TM 5-3895-373-20 SECTION III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) Para Page Cleaning Agents .................................................................................................................... 2.6 2-7 Fluid Leakage........................................................................................................................ 2.8 2-7 General ................................................................................................................................. 2.5 2-6 PMCS Procedures................................................................................................................. 2.9 2-8 Preservatives and Lubricants ................................................................................................ 2.7 2-7 2.5. GENERAL. Preventive  Maintenance  Checks  and  Services  (PMCS) means   systematic   caring,   inspecting,   and   servicing   of equipment.   This    will    keep    it    in    good    condition    and prevent  breakdowns.  As  a  paving   machine   mechanic, your mission is to: a.    Be    sure    to    perform    your    PMCS    at    the scheduled  time.    Always  do  your  PMCS   in   the   same order,   so   it    becomes    a    habit.    With    some    practice, anything wrong is quickly spotted. b. Do your PMCS at its scheduled interval. c.  Check  to  see  if  items  are  in  good  condition, properly  assembled  or  stowed,  properly  lubricated,  and not loose or excessively worn. (1) Checking that  items  are  in  good  condition  is usually  a  visual  check  to  see  if  the  items  are  safe  and usable.   Good   condition    means    not    bent    or    twisted, chafed   or   burred,   broken   or   cracked,   bare   or   frayed, dented or collapsed, torn or cut, rusted or rotted, and not leaking. (2)  Checking  that  items  are  properly  assembled or stowed usually is a visual inspection. See if the items are in normal positions on the vehicle, and if all parts are present. (3) Excessively worn means worn beyond usable limits    and    likely    to    fail    before    the    next    scheduled inspection.   This   includes   too   much   play   (lash   or   lost motion)   in   linkages   and   mating   parts.   This   includes unreadable markings, data and caution plates, and other printed matter. (4) Check welds for loose or chipped paint, rust, or gaps where parts mate together. d.  The  specific   PMCS   procedures   do   not   say "adjust   if   necessary"   or   "replace   if   necessary".   It   is understood that whenever inspection shows the need for adjustments,  repairs,  or  replacements,  that  appropriate work will be done. e. Steel nameplates, caution plates, and instruction plates may rust rapidly. Clean rusty plates well and coat heavily with clear lacquer. Refer to TM 43-0139. f.   General   precautions   for   cleaning   are   in   the maintenance sections. g.    The    vehicle    operator    normally    helps    the organizational maintenance personnel perform the PMCS.   The   operator   should   make   sure    the    paving machine is fairly clean. Do not wash the paving machine immediately before doing PMCS. h. The only organizational maintenance services are    those    general    procedures    listed    below,    unless approval is given for other service. (1) Adjust. Make all adjustments by following the procedures given in this manual or in bulletins. (2)  Clean.  Clean  items  by  following  the  general cleaning procedures given in paragraph 2.6. (3)  Service.  Normally,  service  includes  draining and refilling items with oil, and changing or cleaning the oil filter, air cleaner, or cartridges. (4) Tighten. Tighten items  with  enough  force  on the     wrench     handle     to     tighten     according     to     good mechanical  practice.  Do  not  over-tighten;  this  may  strip threads   or   cause   distortion.   Tightening   includes   using lockwashers,  lock  nuts,  lock  wire,  or  cotter  pins  when needed. Use a torque  wrench  when  the  procedure  calls for one. (5) Modification work order application.  Write  all needed  modification  work  orders  (MWO)  for  the  vehicle on DA Form 2408-5. i.    When    it    is    hard    to    do    all    of    the    PMCS procedures at one time, they can sometimes be done in parts. If possible, plan to do all the procedures within one week. j. Use DA Form 2404 (Equipment Inspection and Maintenance  Worksheet)  to  record  any  faults  that  you discover, unless you can fix them. You DO NOT need to record faults that you fix. 2-6