TM 9-2330-390-14&P4-8. WORK SAFETY (Con’t).(c)Shut down engine (see paragraph 2-20).(d)Crack line to control hydraulic fluid spills.(5)Before performing maintenance on engine:(a)Shut down engine and set starter switch to OFF position (see paragraph 2-20).(b)If working on fuel or electrical components, disconnect battery negative (-) ground cable (seeparagraph 4-45).(c)DO NOT smoke when working with fuel system.(d)Allow engine to cool, unless otherwise specified.4-9.CLEANING INSTRUCTIONS.Improper cleaning methods and use of unauthorized cleaning liquids or solvents caninjure personnel and damage equipment. To prevent this, refer to TM 9-247 for furtherinstructions.a.General.Cleaning instructions will be the same for the majority of pans and components which make upthe dolly set. The following applies to all cleaning operations:(1)Clean all parts before inspection, after repair, and before assembly.(2)Keep hands free of grease which can collect dust, dirt, and grit.(3)After cleaning, all pans should be covered or wrapped to protect them from dust and dirt. Parts thatare subject to rust should be lightly oiled after cleaning (see paragraph 4-10).b. SteamCleaning.DO NOT direct water or steam, under pressure, against unsealed electrical systemsor any exterior opening. Failure to follow this caution may result in damage toequipment.(1)Before steam cleaning the doily set, protect ail electrical equipment which could be damaged bysteam or moisture.4-6
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