Related Manuals for MSA Firehawk 10043892
Summary of Contents for MSA Firehawk 10043892
- Page 1 Firehawk Second ® Stage Regulator M INTEN NCE ND REP IR TAL 113 (L) Rev. 8 © MSA 2011 Prnt. Spec. 10000005389 (I) Mat. 10051134 Doc. 10000017842...
- Page 2 Firehawk C RN Mask Mounted Regulator Regulator Assembly Component • • • • • • • • • • • • • • • • • • • • • • • • Diaphragm, CBRN 10039172 • • • • • • • • U-Clip 10018547 (purge cover...
- Page 3 Firehawk Mask Mounted Regulator Regulator Assembly Component • • • • • • • • • • • • • • • • • • • • • • • • Diaphragm, Silicone 10018540 • • • • • • • • U-Clip 10018547 (purge cover...
- Page 4 FIREHAWK SECOND STAGE REGULATOR DISASSEMBLY REMOVING THE REGULATOR COVER, SPRING, AND REMOVING THE DIAPHRAGM SPRING RETAINER 1. Roll the diaphragm edges out of the regulator housing groove. 2. Slide the diaphragm away from the red bypass hand- 1. Press and hold the wheel and slide the diaphragm off the valve fork.
- Page 5 FIREHAWK SECOND STAGE REGULATOR DISASSEMBLY DISASSEMBLING THE BYPASS AND HOSE W/SWIVEL 1. Remove the regulator cover, spring, and spring retainer. Note: DO NOT REMOVE THE DIAPHRAGM (option) 7. Remove the hose assembly o-ring. Be careful not to scratch the o-ring groove. 2.
- Page 6 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY Note: There are two different valve assemblies used in Firehawk regulators. The correct gauge must be used for the valve assembly part number being inspected. Use the picture below to identify the correct gauge for the valve part number being inspected.
- Page 7 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY be turned unless the ribs on the wheel are free from 5. Turn the valve counter-clockwise to unthread the engaging the locking tab. bypass insert from the valve. 2. Turn the adjustment wheel clockwise to lower the fork. 3.
- Page 8 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY REASSEMBLING THE DIAPHRAGM WARNING Double check proper engagement by pulling on regu- lator cover to ensure that the regulator cover is securely attached to the regulator housing. Failure to follow this warning can result in serious personal 1.
- Page 9 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY 2. Attach last coil of spring over the cover’s hooks 4. Push the regulator cover, spring, and spring retainer on the regulator housing. CAUTION a. Holding the spring centered in the solid Pull on the regulator cover to be sure the regulator cover with finger, cover and regulator housing are secure.
- Page 10 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY 2. Push the valve into the regulator housing. 7. Slide the u-clip through the bypass body. The u-clip should slide through the bypass 3. Insert the bypass insert body freely. into the bypass port -- slot facing out.
- Page 11 FIREHAWK SECOND STAGE REGULATOR REASSEMBLY 3. Install the spring. Align the buttons. 4. Push firmly on the buttons. Install the post o-ring on the inside of the regulator housing. 5. Double-check proper engagement by pulling on the buttons to ensure that they are securely attached to the regulator.
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