Ceiling-mounted bicycle lift FMEA
From DDL Wiki
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<sup>*</sup>The Resulting RPN was calculated as an estimate. | <sup>*</sup>The Resulting RPN was calculated as an estimate. | ||
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+ | Return to [[Ceiling-mounted bicycle lift]] main page. |
Revision as of 00:14, 28 February 2007
Item & Function | Failure Mode | Effects of Failure | S | Causes of Failure | O | Design Controls | D | RPN | Recomended Actions | Responsibility & Deadlines | Actions Taken | S* | O* | D* | RPN* |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nylon Rope
| Fractured | Inoperative | 9 |
| 1 |
| 2 | 18 | Testing | Quality Control | - | 9 | 1 | 1 | 9 |
Deformed | Operation impaired | 7 |
| 5 |
| 1 | 35 | Emphasis in manual | Manual author | - | 7 | 2 | 1 | 14 | |
Poor appearance | 3 |
| 6 |
| 2 | 36 | Emphasis in manual | Manual author | - | 3 | 3 | 2 | 18 | ||
Latch
| Slipping | Intermittent operation | 9 | Defective latch | 1 | Rope Tie | 2 | 18 | Testing | Quality control | - | 9 | 1 | 1 | 9 |
Erratic operation | 8 | Improper use | 7 | Rope tie | 4 | 224 | Emphasis in manual | Manual author | - | 8 | 4 | 4 | 128 | ||
Oxidized | Sticking | 6 | Poor Environment Protection | 2 | Material choice | 2 | 24 | - | - | - | 6 | 2 | 2 | 24 | |
Increased rope wear | 7 | Poor Environment Protection | 2 | Material choice | 2 | 28 | - | - | - | 7 | 2 | 2 | 28 | ||
Inoperative | 8 | Poor Environment Protection | 1 | Material choice | 1 | 8 | - | - | - | 8 | 1 | 1 | 8 | ||
Wood Screws
| Fractured | Inoperative | 9 |
| 1 |
| 2 | 18 | - | - | - | 9 | 1 | 2 | 18 |
Loosened | Unstable | 7 |
| 4 |
| 2 | 56 | Emphasis in manual | Manual author | - | 7 | 2 | 2 | 28 | |
Oxidized | Unstable | 7 | Poor Environment Protection | 2 | Material choice | 2 | 28 | - | - | - | 7 | 2 | 2 | 28 | |
Inoperative | 9 | Poor Environment Protection | 1 | Material choice | 1 | 9 | - | - | - | 9 | 1 | 1 | 9 | ||
Bolts
| Fractured | Inoperative | 9 |
| 1 |
| 2 | 18 | Testing | Quality control | - | 9 | 1 | 1 | 9 |
Loosened | Unstable | 7 |
| 2 |
| 2 | 28 | Maintenance Instructions | Manual author | - | 7 | 1 | 2 | 14 | |
Oxidized | Unstable | 7 | Poor Environment Protection | 2 | Material choice | 2 | 28 | - | - | - | 7 | 2 | 2 | 28 | |
Inoperative | 9 | Poor Environment Protection | 1 | Material choice | 1 | 9 | - | - | - | 9 | 1 | 1 | 9 | ||
Hooks
| Loosened | Operation impaired | 5 |
| 5 |
| 2 | 50 | Emphasis in manual | Manual author | - | 5 | 2 | 2 | 20 |
Pulleys
| Jammed | Inoperative | 8 |
| 1 |
| 3 | 24 | Emphasis in manual | Manual author | - | 8 | 1 | 3 | 24 |
Sticking | Operation impaired | 4 | Insufficient Lubrication Capability | 2 | Material choice | 3 | 24 | - | - | - | 4 | 2 | 3 | 24 | |
Cracked | Erratic Operation | 7 | Defective | 1 | Inspection | 2 | 14 | Testing | Quality Control | - | 7 | 1 | 1 | 7 | |
Ceiling Brackets
| Deformed | Operation impaired | 5 | Over-stress | 1 | Numerical evaluation | 2 | 10 | - | - | - | 5 | 1 | 2 | 10 |
Fractured | Inoperative | 9 | Over-stress | 1 | Numerical evaluation | 1 | 9 | - | - | - | 9 | 1 | 1 | 9 | |
Oxidized | Operation impaired | 6 | Poor Environment Protection | 2 | Material choice | 2 | 24 | - | - | - | 6 | 2 | 2 | 24 | |
Inoperative | 9 | Poor Environment Protection | 1 | Material choice | 1 | 9 | - | - | - | 9 | 1 | 1 | 9 | ||
Rope tie
| Oxidized | Operation impaired | 5 | Poor Environment Protection | 2 | Material choice | 2 | 20 | - | - | - | 5 | 2 | 2 | 20 |
Increased rope wear | 7 | Poor Environment Protection | 2 | Material choice | 2 | 28 | - | - | - | 7 | 2 | 2 | 28 |
*The Resulting RPN was calculated as an estimate.
Return to Ceiling-mounted bicycle lift main page.