstrate park brake palm valve function
Press palm valve and pump lever to 500/600 psi to disengage brake
Demonstrate the manual park brake release
Demonstrate boom function
Up and down lever (hydraulic valve)
Demonstrate steering function
hydraulic lever
Demonstrate conveyor motor snap switch function
At start, spring loaded to the "on" position
Demonstrate light switch function
Demonstrate audible alarm function
Explain fire suppression system activation
Pull pin, push plunger
Demonstrate seatbelt usage
Explain need for usage
Refer to tramming procedures
Demonstrate counter function
Demonstrate cable reel diversion valve located in cable reel compartment
Ensure park brake is set or shuttle car is blocked against motion
releases the cable reel to pull cable off
Demonstrate pump compartment controls
Demonstrate oil fill valve
Demonstrate body jacks diversion valve
two position valve (on/off)
Show and explain offside fire suppression activator function
Demonstrate body jack valve bank functions located at operators side of tram motor
Demonstrate four valves (up, down for each jack)
Demonstrate panel box controls
Demonstrate conveyor forward/reverse switch
Demonstrate main machine breaker
Demonstrate traction breaker
Demonstrate control breaker
breaks 110 voltage
4.
Duty 4: Pre-op on Shuttle Car - Power Off
Start at shive wheel
Check shive wheel for material build up
Clean as needed
Check to see if shive wheel turns
Grease the shive wheels
obtain grease gun from feeder
Check cable compartment
Check for material build up
clean as needed
Check level wind
Assure cable is spooling evenly
Check the diversion valve for on position
Check drive chain oiler for operation
Check cable slack on reel
Slack may need to be added or removed
Check for oil leaks
Check wheel units
Check to ensure wheels bolts are in place and tight
Wheel units will be checked as they are encountered
Check for oil leaks
Check tire condition
Check tie rods
Check for material build up
Remove rocks, mud and other debris by barring or water, if available
Check body lift jacks to ensure they are in up position
Check pump compartment
Check for oil leaks
Check two diversion valves to ensure they are off
Oil fill
Body jacks
Check filter for leaks
Check for material buildup
Clean as needed
Check tram motor (right)
Check for material buildup
clean as needed
Check for leaks
Check fire suppression activator
Do not activate
Check wet brakes
hydraulic leaks
Grease tail shaft and grease manifold (right)
3 to 4 pumps
See lube diagram
Conduct visual exam of chain from load end of shuttle car
Check lights
Check to see if lights are missing or damaged
Check tram motor (left)
Check for material buildup
clean as needed
Check for leaks
Check fire suppression activator
Do not activate
Check wet brakes
hydraulic leaks
Grease tail shaft (left)
Examine body lift jacks valve bank
Should be in off position
Examine main contactor panel
Visually check packing glands
Check for loose or missing bolts
Check lead seals
Check rub rail for damage
Ensure panel is secure
Ensure breakers are in the on position
Check for material buildup
clean as necessary
Grease two manifolds
3 to 4 pumps
See lube diagram
Examine operator's compartment
Check for material build up
clean as necessary
Check for oil leaks
Check bell
Check slate bar
Check fire suppression button
Check shuttle car counters or chalk
Check mechanical function of brake pedal, tram pedal and panic bar
Check the manual brake release
Hold in palm valve and pump the lever to check
If necessary to check from outside deck area, car must be chocked/angled against rib
Check condition of seat and seatbelt
Check canopy bolts
present and tight
Check screen between compartment and conveyor chain
Ensure it is there and clean
Check conveyor motor
Check for oil leaks
Check for buildup of debris
Check conduit and packing gland
Visually examine lights for damage
Check to see if lights are missing or damaged
5.
Duty 5: Pre-op on Shuttle Car - Power On
Conduct following power on pre-op checks
These are all functional tests and all components should start and stop at design
Check lights
1 light out - report
2 lights out on same end - shut down
Subtopic
Turn pump on
Turn pump off with panic bar
Check start/stop speed control
If tram speeds are not functioning properly, report immediately
If you only have high tram speed, don't operate car (could damage internal electrical components)
Check park brakes
Check park brake first
Service brake next
Check steering
Steering defects are normally considered out of service criteria
Check forward and reverse switch and tram function
Check conveyor chain on/off switch
Check boom raise/lower lever
Look for cable pick up
6.
