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.
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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.