G.R.A.S. 45CA User Manual

G.R.A.S. SOUND & VIBRATION
Page 11
Hearing-Protector Test Fixture Type 45CA
3.Passtheamplier’sLEMOplugendthroughthesideofthehead(g.4.4)untilitdrops 
through the tube (Fig. 4.5).
Fig. 4.4 Fig. 4.5
4. Pull the cable through until there is just a manageable amount sticking out of the side of the
head (Fig. 4.6).
5. On top of the neck, slide the cable into the inner slot hole of the rubber pad on top (Fig. 4.7).
Fig. 4.6 Fig. 4.7
6. Push the two Foam Plugs GR1281 into the cable guide right underneath the rubber pad,
one plug on top of the other, while keeping the cable behind the plugs (Fig 4.8).
7. If required for meeting your requirements for acoustic isolation, apply Grease MI0016
to seal leakage points (Fig. 4.9).
Fig. 4.8 Fig. 4.9
2 x Foam Plugs
(GR1281) in their
uppermost positions
Cable in inner
slot hole of the
rubber pad
Apply Grease
MI0016
Cable behind Foam Plugs

G.R.A.S. 45CA Specifications

General

Brand	G.R.A.S.
Model	45CA
Category	Protection Device
Language	English