(5) Item 56, Instruments. Before stopping engine, inspect instruments to see that indicator lights are still out. Stop engine. After 30 seconds, turn on switch to see that oil pressure and generator signal lights turn on. CAUTION: Be sure to turn off ignition switch after this test.
(6) Item 58, Glass. Clean rear view mirror, windshield, instrument, and light glass. Examine for secure mounting and breakage.
(7) Item 62, *Battery.
(a) Inspect battery carrier for good condition and secure mounting. Inspect electrolyte level (should be 5⁄16 inch above plates). Inspect for any signs of leakage of electrolyte indicating battery has been overfilled, poorly sealed, or damaged. CAUTION: Do not add water unless actually needed.
(b) Weekly. Clean dirt from top of battery, remove battery caps, bring electrolyte level to 5⁄16 inch above plates, using clean, drinkable water. Clean terminals or posts if corroded; be sure felt washers are on terminals and properly oiled; tighten terminal bolts cautiously, if loose. Clean and paint battery carrier if corroded.
(8) Item 63, *Accessories and Chain.
(a) Inspect carburetor, air cleaner, generator, and cut‐out relay for loose connections, mountings, or damage. Examine rear drive chain for broken rollers, broken link side plates, and broken or missing connecting link spring clips. Examine rear chain (final drive) for free up‐and‐down movement (slack) midway between sprockets; maximum total allowable deflection is 1 inch, minimum, ½ inch.
(b) Weekly. Tighten any accessory connections found loose. Wipe excess dirt from rear chain. Check front chain for adjustment, and inspect for proper lubrication.
(9) Item 65, *Air Cleaner.
(a) Examine oil cup for excessive dirt and correct oil level. If air cleaner is excessively dirty, clean elements in dry‐cleaning solvent, refill cup with fresh oil. Dip elements in oil in oil cup, replacing elements and attaching oil cup immediately. If gaskets are damaged, replace. Under extremely dusty or sandy conditions it may be necessary to clean and refill the air cleaner more than once daily. Inspect hose for leaks.