[Illustration: FIGURE 35.8. (Added.) Cutaway view of socket and plug. Disassembly is permitted only as directed in paragraph 66.1.] (2) _Damaged plug._ Repair damaged or nicked end of plug by filing plug end square and smooth. File off as little as possible. Test for leakage at socket by installing pressure tank and valve assembly, as in c above, and then opening pressure-tank valve. If leak persists at joint between socket and plug, replace plug by unscrewing old plug, screwing new plug in position, and tightening with wrench. Replace entire plug. Do not attempt to unscrew the cylindrical portion from the square portion. =67. PRESSURE REGULATOR.= * * * * * _e. Maintenance_ (Added). (1) _Spring type (Hoke) pressure regulator._ Except for adjustment to increase or decrease pressure, do not attempt to maintain or repair the spring type (Hoke) pressure regulator. If damaged or defective, it must be replaced by a dome type (Grove) pressure regulator. (2) _Dome type (Grove) pressure regulator (B81-1-778)._ Replacement parts for maintaining the dome type (Grove) regulator are available for use by chemical maintenance companies, as shown in Army Service Forces Catalog CW 9-440114, List of All Service Parts and Higher Echelon Spare Parts for Flame Thrower, Portable, M2-2 (25 November 1944). =74. VALVE GRIP.= * * * * * _c. Installing valve grip._ (1) Place grip safety * * * right valve grip. (Fig. 48.) =Do not accidentally place the lower forward extension of the grip safety over the lower rear extension of the valve lever. If this overlapping occurs, the small projection at the bottom of the grip safety may be broken off.= Be sure the * * * of grip safety. * * * * * =77. SHIPMENT AND STORAGE.= * * * * * _c. Class of supply_ (Added). The portable flame thrower is a class IV supply item. =78. REFERENCES.= Reference pertaining to * * * flame throwers include: * * * * * TM 9-850 Cleaning, Preserving, Lubricating * * * the Ordnance Department =TM 3-377, Compressor, Air, Gasoline Engine-driven, 7CFM, M1 (For Charging Flame Throwers and Cylinders)= =TB CW 18, Kit, Fuel Filling, Flame Thrower, E6 (for filling mechanized and portable flame throwers)[A]= =TB CW 20, Cleaning Interiors of Compressed Gas Cylinders, Tanks, and Accessories[A]= =TB ENG 39, Safe Handling of Compressed Gases[A]= =ASF Catalog CW 7-440114, Organizational Spare Parts and Equipment: 1st and 2d Echelons: for Flame Thrower, Portable, M2-2 (25 November 1944)= =ASF Catalog CW 9-440114, List of all Service Parts and Higher Echelon Spare Parts for Flame Thrower, Portable, M2-2= =ASF Catalog CW 6-445115, Sets of Tools, Equipment, and Similar Material: Kit, Service, for Portable Flame Thrower, M2-2=