The shock mount set is not a part of the Engine Type Design. The mount has been tested and released by BRP-Rotax, but it is not certified. shock The correct function in conjunction with the entire system is the responsibility of the aircraft manufacturer. The certification of the shock mount set is the responsibility of the aircraft manufacturer and must be carried out jointly with the aircraft. In the course of continued development and our commitment to product improvement, a shock mount set has been introduced.
Material- cost and availability
Price and availability will be provided on request by ROTAX® Authorized Distributors or their independent Service Centers.
Company support information
Any possible support by BRP-Rotax will be provided on request by ROTAX® Authorized Distributors or their independent Service Centers
| Part no. | Description | Application |
| 860695 | Shock mount set (pos. 2, 3) | Engine suspension |
| 944240 | Cup washer | Engine suspension |
| 860690 | Shock mount | Engine suspension |
Distance tube/strut (1) is not supplied as part of the shock mount set. See the current version of the applicable engine Installation Manual (IM) Chapter 10-10-00 for detailed instructions.
Spare Parts - related information
Refer to the latest Illustrated Parts Catalog Manual (IPC) of the respective engine type. See also Chapter 2) Material information.
Operation - related information
See the instructions of continued airworthiness of the aircraft manufacturer.
Installation - related information
Refer to the latest Installation Manual (IM) of the respective engine type. The length of the distance tube/stru perform. To ensure optimum vibration isolation, perform vibration test as t (1) will affect how the shock mounts per Service Letter SL-912-010. The rubber shock mounts and all engine suspension components not in the scope of delivery must be ground run tested at the specified loads and tested for vibration behavior.
| Static | Dynamic | |
| K radial | 800 lbs/inch | 990 lbs/inch |
| K axial | 4100 lbs/inch | 5080 lbs/inch |
| Loss factor | 0.09 | |
| Radial | Axial | |
| Estimated limit load | 600 lbs | 1000 lbs |
| Estimated limit deflection | 0.035 inch | 0.025 inch |
| Snubbing | ± 0.25 inch |
See relevant Maintenance Manual (Line) for the respective engine type and its periodical maintenance information.
Test run
In case of uninstalled engines test run can be skipped as this is covered by the mandatory test run after installation. Conduct test run and perform leakage check. See Chapter 12-20-00 of the latest
Maintenance Manual Line for the respective engine type.