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XL510 Gradall Low Roof Scaler (Spider No.1)

XL510 Gradall Low Roof Scaler (Spider No.1)
Start of shift activities Work place inspection Conduct pre-shift inspection Tramming and Back Scaling operation Scale ceiling (A) Scale face  (A)
1. Start of shift activities
Conduct self assessment
Tag in
Punch time clock
Obtain and put on PPE
Hard hat
Cap lamp
Self-rescuer and mine belt
Eight inch lace up steel toe boots
Safety glasses
ID tag
Obtain and fill water cooler with water
Walk to production shaft
Contact hoist operator
Assure the man cage is spotted
Assure horn is sounded prior to opening shaft gate
Open shaft gate
Open the man cage door
Enter man cage
Close the shaft gate
Close man cage door
Signal hoist operator for proper level
Ride man cage down to the nine hundred foot (900') 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
Exit man cage
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
Walk to transportation
Travel to sixteen hundred feet (1600') level shop
Save lunch in lunch room
Attend pre-shift line up with supervisor Priority 2
Location of scaler
What room to scale?
Where is the next face?
Discuss any maintenance issues
2. Work place inspection
Inspect ground conditions for loose scales Priority 3
Back/Roof
Face
Ribs
Inspect floor for slip, trip, and fall hazards Priority 3
If any unsafe condition is found contact supervisor and or correct unsafe condition
Inspect for misfire caps Priority 3
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 scaler
Look for any unusual/ unsafe condition around and under the scaler
Look for puddles of fluid on floor, around and under scaler
Check engine oil by pulling dip stick
Trainer should point out the proper operating levels.
Check coolant reservoir
Ensure engine is not hot prior to opening.
Trainer should point out the proper operating level line during training
Check fuel level
Observe fuel gauge in operators cab on left side of control panel
Check hydraulic oil level
Observe site glass on front side of hydraulic tank
Check v-belt for wear, cracks and splits
Check radiator hoses for wetness and cracks
Check engine compartment guards Priority 3
Assure (2) guards are in place
Refer to company policy and procedure manual on guarding
Check boom extension swivel
Check for hydraulic leaks
Check for loose bolts on swivel
Check Allen bolts on swivel
Check mounting bracket
Check pick cylinder and pick
Check to assure all pins are in place and properly retained
Check for hydraulic leaks
Check rollers and cams
Inspect visually for wear and tear of rollers
Inspect cams visually to ensure bolts are in place
Check boom lift cylinder & pins
Assure all pins are in place and properly retained.
Check for hydraulic leaks.
Check housekeeping
Check for and remove all trash
Trash could block brake and tram pedals functions.
Check air filters on engine
Unscrew wing nut and remove end plate cover and remove filter to inspect
Contact supervisor to replace filter.
Proper inspection procedure will be demonstrated
Check tires for inflations, pealing, wear and tear
Check wheel lugs for tightness
Ensure all lugs are there
Check steering cylinders and ball joints
Check for fluid leaks and visually inspect ball joints to ensure nut is secured in place
Inspect counter weight retainer bolts
Ensure all bolts are in place and tight
Check hydraulic hoses Priority 3
Look for wetness, cracks around hoses and fittings.
Check for excessive wear and leaks
Check boom swing turn table bolts
Ensure bolts are in place
Check for hydraulic leaks.
Check boom extension cylinders & pins
Assure all pins are in place and properly retained.
Check for hydraulic leaks.
Check steering cylinder and pins
Assure all pins are in place and properly retained.
Check for hydraulic leaks
Ensure all grease points have been greased
Contact supervisor if not properly greased
Check fire extinguisher Priority 3
Check gauge to ensure properly charge.
Ensure pin is secure and in place.
Underground mine fires cause carbon monoxide gas and oxygen deficient atmosphere and can be explosive with right mixture of oxygen.
At least one fire fighting system must be operable at all times. If defects are found on both systems, tag-out drill and immediately report it to supervisor.
Check fire suppression cartridge and ring pin. Priority 3
Check gauge to ensure properly charge
Ensure pin is secure and in place.
Ensure LED indicator is functioning and green light is on
Underground mine fires cause carbon monoxide gas and oxygen deficient atmosphere and which can be explosive with right mixture of oxygen.
Inspect ROPS structure
Check for cracks
Check for broken weld
Check for loose or missing bolts
Start engine
Enter cab Priority 3
Maintain 3 points contact during mounting and dismounting Priority 3
Turn key clock wise
Never leave equipment idling unnecessarily due to DPM regulations
Ensure back up alarm is functional
All operators shall look behind prior to backing up
Ensure horn is functional
Horn button (red) is located on both joy sticks
Check hydraulic safety switch Priority 3
Safety switch is located on right arm rest of operator seat
Raise arm rest to disengage hydraulic functions
Check lights
Flip toggle switch to on position
Assure all lights are on
Check windshield
Check for cracks
Ensure windshield is properly within the seal
Clean windshield as needed
Check for wiper operation.
Check engine speed control
Dial knob to desired RPM
Check tram alarm Priority 2
Release parking brakes
Tram forward and reverse to assure alarm is functioning
Listen for alarm
Check yellow strobe light
Strobe must be operational before scaling operation begins. This is a secondary precaution to the posted warning sign.
Check park brakes
Engage park brake by lifting mushroom knob up and attempt to tram forward and reverse
If park brakes do not hold, tag out and notify supervisor.
