The cushioned drive coupling
Marbed 9873 is the part number of the standard design. It is suitable for both right and left rotation upto 600 Nm, indifferently.
The coupling can be splitted in two parts:
- the clamping side (9873-I)
- the backplate, to interface with the test bench flywheel
Currently, the available backplates allow the following applications
| Features | Part number | Application |
|---|---|---|
| Pair of eyelet accepting M10 bolts, on the diameter from 80 to 90 mm. | 9873 (complete assembly: 9873-I with backplate) | Test benches manufactured by Bosch. 9873 is similar to 1 686 401 028 and 1 686 401 029 |
| Pair of eyelet accepting M10 bolts. The external diameter is 110 mm |
9873-A | F130 test benches manufactured by Magasa. |
| Pair of holes accepting M12 bolts |
9873-R |
EPS 708 test benches manufactured by Bosch 9873-R is similar to 1 686 401 026 and 1 686 401 027 |
| Pair of holes accepting M14 bolts |
9873-R4 |
Test benches manufactured from several Chinese Companies. |
The ISO 4008-1:1980 standard
This International Standard defines only the requirements and characteristics of test benches necessary to ensure consistent results when an injection pump is tested to the manufacturer's test specification regardless of the origin of the test bench.
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