TM 10-3930-659-20 6-42. BATTERY MAINTENANCE. This task covers: a. Removal c. Installation b. Service INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Battery disconnect switch in OFF position (see • Two locknuts TM 10-3930-659-10). •    Battery box cover removed (see paragraph 6-48). References: •    Battery cables disconnected (see paragraph 6-43). • TM 9-6140-200-14 •    TM 10-3930-659-10 Tools/Test Equipment: General Safety Instructions: •    General mechanic's tool kit (Item 44, Appendix F) • DO NOT perform battery system maintenance while smoking or near fire, flames, or sparks. WARNING •   Remove   all   Jewelry   such   as   rings,   dog   tags,   bracelets,   etc.      If   Jewelry contacts battery terminal, a direct short will result, causing Instant heating of Jewelry which will result In severe Injury to personnel. • Battery gases can explode.  DO NOT smoke or allow sparks or open flames near   batteries.      Wear   safety   glasses   or   goggles   when   checking   batteries. Failure   to   follow   this   warning   may   result   In   death   or   serious   Injury   to personnel. •  Sulfuric  acid  contained  In  batteries  can  cause  serious  burns.    If  battery corrosion  or  electrolyte  makes  contact  with  the  skin,  eyes,  or  clothing,  take Immediate action to stop burning effects.  Failure to follow these procedures may result in death or serious Injury to personnel. a.  Eyes.  Flush with cold water for no less than 15 minutes and seek medical attention immediately. b.    Skin.    Flush  with  large  amounts  of  cold  water  until  all  acid  is  removed. Seek medical attention as required. c.    Internal.    If  corrosion  or  electrolyte  is  Ingested,  drink  large  amounts  of water  or  milk.    Follow  with  milk  of  magnesia,  beaten  egg,  or  vegetable  oil. Seek medical attention Immediately. d.      Clothing/Equipment.      Wash   area   with   large   amounts   of   cold   water. Neutralize acid with baking soda or household ammonia. 6-148