k. Crankcase Breather, Exhaust Muffler and Elbow, Fill and Drain Plugs.

Figure 4-21. Governor Controls Adjustment.

Figure 4-22. Crankcase Breather, Exhaust Muffler and Elbow, Fill and Drain Plugs, Removal and Installation.

TM-10-4930-204-13 Tank and Pump Unit Liquid Dispensing for Truck Mounting (United Manufacturing and Engineering Corp. Model Style 1) Manual
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TM 10-4930-204-13 k. Crankcase Breather, Exhaust Muffler and Elbow, Fill and Drain Plugs. (1) Removal. (a) Loosen coupling and disconnect muffler. (b) Refer to figure 4-22 and remove male coupling and exhaust elbow, crankcase breather, oil filler and oil drain plugs, by turning each item counterclockwise. (2) Cleaning and inspection. Drycleaning solvent normally has a flash point of either 100 or 138 degrees F, depending on the type being used, but may flash at much lower tem- peratures if contaminated with gasoline or jet fuel. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive heat. (a) Clean all parts with drycleaning solvent (item 1, App. F), and dry thoroughly. (b) Inspect all parts for cracks, breaks, and other damage. Replace defective parts. (c) Examine all threaded parts for damaged threads. Replace missing or damaged parts. (3) Installation. (a). Refer to figure 4-22 and position oil drain and oil filter plugs, -crankcase breather, and exhaust elbow and Install each item by turning clockwise. (b) Install muffler and tighten coupling. NOTE When installing muffler, gasket set must be in- stalled in this order: one copper, four asbestos and one copper gasket. Secure coupling half quick-disconnect levers with safety wire. 1. Cylinder Head. (1) Removal. (a) Remove spark plug (para 4-24e). coupling. 4-44

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