TM 9-2330-390-14&P4-60.SPIDER ASSEMBLY REPLACEMENT (Con’t).7.8.9.Thread spanner nut (2) onto housing assemblytube (1). DO NOT tighten spanner nut.Apply silicone compound to first three threads ofhousing assembly tube (1).Install airbrake chamber (4) on plunger housing(3) until it bottoms.NOTEIf after seating spanner nut, more than top twothreads of spanner nut are visible, spider mustbe replaced.10.Tighten spanner nut (2). Ensure that threads (20)on tapered side of spanner nut seat in chamferedarea of plunger housing (3).Follow-onTasks:• Install brakeshoes (see paragraph 4-57).• Install hub and brakedrum (see paragraph 4-75).• Connect air lines to airbrake chamber (see paragraph 4-72 or 4-73).• Perform major brake adjustment (see paragraph 4-58).• Uncage brakes (rear dolly) (see paragraph 4-56).4-135
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