Maintenance manual
MSA, Châtillon sur Chalaronne • Tél. +33 (0)474 55 01 55 •
E-mail [email protected]
15
GENERAL INFORMATION
This section concerns the tests and inspections required to determine the condition of
any units withdrawn from service.Dispose of any defective parts. All defective parts
should be disposed of and replaced with new parts from MSA only.
All tests should be carried out on clean parts (see section on cleaning).
Inspection, testing and maintenance table
:
Basic checks*
Pre-flight
Visor cleanliness and operation
yes
Presence and secure attachment of comfort elements (comfort liner,
neck pad, edge roll)
yes
Condition of chinstrap and attachment points, operation of buckle
Operation of the chinstrap lever and condition of the strap
yes
Communication system test
yes
General condition of helmet
yes
Shell (no cracks, no dents, aramid and carbon not visible, screws and
inserts in their housings)
yes
Periodic checks*
frequency
Shell condition: particularly adhesion of chinstrap mounts, slight
impacts due to normal use
3 months
Condition of impact cap and rim: in particular adhesion of impact
cap to rim
3 months
Attachment of impact cap to shell
3 months
Inner visor condition and operation
3 months
Inner visor attachment
3 months
Condition of inner liner elements and ear cups
3 months
Operation of communication system (with inspection of cable condition) 3 months
Operation of chinstrap locking system
3 months
Condition of chinstrap and fastening buckle
3 months
Condition of the chinstrap strap
3 months
Check that all screws are tight
3 months
Check the play of moving sub-assemblies during operation
3 months
Condition of comfort liner pads
3 months
Cleaning (in accordance with the instructions given in the user manual) 3 months
Recommended replacement of main parts*
frequency
Inner visor
5 years
Edge roll
2 years
Comfort liner and neck pad
2 years
Chinstrap attachment assembly
2 years
Chinstrap
2 years
Comfort ear seals
2 years
LH 050 chinstrap assembly
2 years
Impact cap
15 years
Shell
15 years
*: based on normal use of 200 hours per year and depending on the condition of
the part.