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Job Breakdown Sheets
Breakdown No. 25
Shifting a Face Conveyor
Belt Conveyor
1: Collect tools and materials required.
2: Examine the working place.
3: Check the new track.
4: Dismantle the conveyor.
5: Rebuild the conveyor in new track.
6: Tension the belt.
7: Examine completed work and collect tools.
1: Collect tools and materials required.
| (a) |
Collect hammer, pick, Sylvesters and chains, lifting jack and measuring rod.
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| (b) |
Collect belt repairing tackle and new length of belt if required.
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| (a) |
Make sure that the new track is clear of debris.
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| (b) |
See that the supports are correctly aligned so that the track is straight.
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| (c) |
Mark new conveyor line on roof using measuring rod.
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| (a) |
Run empty belt until joints in suitable position for uncoupling.
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| (b) |
Switch off power and remove cable, hanging cable or air hose in clean, dry place.
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| (c) |
Release the tension on the belt; uncouple belt at engine end, replace pin in coupling.
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| (d) |
Roll up top belt on conveyor into suitable lengths for easy handling. Place these against face.
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| (e) |
Remove intermediate sections and spill plates, placing any loose rollers in a safe place. Place sections and spill plates against goaf row of props of new track.
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| (f) |
Uncouple and roll up bottom belt.
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| (g) |
Remove staker props from engine end and Sylvesters from tension end.
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5: Rebuild the conveyor in new track.
| (a) |
Roll out and couple up bottom belt in new track.
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| (b) |
Using Sylvesters draw engine end until in required position for loading and under line marked on roof in new track.
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| (c) |
Couple bottom belt to short length left round driving drums.
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| (d) |
Move over stools into new track placing bottom rollers under the belt laid out along the new track.
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| (e) |
Build up intermediate sections. Attach special section to engine end, where provided, align sections with line marked on roof.
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| (f) |
Using Sylvesters draw tension end into correct position in new track.
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| (g) |
Couple bottom belt to short length left round return drum.
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| (h) |
Connect intermediate sections to tension end with telescopic pan if provided.
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| (i) |
Roll out and couple up top belt on intermediate structure.
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| (a) |
Stay down the engine end by placing stays from the engine to the roof.
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| (b) |
Set anchor props and fix Sylvesters between the props and the tension end: one each side.
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| (c) |
Operate the Sylvester levers and apply tension to the belt.
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7: Examine completed work and collect tools.
| (a) |
Check that the structure has been carefully aligned.
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| (b) |
Couple up the cable or air hose, switch on the power.
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| (c) |
See that the top belt runs on the top rollers, if not, pack up the sections.
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| (d) |
See that the belt rides within the sections, if not, pull over the conveyor or engine end until it does so.
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| (e) |
See that the stools do not rock about and that all rollers are free to rotate. Replace where necessary.
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| (f) |
Apply extra tension to the belt if required.
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| (g) |
Switch off the power after say 15 minutes. If all is in order collect tools and place where safe.
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