Blatchford Echelon VAC Guide De L'utilisateur page 5

Vacuum System
Check Valve
The check valve retains
the vacuum created
in the socket. It must
be connected with the
direction arrow pointing
towards the ankle.
Vacuum system guidance
1. Unable to generate a vacuum
2. Unable to maintain a vacuum
Direction of flow
Ankle
Symptoms:
Auto-Expulsion
Valve
In-line
Filter
Check
Valve
Connector
Cause/Remedy
Vacuum tube(s) disconnected
Inspect and reconnect as necessary
Limited ankle movement due to footwear
a full range of movement is required
Vacuum tube(s) disconnected
Inspect and reconnect as necessary
Leakage at socket valve/barbs
Consult your practitioner
Check the integrity of the vacuum seal at the
socket/residuum interface
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938369S/5-0520