Check digging brakes
While in low tram, the digging brake will apply automatically when tram pedal is released.
While in high tram, the digging brake will not apply when tram pedal is released. Manual brakes must be used when using high tram.
Report any safety defects and/or unusual conditions to the supervisor and immediately shut down and tag out equipment Priority 3
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 will be disciplined.
Pink copy is kept with machine
4. Tramming and Back Scaling operation
Complete Pre Shift Inspection (duty 3) prior to tramming
Throttle engine to desired RPM
Three quarter throttle desired
Release park brake after air pressure reaches approximately 90 PSI
Lower right arm rest to engage hydraulic system
Right arm rest serves as safety switch.
Raise boom 2 feet from ceiling pulling back on left joy stick
Lights aid in inspecting ceiling when tramming
Push or pull on steering wheel to adjust to a comfortable operating position
Depress foot pedal to forward position to release digger brakes
Begin tramming
Press foot pedal and steer scaler with steering wheel
Tram to desired location
Inspect for scales on back and ribs while tramming
While tramming be aware of trailing cables, mobile equipment, power centers, and pedestrian traffic
If scales are observed, follow scaling procedures.
Post room with sign: "scale area do not enter"
Inspect face area for any unusual atmospheric condition
Refer to gas chart
Inspect face area
Lower boom to parking position
Set park brakes
Dismount scaler using caution maintaining 3 point contact Priority 3
Explain mounting and dismounting hazards. i.e. 3 points of contact and do not jump from ladder
Remain approximately 60 feet from face area (2 shot back)
Inspect face for misfire caps Priority 2
Check for expose lead lines of caps (green line) Priority 2
Post area with blasting sign if a misfire is found Priority 2
Notify supervisor and any other workers in area immediately when a misfire is found. Priority 2
Back scaler out of face, approximately 150 feet. Priority 2
Never attempt to remove a misfire cap unless trained
Inspect ceiling for abnormally large scales
Notify supervisor if scaler determines that the scale could cause potential equipment damage and/or endanger operator.
Inspect for uneven floor
Uneven floor will affect the stability of scaler
Use caution when this condition exist
Tram to center of room approximately 60 feet from face in preparation for scaling
5. Scale ceiling (A)
Begin scaling on the left side of ceiling scaling to the right side (clock wise)
Stop machine at desired location
Release tram pedal to set digger brakes
Set park brakes
Set park brakes if condition warrants: incline or decline
Pull up on park brake knob to set brakes
Raise boom to working height
Swing boom clock wise inspecting ceiling around scaler
If scale is observed, remove the scale
Position boom over left front tire by continuing to swing in a clockwise motion
Follow boom radius chart
Push right joy stick right to swing right
Swinging left with boom lowered, creates a blind spot
Curl pick up by pushing the left joy stick to the left
Extend boom to area to be scaled by pushing right joy stick forward
Curl pick down when contact is made with ceiling by pulling left joy stick to the right.
This should create an approximate half inch impression in salt
Maneuver boom by rotating it if necessary to aid in knocking scales down and to see the tip of pick
Push right joystick toggle switch left or right to rotate boom
Instructor needs to explain functions of boom roll
Extend boom while curling pick down and lowering boom (simultaneously)
This will create a scraping action across the ceiling knocking down the scales
Extend boom by pushing right joy stick forward
Curl pick by pulling left joy stick to the right
Lower boom by pushing left joy stick forward
Boom should never be extended beyond half the telescoping range (approximately 23 feet)
This prevents unnecessary stress on the equipment and long term break downs
Retract boom while curling pick up and raising boom (simultaneously)
Retract boom by pulling right joy stick back
Curl pick up by pushing left joy stick to the left
Raise boom by pulling left joy stick back
Swing boom right approximately 6 to 12 inches and repeat scraping process throughout swing radius (to the right tire)
Refer to boom radius chart
Assure boom radius area is completely scaled
Reset to next setup
Release park brakes if applied
Tram forward to desired location (approximately 23 feet)
Set park brakes if needed
Repeat ceiling scaling process
Repeat process until all loose scale has been removed from ceiling in position A
6. Scale face (A)
Retract boom completely
Tram forward toward face (stopping approximately 5 feet from face)
Set park brakes if needed
Extend boom to the point where ceiling and face meets
Extend boom to area to be scaled by pushing right joy stick forward
Curl pick up
Curl pick up by pushing the left joy stick to the left
Scale face by curling pick in a downward motion until pick breaks contact with face
Curl pick down by pulling the left joystick to the right
This should create an approximate half inch impression in salt
Maneuver boom by rotating it if necessary to aid in knocking scales down and to see the tip of the pick
Push right joystick toggle switch left or right to rotate boom
Instructor needs to explain functions of boom roll
Swing boom to the right approximately 6 to 12 inches
See boom radius chart
Assure boom radius area is completely scaled
Repeat the process from ceiling to floor within boom radius
Raise the boom to desired height
Release park brakes if applied
Ensure there no obstacle in travel way of scaler by rotating cab to right
Back away from face
Depress the base (heel) of the tram pedal fully
Tram approximately 80 feet from the scale portion of the face
Reposition to scale ceiling and rib of right side of room (B)
Steer scaler to right side of room on an angle
See scaling diagram
Set park brakes if needed