Figure 4-26 Manifold, removal.b. Cleaning and Inspection.(1) Clean and dry the manifold throughly.(2) Inspect the manifold for cracks, breaks,distortion, defective threads, and for other damage.Section XIV. TANKS4-40. Cleaning Tanks and Componentsa. General. The tank and tank components mustbe cleaned before any repair is initiated. Each timea m a j o r c o m p o n e n t i s r e m o v e d f o r r e p a i r , i n-spection,or other service,a l l p a r t s m u s t bethoroughly cleaned. Clean the discharge valve eachtime the tank is drained. Clean the tank interiorand exterior prior to repair.b. Components. Clean metal parts with cleaningsolvent. Federal Specification P-D-680. Immerse(3) Inspect for worn or broken gasket.(4) Replace defective parts.c. Installation. Refer to figure 4-26 and installthe manifold in reverse order of removal.AND COMPONENTSeach part in solvent and remove contaminants bybrushing. Allow parts to dry thoroughly. Coat partswith a thin film of light lubricating oil or per-servative oil before assembly.4-41. Manhole Assemblya. Vent Assembly. The manhole cover assembly(7, fig. 4-27) is provided with a vent assembly (6)located in the cover.4-38
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