Windshield wiper assembly
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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 | *Rigid bar that transmits rotational power from the motor to Link LN3 | ||
| Loose connection || Little or no mechanical power transmitted to Link LN3 | | Loose connection || Little or no mechanical power transmitted to Link LN3 | ||
|- | |- | ||
| - | + | | '''Rubber Connections''' | |
*Attaches to connection links | *Attaches to connection links | ||
| Corrosion || Doesn't connect other links and fails to transmit power to links | | Corrosion || Doesn't connect other links and fails to transmit power to links | ||
|- | |- | ||
| - | + | | '''Rubber Thermal Mount''' | |
*Protects "Rigid Subassembly" and allows for mounting | *Protects "Rigid Subassembly" and allows for mounting | ||
| Corrosion || Does not mount properly in car; Fails to rotate the wiper arm | | Corrosion || Does not mount properly in car; Fails to rotate the wiper arm | ||
|- | |- | ||
| - | + | | '''Hose''' | |
*Transmits wiper fluid | *Transmits wiper fluid | ||
| Holes || Cause wiper fluid to leak and not reach the nozzle | | Holes || Cause wiper fluid to leak and not reach the nozzle | ||
|- | |- | ||
| - | + | | '''Nozzle''' | |
*Sprays wiper fluid | *Sprays wiper fluid | ||
| Chipping or breaking || Will not spray the wiper fluid onto the window | | Chipping or breaking || Will not spray the wiper fluid onto the window | ||
|- | |- | ||
| - | + | | '''Spring Connector''' | |
| - | *Ensures that spring | + | *Ensures that spring stays in place |
| Chipping or breaking || Does not secure spring thereby letting the wiper arms move away from the windshield | | Chipping or breaking || Does not secure spring thereby letting the wiper arms move away from the windshield | ||
|} | |} | ||
Revision as of 14:28, 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 |
