TM 9-2330-390-14&P4-61. AIRBRAKE CHAMBER REPLACEMENT (Con't).4.Apply silicone compound to first three threads of housing assembly tube (3).5.Install airbrake chamber (5 or 7) on plunger housing (1) until it bottoms.NOTEIf after seating spanner nut, more than top two threads of spanner nut are visible,spider must be replaced (see paragraph 4-60).6.Tighten spanner nut (2). Ensure that threads (8) ontapered side of spanner nut seat in chamferedarea of plunger housing (1).7.Connect one or two hose assemblies (4) to air-brake chamber (5 or 7).Follow-onTasks:• Uncage brakes (rear doily) (see paragraph 4-56).• Close air reservoir draincock (see paragraph 3-6).• Connect Intervehicular air hoses (see paragraph 2-11).• Check for leaks (see paragraph 4-23).4-139
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