Windshield wiper assembly
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(→Failure Modes and Effects Analysis) |
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! Item and Function !! Failure Mode !! Effects of Failure !! S !! Causes of Failure !! O !! Design Controls !! D !! RPN !! Recommended Actions !! Responsibility !! Comments | ! Item and Function !! Failure Mode !! Effects of Failure !! S !! Causes of Failure !! O !! Design Controls !! D !! RPN !! Recommended Actions !! Responsibility !! Comments | ||
|- | |- | ||
- | ! | + | ! Motor Connection Link |
- | | | + | *Rigid bar that transmits rotational power from the motor to Link LN3 |
+ | | Loose connection || Little or no mechanical power transmitted to Link LN3 | ||
|- | |- | ||
- | ! | + | ! Rubber Connections |
- | | | + | *Attaches to connection links |
+ | | Corrosion || Doesn't connect other links and fails to transmit power to links | ||
+ | |- | ||
+ | ! Rubber Thermal Mount | ||
+ | *Protects "Rigid Subassembly" and allows for mounting | ||
+ | | Corrosion || Does not mount properly in car; Fails to rotate the wiper arm | ||
+ | |- | ||
+ | ! Hose | ||
+ | *Transmits wiper fluid | ||
+ | | Holes || Cause wiper fluid to leak and not reach the nozzle | ||
+ | |- | ||
+ | ! Nozzle | ||
+ | *Sprays wiper fluid | ||
+ | | Chipping or breaking || Will not spray the wiper fluid onto the window | ||
+ | |- | ||
+ | ! Spring Connector | ||
+ | *Ensures that spring is in place | ||
+ | | Chipping or breaking || Does not secure spring thereby letting the wiper arms move away from the windshield | ||
|} | |} |
Revision as of 14:21, 23 September 2007
Failure Modes and Effects Analysis
Item and Function | Failure Mode | Effects of Failure | S | Causes of Failure | O | Design Controls | D | RPN | Recommended Actions | Responsibility | Comments |
---|---|---|---|---|---|---|---|---|---|---|---|
Motor Connection Link
| Loose connection | Little or no mechanical power transmitted to Link LN3 | |||||||||
Rubber Connections
| Corrosion | Doesn't connect other links and fails to transmit power to links | |||||||||
Rubber Thermal Mount
| Corrosion | Does not mount properly in car; Fails to rotate the wiper arm | |||||||||
Hose
| Holes | Cause wiper fluid to leak and not reach the nozzle | |||||||||
Nozzle
| Chipping or breaking | Will not spray the wiper fluid onto the window | |||||||||
Spring Connector
| Chipping or breaking | Does not secure spring thereby letting the wiper arms move away from the windshield |