TM 5-4310-451-14 Table 4-1.  Unit Preventive Maintenance Checks and Services (PMCS) (Con’t). Q-QUARTERLY S-SEMIANNUAL A-ANNUAL H-HOURLY Item Interval Item to be No. Q S A H Inspected Procedure 4 • SPRINGS Check springs for broken or damaged leaves.  Check for loose or twisted U-bolts or other signs of obvious damage. 5 • HANDBRAKE Inspect handbrake lever and linkage to ensure proper operation and adjustment. 6 200 FUEL FILTERS Change fuel filters (see paragraph 4-34 and 4-35). 7 • RADIATOR Check radiator for dirt or debris covering cooling fins. 8 • FUEL SYSTEM Check fuel system to include pumps, hoses, fittings, and tank for leaks or loose connections. 9 • BATTERY WARNING Remove all  jewelry  such  as  dog  tags,  rings, bracelets,  etc.    If  Jewelry  or  disconnected battery     ground     cable     contacts     battery terminal, a direct short will result.  Failure to follow  proper  disconnection  procedures  will result in serious injury or death to personnel or equipment damage. Battery      acid      (electrolyte)      is      extremely dangerous.  Always wear goggles and rubber gloves  when  performing  battery  checks  or inspections.  Serious injury to personnel will result if battery acid contacts skin or eyes. DO  NOT  perform  battery  system  checks  or inspections    while    smoking    or    near    fire, flames,  or  sparks.    Batteries  may  explode, causing serious injury or death to personnel. Batteries    generate    hydrogen,      a    highly explosive   gas.      To   prevent   sparks   from igniting   battery   gases,   DO   NOT   connect negative   (-)   Jumper   cable   to   negative   (-) terminal  on  weak  battery.    Failure  to  follow this  warning  may  result  in  serious  injury  or death to personnel. Test battery for specific gravity.  Inspect cables and clamps for corrosion and tightness. 10 • GENERATOR AND Inspect generator and starter mounting hardware. STARTER 4-5