5-6.12. CRANKCASE.

TM-5-4310-393-14 Air Compressor Diesel Engine Driven 20 CFM 3200 PSI Model KA7-DA Manual
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TM 5-4310-393-14 5-6.12. CRANKCASE. This task covers: A. Inspect B. Install Tools: Materials/Parts: Shop Set, Automotive Field Diesel Fuel NSN 9140-00-286-5294 Maintenance, Basic Lubricating Oil 0-ring 50153800 & 40022000 Gasket 50001500 Equipment Conditions: Crankshaft Removed From Engine A. Inspect. 1. Disassembling the Crankcase for Inspection. a. Remove dipstick (Figure 5-52, Item 1) from crankcase (2). Remove and discard O ring (3). b. Remove cap screw (4). Remove and discard O-ring (5). c. Remove cylinder pin (6) d. Remove oil drain plug (7). Remove and discard gasket (8). 2. Cleaning and Inspecting the Parts. WARNING DEATH OR SERIOUS INJURY COULD OCCUR IF FUEL IS NOT HANDLED CAREFULLY. USE IN A WELL VENTILATED AREA AWAY FROM OPEN FLAME, ARCING EQUIPMENT, IGNITION SOURCES, HEATERS, OR EXCESSIVE HEAT. ENGINE MUST BE SHUT DOWN AND COOL BEFORE REFUELING. ALWAYS STORE FUEL IN PROPER, MARKED CONTAINERS. DO NOT SMOKE. WARNING DEATH OR SERIOUS INJURY COULD OCCUR IF COMPRESSED AIR IS DIRECTED AGAINST THE SKIN. DO NOT USE COMPRESSED AIR FOR CLEANING OR DRYING UNLESS THE PRESSURE HAS BEEN REDUCED TO 30 PSI (2.06 BAR) OR LESS. WHEN WORKING WITH COMPRESSED AIR ALWAYS USE CHIP GUARDS, EYE PROTECTION, AND OTHER PERSONAL EQUIPMENT. WARNING LIVE STEAM USED FOR CLEANING SHALL NOT EXCEED 100 PSI (6-9 BAR). USE GOGGLES OR FACE SHIELD FOR EYE PROTECTION. DO NOT DIRECT LIVE STEAM AGAINST SKIN. a. Clean crankcase thoroughly with live steam. Clean all exterior openings and surfaces. Be especially sure to clean oil passages to make sure they are clear. Use a small grid or large wire bristle brush where necessary to remove carbon or other deposits from openings and surfaces. Use diesel fuel as necessary to soften and remove carbon or hardened oil deposits. Dry with compressed air. 5-50

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