Crewsaver -
Servicing Manual: Crewsaver Crewfit 275 Lifejacket
Date: November 2016
Issue No: 14
Page
of 43
23
Fig 3.7 United Moulders Mk5 Operating Head
Starting in June 2010, Crewfit 275 lifejackets with Standard Auto heads will be fitted with the United
Moulders Mk5 Auto Head and Mk5i Capsule illustrated above. The serial numbers of these jackets
will be prefixed with the letter ‘L’. Should it be necessary to change the head or the capsule of these
jackets they must be replaced with the new items as shown above.
Supplies of the Crewsaver Mk5 Head and Capsule will continue to be available for fitting onto older
lifejackets.
The servicing procedures for the two heads are the same with the following exceptions:
1.
The top and bottom sealing ‘O’ rings are the same for both heads but the
cylinder ‘O’ ring seal on the Crewsaver Mk5 head is replaced by a cutter ‘O’ ring on the UM
Mk5 head.
2.
The green retaining clips are not interchangeable.
3.
It is particularly important to note that the two different Automatic Capsules are NOT
interchangeable.
R29965
R29965
3
Section
