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Firedome PX Helmet

Replacement Parts for PX Series Helmets

  1. Chin Strap - Using a Phillips head screwdriver, remove the four screws securing the chin strap blocks (Figure 2). Replace chin strap and reinstall screws.
  2. Faceshield Mounting Hardware - Remove faceshield as described above. Using a Phillips head screwdriver, remove the four screws securing the Delrin blocks. Install new mounting hardware. (Figure 2).
  3. Faceshield - Remove spring clip from each knob. Completely remove the tension know (handwheel) by faceshield washers to release faceshield. Reverse process to install new faceshield (Figure 2).
  4. Reflective Strips - Remove old reflective strips. Do not use solvents to remove. Install new reflective strips. (Parts diagram)
  5. Ear/Neck Protector - The ear/neck protector attaches to the inner shell of the helmet by three velcro strips. To remove the ear/neck protector, grip the helmet firmly in one hand. Firmly grip one end of the ear/neck protector with the other hand and pull down and away from the helmet. To replace, first fasten the ear/neck protector to the velcro strip at the back of the helmet, then fasten the side strips (Figure 3). Ensure the red flannel material on the ear/neck protector faces inward against the head.
  6. A. Crown Straps - Remove impact liner and inner shell as described in 6E. Remove keys from inner shell noting the position of straps and headband. Thread new crown straps into headband and install keys in inner shell (Parts Diagram). Make certain that crown straps are not twisted. Red thread on 6-point crown strap indicates side straps. Reinstall impact liner and inner shell into the outer shell and secure it with the chin strap blocks.
    B. Sure-Lock Ratchet Headband - Remove impact liner and disconnect crown straps from inner shell as described in 5. Remove old headband by firmly pulling the front portion of the headband toward the center of the helmet to release the tabs at the white posts. Repeat to remove the rear portion of the headband. Attach new headband by position the vertical adjustment tabs at the front and back of the headband on the white posts and snapping into place.
    C. Brow Pad - The brow pad is attached by velcro. To remove, simply pull from one end. To install new brow pad, wrap brown pad around headband with the foam pad facing the headband with the red fire resistant cotton flannel next to the forehead. Secure the velcro tabs at all points.
    D. Ratchet Height Adjuster - Remove old "U-shaped" adapter at the rear of the headband by pulling adapter toward the center of the helmet to release the tabs at white posts . Remove the adapter from the headband by twisting the key in the headband to align with the slot in the adapter. Replace the adapter with the new "U-shaped" adjuster and reinstall the rear portion of the adjuster to the white posts located in the rear of the inner shell.
    6E. Impact Liner and Inner Shell - Using a Phillips head screwdriver, remove the four screws securing the Elrin blocks (Figure2). Lift out the impact liner and inner crown assembly (Figure1). To install new assembly, reverse process. Arrow on inner crown assembly should point to back.


Figure 1

  WFR Part #

Description

1 294520132
294520134
R144-Nomex chin strap with quick release buckle, postman slide fastener, mounting hardware
R146-Nomex chin strap with quick release buckle, mounting hardware
2 294520146 R151-Faceshield mounting hardware kit
3 294520142
294520144
294520145
R325-6" polycarbonate faceshield, enhanced optics, hardware not included
R330-4" PPC faceshield, enhanced optics, hardware not included
R333-4" hard coated polycarbonate faceshield, enhanced optics, hardware not included
4 294520148 R533-Retro-reflective fluorescent adhesive
5 294520116
294520118
294520124
294530132
294520122
294520126
R721-Black Nomex ear/neck protector
R721YLW-Yellow Nomex ear/neck protector
R741-PBI/Kevlar ear/neck protector
R726-Black Nomex ear/neck protector w/throat strap
R726YLW-Yellow Nomex ear/neck protector w/throat strap
R746-PBI/Kevlar ear/neck protector w/throat strap
6 294520128
R920-Replacement inner crown system. Includes Prevex inner shell, Sure-Lock ratchet headband, brow pad, strap assembly, velcro strips
6 294520130
R940-Replacement inner crown system. Includes Prevex inner shell, Sure-Lock ratchet headband, brow pad, urethane impact liner, t point Nomex crown strap assembly, velcro strips
6A 294520138
294520140
R112-Nylon crown straps
R113-Nomex crown straps
6B 294520112 R625-Sure-Lock ratchet headband
6C 294533115 R630-Brow pad
6D 294520114 R628-Ratchet height adjuster
6E   Impact liner/inner shell-Not available individually

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