Duty 6: Tramming
Put seatbelt on
Keep all body parts with the deck compartment
Clear persons out of shuttle car Red Zone
Set directional switch
Sound audible alarm before tramming (voice or bell)
Serves as a warning to persons in area
Start pump
Adjust tram speed using tram dial
See Duty on Controls
Release park brake
Push button in (palm valve)
Check brake pressure
Pressure should be around 500/600 psi
Brake pressure should increase to aprx. 1200 psi after steering is activated
Check steering
Move wheels to right and left
Turn lights on in direction of travel
Always face direction of travel
Listen for anchor/slap
Depress tram pedal
Keep car centered in roadway
Use the first row of bolts off the rib to judge the positioning of car
This row of bolts should line up with your shoulder
Use existing tire tracks to judge position of car
Make a turn traveling inby
Line up front tires with break corners and turn wheels left or right as hard as possible
Be careful not to over-steer
Steering is controlled by a hydraulic valve. As long as valve is open, the wheels will make a maximum turn
Make a turn traveling outby
Line up boom end tires with break corners and turn wheels left or right as hard as possible
Observe for persons and obstructions in travel ways
Refer to Shuttle Car Red Zone Policy
Ring bell or flash lights
Refer to Shuttle Car Red Zone Policy
Stop (if necessary)
Refer to Shuttle Car Red Zone Policy
Stop car for persons on offside of shuttle car
Refer to Shuttle Car Red Zone Policy
Untitled
Traveling through ventilation controls/fly pads/curtains
slow down
sound audible alarm
This alarm should be given well in advance of traveling through controls/fly pads/curtains
flash lights
replace any damaged ventilation controls
Operate at speed under which you can maintain control of the car
road conditions (water, mud)
experience
Be aware of other equipment and cables in travel ways
switch out points
scoop movement
roof bolter cable in low coal
miner cable
7.
Duty 7: Loading
Tram to continuous miner
See tramming procedures
At the miner, hold car over to the left rib
Avoid miner cable and operator
Always maintain a safe line of retreat for the miner operator
Center the car (as much as possible) under boom
Turn shuttle car wheels toward miner operator while loading (sitting under the boom)
Observe roof over miner operator for loose roof or ribs/Red Zones
Car operator has a better view of roof conditions than miner operator
Do not bump back of miner
Maintain communication with miner operator
Ensure miner operator is not near the load end of the shuttle car during loading
Rocks can slide off the car and strike miner operator
The area directly in front of the load end of the shuttle car is where miner operator could most likely be struck by rocks
Change the direction of your lights
Watch the tail boom of the miner and as coal builds up, run the chain to load car as evenly as possible without overloading/spilling
Stop loading coal within a foot of the end of boom
Use the outby end of deck compartment as a guide
Listen for spillage
Observe for miner operator signal when car is loaded
Miner operator will flag you
Observe second row of fully intact roof bolts
Never travel under unsupported top
Refer to roof control plan
Could result in disciplinary action
Ring bell
Refer to Shuttle Car Red Zone Policy
Tram to feeder
Be aware of other car switch out points/scoop activity
8.
Duty 8: Dumping
Look for any activity around feeder
scoops cleaning
maintenance activities
people using phone
slow down
Allows for reaction time
raise boom (aprx. a foot)
center car on feeder
Position boom so coal drops in center of feeder
Use reflectors to center car on feeder
make sure feeder is on prior to dumping
dump load
raise boom as coal load is dumped
Prevents spillage
Slow down dumping when discharging rock to allow the crusher processing time
This will break shear pins, possibly chains, unnecessary wear on crusher bits and crusher and chain flights
Report excessive spillage to supervisor
shuttle car gobbed out
Turn lights in direction of travel
sound audible alarm
bell or voice
pull off the feeder
Look and listen for unusual sounds, smells in the feeder area
hydraulic leaks
dust
belt operation
lower boom
return to continuous miner
See tramming procedures
9.
Duty 9: End-of-shift activities
Ensure car is empty
Park car at the feeder
Never park within 15' of fly pads
Turn wheels toward rib
Clean out deck compartment
Clean spillage off sides of car
Ensure slate bar is left on car
Kick breaker on feeder
Kick breaker on car
Check ventilation controls/fly pads/curtains
Check tail piece for spillage
Unattended, belt still running
Report any maintenance problems/clean up needed, etc. to supervisor/electrician
Walk to mantrip
look for tripping and stumbling hazards and correct as needed
10.
Duty 10: Unusual Situations, Emergencies, Non-routine duties
Fire
Refer to fire-fighting and emergency evacuation plan
#1 Shuttle Car
Assists miner operator in gathering water line and fighting fire
#2 Shuttle Car
Mans phone and communicates with outside person
Loss of brakes
Stay in your seat
Steer into rib
Hit panic bar
Show escapeways
Assist with mechanical repairs
Communications are key to safety in non-routine and/or unusual situations
Repeat commands to make sure they are clear
SLAM (Stop, Look, Analyze and Manager) the task