Lens Assembly Replacement
The lens assembly consists of a hard-coated polycarbonate lens.
1. Remove the nose cup assembly by grasping the nose cup below the inhalation valve and gently pulling up and away from lens assembly (Fig. 20).
2. Remove the valve cover by depressing bottom of cover with thumb and sliding cover up, parallel with lens (Fig. 18).
3. Remove exhalation valve assembly by turning counter-clockwise 1/4 turn and withdrawing from lens center port (Fig. 19).
4. Remove speaking diaphragm by turning counter clockwise 1/4 turn (Fig. 22).
5. Remove bayonet assemblies by rotating bayonet rings counter clockwise 1/4 turn (Fig. 23) and removing bayonets from the lens assembly (Fig. 24).
6. Remove the Phillips screw from frame. Pull the frame away from the faceseal (Fig. 27).
7. Remove faceseal from lens.
8. Place new lens and faceseal together aligning marks at top and bottom. Position frame, again aligning marks top and bottom. Install and securely
tighten screw. Make certain alignment marks are properly aligned top and bottom with all components (Fig. 28).
9. Install speaking diaphragm.
10. Install exhalation valve assembly.
11. Replace exhalation valve cover.
12. Replace bayonet assemblies.
13. Replace nose cup assembly (Fig. 21).
3M™ Ultimate FX Full Facepiece FF-400 Replacement Parts and Accessories
Number
Description
FF-401
Small
FF-402
Medium
FF-403
Large
Number
Description
FF-400-01
Head Harness Buckle
FF-400-02
Head Harness Button
FF-400-03
Lens Assembly
FF-400-04
Head Harness
FF-400-05
Frame Assembly w/ Screw
FF-400-06
Comfort Cradle
FF-400-07
Exhalation Valve Assembly
FF-400-08
Bayonet Assembly Inhalation Valve
FF-400-09
Exhalation Valve Cover (Standard)
FF-400-10
Exhalation Valve Cover (Solid)
FF-400-11
Nose Cup Assembly
FF-400-13
Speaking Diaphragm Assembly
FF-400-20
Spectacle Kit
7582
Inhalation Valve
7583 or 6583
3M™ Cool Flow™ Exhalation Valve
Number
Description
FF-400-15
Lens Cover
FF-400-17
Semi-Permanent Lens Cover
504
Respirator Cleaning Wipes
601
Quantitative Fit Test Adapter
Fig. 27
FF-400-01
FF-400-05
FF-400-11
FF-400-03
7582
7583
6583
FF-400-07
FF-400-09
FF-400-10
Requester: Farrel Allen
Creator:
deZinnia_25839
File Name: 25839-01 FF-400 Expld View_PSD.ai
12
Structure #: Illustration
Date:
07/16/19
This artwork has been created as requested by 3M. 3M is responsible for the artwork
(English)
Fig. 28
FF-400-04
FF-400-06
FF-400-02
FF-400-08
FF-400-13
Printed Colors – Front:
Scale:
1 Inch
Fig. 29