Download MICE Hall PPS – User's Guide

away from the button, while pushing in the button and simultaneously reinserting the tang. Again the button will sit out further from the casing.
Figure 4.2.2: PPS “Crash-out” button mechanism with reset tab indicated
(left); depressed (centre), and released (right).
Note that the tang can be replaced into the button mechanism either way
up, but the lock will only operate with it in one orientation. If unsure, it is
easiest to try “locking” the loose tang on to the door to make sure it is the
correct way up, before replacing it into the frame (fig. 4.2.3).
Figure 4.2.3: PPS “Crash-Out” removable tang.
Confirm everything is in place by trying to pull out the tang by hand – it
should be held firmly by the button mechanism.
4.2.7.
External Doors
Before the Hall can be searched, the outside doors must be locked to prevent
unauthorised entry. “Hall Closed” signs should also be posted at the doors
(and taken down after the Hall is re-opened).
MICE PPS User Guide v.1.1
2nd October 2013
Page 13