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	Joy 17 RU Under Cutter (Spider No.1)
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1. Start of shift activities

Conduct self assessment

Punch time clock

Obtain and put on PPE

Self-rescuer and mine belt

Eight inch lace up steel toe boots

Examine self-rescuer

Obtain and fill water cooler with water

Walk to production shaft

Assure the man cage to be spotted

Assure horn is sounded prior to opening shaft gate

Open shaft gate

Open the man cage door

Close the shaft gate

Close man cage door

Ride man cage down to the nine hundred foot level after signal is given to hoist operator

Assure that the horn is sounded prior to opening the man cage door

Open man cage door

Open shaft gate

Assure skip is spotted at landing prior to stepping off

Close man cage door

Close shaft gate

Release the man cage

Enter the air-lock

Close air-lock doors

Open inside air-lock door and exit

Close air lock after last person has exited the air-lock

Walk to transportation

Travel to sixteen hundred foot level shop

Save lunch in lunch room

Attend pre-shift line up with supervisor

Location of under cutter

Where is the next face

Discuss any maintenance issues

2. Work place inspection

Check atmospheric condition

Smell the air for any unusual odors

Smell of rotten eggs would indicate the presence of hydrogen sulfide gas

Observe the changes in lighting

Amber color would indicate high nitrogen dioxide concentration

Inspect ground conditions for loose scales

Back

Face

Ribs

If any loose ground is found report to supervisor, communicate with scale operator about scales to be removed. back under cutter out if needed

Inspect floor for slip trip and fall hazard

If any unsafe condition is found contact supervisor and or correct unsafe condition

Check travel route for under cutter

Inspect for loose and deep soft salt

Loose deep salt could cause the under cutter to get stuck and or will cause equipment damage.

Assure no other equipment will be blocked by cable when under cutter enters face area.

Notify supervisor to have equipment moved.

Fill out work place inspection form immediately after work place inspection is completed

Responsibility of the operator to complete form. if form is not completed the employee would be disciplined

3. Conduct pre-shift inspection

Conduct a general walk around of under cutter

Check to assure equipment is not tagged out of service

If equipment is tagged out notify supervisor

Look for any unusual/ unsafe condition around and under the under cutter

Look for large puddles of fluid on floor , around and under cutter

Check electrical cable and clamp

Never handle energized cables

Use cable hook or attached rope if cable has to be handle

Never try to attach a rope to an energized cable

Insulated straining clamp must be secured to the cutter cable and cutter with chain

Ensure slack is provided between the attached clamp and plug

Ensure chain from insulated clamp is attached to the cutter

Walk the length of the cable from the cutter to the transformer looking for nicks, cuts and bare wires

Follow lock out tag out procedure if cable is damaged and notify supervisor

Plug cutter cable into transformer if disconnected

Ensure breaker is in off position

Lift receptacle cover

Raise the plug and engage the hooks onto the holding bar

Ensure proper lifting procedures are used

Rotate plug down into position

Apply downward pressure to assure plug is properly seated

Listen for clicking sound of latching mechanism and or try to raise rear of plug

Do not energize cutter cable until after checking GM 200

Check labels on plug and breaker

Ensure breaker and plug is properly identified

Locate and use magnetic labels if not properly identified

Remove proper magnetic label from door

Place on correct cutter breaker

Ensure cable is secured to transformer with attached rope

Push test button

Turn breaker back on if breaker trips

Notify supervisor If breaker does not trip

Lock and tag out if breaker does not trip

Check ground trip system

Push test button

Turn breaker back on if breaker trips

Notify supervisor If breaker does not trip

Lock and tag out if breaker does not trip

Energize cable if needed

Stand off to the right side of breaker when energizing

Raise breaker handle to energize

Check cutter head oil level

Remove top plug to assure proper oil level

Plug is located front center of the head

Notify supervisor and or serviceman if no oil is present

Check head cover plate

Assure bolts are in place and tight

Notify supervisor if bolts are missing or loose

Check cutting bar, chain, and Dovetail and bolts

Look for missing rivets and damage wear strips on the cutting bar

Check for excessive play on the hanger bar and dove tail

Excessive play is more than a one inch gap between hanger bar and dove tail

Notify supervisor of any defects

Check for broken or missing bits on the chain

Cutter operator will install new bits after completing pre-shift inspection using proper bit changing procedure

Assure no more than five or more bits are broken off flush with the block or any two in a row

Assure cutter is tagged out and not be operated if this condition is found

Notify supervisor if above condition is found

Check for loose chain

Assure there is no more than one inch play between the sprocket and end of the bar

