TM 5-4320-302-14 Component Acceptable Repairable Not Repairable Air cleaner and Clean.  Air flow not restricted. Dirty.  Loose.  Replace rain cap No leaks, no damage.  Clamps components. tight.  Mounting bands tight. Fasteners not stripped. Lube oil filter Clean.  Tight.  No leaks.  Fittings Dirty.  Loose.  Replace (cartridge) not stripped. filter cartridge. Oil lines, fittings, Clean.  Tight.  Fittings not Dirty.  Loose.  Replace. and front cover stripped.  No leaks. Batteries, cables, Clean.  No corrosion.  Cable ends Dirty.  Loose.  Replace battery box, and tight.  No leaks.  No physical components. cover damage.  Fasteners tight, not stripped. Fuel feed pump Clean.  No leaks.  Tight Dirty.  Loose. assembly Fuel filter Clean.  Tight.  No leaks.  Bracket Dirty.  Loose.  Replace (cartridge) mounting hardware tight, not filter cartridge. stripped.  Fittings not stripped. Exhaust primer Clean.  Heat discoloration.  Tight Dirty.  Loose.  Replace. assembly Fasteners not stripped.  Exhaust valve free.  Cock valve free. Exhaust silencer Heat discoloration.  No leaks.  No Loose.  Replace. and muffler guard holes.  Fasteners tight, not stripped. Exhaust elbow Heat discoloration.  No leaks.  No Loose.  Replace. and 1-1/2 inch holes.  Tight.  Fasteners tight, not nipple stripped. Fuel tank Clean.  No sediment.  No leaks. Dirty.  Loose.  Drain assembly Gage works.  Valve moves freely. sediment and flush. Mounting hardware tight, not Replace gage.  Replace stripped. valve.  Replace tank. Throttle cable Clean.  Moves freely through Dirty.  Loose.  Replace. assembly and range.  Mounting hardware primary cable tight. assembly Pump and bearing Clean.  Mounting hardware tight, Dirty.  Loose housing assembly not stripped.  Housing not and check valve cracked.  No leaks at parting sur- assembly faces.  Plugs tight, not stripped. Crankcase, valve Clean.  Tight.  No leaks at parting Dirty.  Loose. cover, and cylin- surfaces.  Threads not stripped. der head 4-48