Teledyne First Responder CG User Handbook Manual page 59

Dust Filter (Accessory)
To replace the Dust Filter in the Dust Filter assembly, proceed
as follows:
1. Unscrew the filter assembly (Fig. 5-7).
Dust Filter Housing
Assembly
2. Remove Dust Filter, then discard.
3. Check Filter assembly Probe Washer for signs of
damage or wear and replace if necessary.
4. Fit new Dust Filter.
5. Reassemble the Filter assembly.
Fig. 5-7 Dust Filter Assembly
OPERATOR MAINTENANCE
Dust Filter
Probe Washer
5-7