Maintenance
28
AVL 415SE Smoke Meter — Maintenance Guide
2.3.7
Clamping Lever and Ratchet Clip
The bearings of the clamping lever itself and of the paper transport shaft
must not be worn.
The flexible transport roll on the paper transport axis of the ratchet clip must
not be damaged.
The foam block must be elastic and the white value plate must press flat
against the entire surface of the reflectometer head face when the clamp is
closed.
1. Check the surface of the white value plate:
The surface has to be clean and must not be scratched.
2. Clean with a soft, wet cloth if necessary or replace white value plate.
3. Check the performance of the ratchet clip rolls: the surfaces must be clean,
lubricated and the surface shall look as polished - no scratches, cuts, nuts…
are allowed (see Fig. 16 on page 28).
4. Otherwise clean all parts of the ratchet clip, replace the ratchet clip rolls,
lubricate all moved parts.
1 .... Clamping lever
2 .... Ratchet clip
Fig. 15 View of the clamping lever
o
Fig. 16 Ratchet clip rolls
NOTICE
Never lubricate the elastomer part on the transport roll.
Remark: a complete exchange of the rachet clip is recommended.
Never clean the elastometer part of the transport roll in an ultrasonic bath.
This part can not be cleaned but only replaced.
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