Brake assembly uninstall procedure
| title | Brake Removal ( Carousel ) | LCA-xxxxxx | |
|---|---|---|---|
 | Traveler for intervention on The Filter Exchange System & Filter Exchange system parts | Approval Status | DRAFT |
| Rev. | Revision Description | LCN# | Date |
| A | Initial release, D.Laporte | 09-Apr-20 | |
| A.2 | Updated to word + new comments, P.Antilogus | 22-Apr-20 |
| Camera Doc ID | Atrium Doc ID | Validated By | Validation Date |
|---|---|---|---|
| LCA-xxxxx | xxxxxxx |
| Initials: | Date: | ||
|---|---|---|---|
| Traveler initiated: | |||
| Traveler Closed Out: |
| Part Serial Number: | Removed Break Part Nb. |
| Index Key | Value |
|---|---|
| Subsystem | Carousel |
| Operation Type | On Camera Maintenance |
| System&Action | Driving Components |
| Operation Name | Brake assembly Uninstall Procedure |
| Operation Time | \~1h |
| Operation Description | The Carousel Brake(s) can be removed from the back flange if needed. |
| Triggered by Maintenance | A carousel brakes have an expected lifetime above the requested lifetime of the camera. So it should not need replacement. Still it mays have to be removed for regular lubrication of the ring gear. |
| Triggered by Monitoring Analysis | Monitoring of the carousel operation may indicate issues with break(s). A visual inspection or replacement could then be decided. ( To be further specified ) . |
| Triggered by Incident recovery | Following an earthquake event a visual inspection of the break teeths, and the carousel gear teeths, will request break(s) removal. Other un-expected – not yet identified - event may request a break removal or replacement. |
| Traveler Steps | |||
|---|---|---|---|
| 10 | WARNINGS (Personnel Safety Hazards / PPE) | ||
| 20 | CAUTIONS (Equipment Damage Hazards) | ||
| 20,10 | Do no pull on cables to prevent even small tension loads from overloading single wires and breaking them | ||
| 20,20 | Be careful to not drop/spread grease: Brake teeths will have grease | ||
| 30 | Applicable Documents and Drawings | Ref./link | Type |
| 30,10 | Mobile Carousel Assembly | LCA-12500 | Drawing |
| 30,20 | Brake Assembly | OSNLT712 | Drawing |
| 40 | Tools Required | Ref. | Quantity |
| 40,10 | Hexagonal key n04 | 1 | |
| 40,20 | Hexagonal key n06 | 1 | |
| Remarque : dans la photo il y a une 3 ieme clef ? | |||
| 50 | Parts, Materials, and Consumables | Ref. | Quantity |
| 50,10 |
Carousel breaks & motor handles | LCA-xxxx | 2 |
| 60 | Useful Comments & Remarks | ||
| 60,10 | When unpowered the brakes are locked, preventing carousel rotation. Removing a single break from the carousel, leaving the two other in place , will still grant that the carousel , even unbalanced, will not move. | ||
| 100 | Screw handles on brake support | Initials | Date |
|---|---|---|---|
| 100,10 | There is 3 breaks on the carousel ( Bay X,Y,Z) , the location of the bay associated to the break to remove should be first identified. | ||
| 100,20 | The bay protection panel should be removed | ||
| 100,30 |  | ||
| The 2 breaks & motor handles should be put in place on the brake frame, to have an easy way to handle a brake once it will be unscrewed from the back flange. | |||
| 200 | disconnect brake sensor | Initials | Date |
| 200,10 |   | ||
| To disconnect the brake sensor will request to access/open the neighbor bay | |||
| 300 | remove backflange parts x2 , with 2 screws each | Initials | Date |
| 300,10 |  | ||
| 400 | Unscrew M6X30 (x4) | Initials | Date |
|---|---|---|---|
| 400,10 |  | ||
| 500 | lift the brake with the handles | Initials | Date |
| 500,10 |
As you lift out the break with the handles, be careful to not spread grease all over the place (grease is on the gear side) , and avoid the back flange wires on the way out . | ||
| 9999 | End Of Traveler | Initials | Date |
|---|---|---|---|
| 9999,10 | Work complete | ||