Assure cutter is tagged out and not operated if this condition is found

Notify supervisor if the above condition is found

Check exposed chain guides for excessive wear

Assure no sharp edges are visible on chain guide

Notify supervisor if above condition is found

Assure dove tail bolts are in place and tight

Check for cracks and metal fatigue on the dovetail

Metal fatigue can be identified by discolored metal

Check front U-joint and bolt

Assure by visual inspection that all bolts are in place and safety wire is in tact

Assure cutter is tagged out and not operated

Notify supervisor if above condition is found

Check back U-joint and bolts

Assure by visual inspection that all bolts are in place and safety wire is in tact

Assure cutter is tagged out and not operated

Notify supervisor if above condition is found

Check transmission oil level

Assure oil is in site glass

Located at bottom right side of transmission

Contact serviceman if oil is needed

Check water level

Assure water tank is full by opening cap on top of tank

Contact serviceman if water is needed

Check water hoses

Look for wetness, cracks around the hose

Check hydraulic oil level

Remove top plug to assure proper oil level

Plug is located between operators cab and left steering tire

Notify supervisor and or serviceman if no oil is present

Check all hydraulic hoses and fittings for oil leaks

Visually inspect for damaged, hoses loose fittings, frayed,obvious wear

Notify supervisor if leak is detected

Check control valve

Assure valve is not leaking hydraulic oil

Notify supervisor if leak is detected

Assure all levers are in place

Check steering cylinders,pins,mounts, and retainers

Assure pins, mounts and retainers are in place and no visible leak on steering cylinder

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check stab jack cylinders, pins, mounts, and retainers

Assure pins, mounts and retainers are in place and no visible leak on stab jack

Notify supervisor if defects are found

Check cutter electric motors

Assure guards are in place

Assure fan is on back of motor

Assure electrical connections are in tact

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check electrical boxes

Assure all wires are properly bushed where it enters and exit the box

Assure the doors are closed and latched

Assure there are no exterior damage to the box

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check fire extinguishers.(2)

Assure pin is in place and retained

Assure it is fully charged

Check for cracks in the hose.

Assure monthly inspection is current

Assure the extinguisher is type ABC

Underground mine fires cause carbon monoxide gas and oxygen deficient atmosphere and can be explosive with right mixture of oxygen

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Assure front and rear lights are functional

Assure lights are properly mounted to the cutter frame.

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check wheel lug

Assure all are present and tight

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check headache rack

Check for cracks in the welds

Tag out if any defects that affect safety are found.

Notify supervisor of any defects that affect safety are found

Check housekeeping

Check for trash and remove if necessary

Check boom lift cylinders, pins, mounts and retainers

Assure pins, mounts and retainers are in place and no visible leak on boom lift cylinders

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check boom swing cylinders, pins, mounts and retainers

Assure pins, mounts and retainers are in place and no visible leak on boom swing cylinders

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check bar swing cylinders, pins, mounts and retainers

Assure pins, mounts and retainers are in place and no visible leak on bar swing cylinders

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Check boom roll guard bolts

Assure bolts are in place and tight

Tag out if any defects that affect safety are found

Notify supervisor if any defects are found

Assure tire is not peeling off of the rim

Check for missing chunks on the tires

Notify supervisor if any defects are found

Turn on hydraulic motor

Push green indicator button labeled pump start

Check bar tilts cylinder, pins, mounts, and retainers

Raise cutter head by lifting boom lift control lever

Tilt cylinder is located below the cutter head

Assure pins, mounts and retainers are in place and no visible leak on bar tilt cylinders

Tag out if any defects that affect safety are found

Notify supervisor of any defects that affect safety are found

Engage brake by pushing brake control lever down to set brakes

Apply brakes and attempt movement of cutter to assure brakes are holding

Push down on slow tram control levers

Notify supervisor if brakes are not holding

Check tram motor and chain

Release brakes and push down on tram control levers one at a time to assure operation of motors

Assure chain is in tact without excessive slack

Excessive slack is chain dragging on ground or rubbing the cutter frame

Tag out if any defects that effect operation of the tramming components are found

Notify supervisor if any defects that effect operation of the tramming components are found

Check bug duster components.(2)

Assure bolts are in place and tight

Check for hydraulic fluid on floor

Push bug duster levers down to assure proper rotation

Ensure both augers are turning freely

Tag out if any defects that effect operation of the bug duster components are found

Notify supervisor if any defects that effect operation of the bug duster components are found

Report any safety defects and immediately shut down and tag out and report to supervisor and all equipment defects or unusual conditions to supervisor

Fill out pre-shift inspection form immediately after conducting pre-shift inspection

Responsibility of the operator to complete form. if form is not completed the employee would be disciplined

Title

Joy 17 RU Under Cutter (Spider No.1)

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Company

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Author

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Version

235

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