TM 55-4920-328-13 2-6.  Initial Servicing Instructions. WARNING Observe  all  base  safety  and  fire  regulations when  handling  fuels  and  turbine  lubricating oils.    Failure  to  observe  this  warning    may result in serious or   fatal injury. a.      After   the   visual   inspection   of   the   METS systems   and   components,   accomplish   the   servicing instructions   in   chapter   5   for   the   following   auxiliary systems and subsystems: Fuel System Water System Oil System Air System Portable Oil Unit Hydraulic Control Subsystem b.  Prior to initial use and each time a test is to be accomplished,  open  the  drain  valve  (8,  figure  1-18)  to drain the condensate from the air storage tank (5). 2-7.  Installation of T55 Engine Accessories in- strumentation. After  receipt  of  the  equipment  and  prior  to  operation, certain   instrumentation   contained   in   the   T55   engine accessories must be installed.  Proceed as follows: a.    Obtain  the  T55-L-7  torque  indicator  (2,  figure 2-7)  or  T55-L-11/712  torque  indicator  (3)  and  inverter (6),   as   applicable,   and   attaching   parts   from   the   T55 engine accessories kit. b.    Slide  the  operator's  panel  assembly  3A1  (11) out to the full travel of the left and right track slides. c.   Remove  the circular cover  (72, figure 7-17) (second cover from the right) from the front panel of the unit  by  removing  the  attaching  parts.    Place  the  cover and     attaching     parts     in     a     cloth     bag,     attach     an identification tag, and store. d.    To    install  the    T55-L-7    torque    indicator  (2, figure  2-7)  insert  the  indicator  in  the  hole  in  the  front panel   and   install   four   screws   (5)   and   four   nuts   (4), provided    in    the    T55    engine    accessories.        Do    not electrically connect the indicator until connection instructions     are     provided     in     the     text     relative     to installation of the T55 engine accessories. e.      To    install  the  T55-L-11/712  torque  indicator (3), insert the indicator in the front panel and install the flange  (1),  four  screws  (5),  and  four  nuts  (4).    Do  not electrically connect the indicator at this time. f.  For the T55-L-11/712, install the inverter (6) in the  lower  left  portion  of  the  3A1  chassis,  using  screws (9),   washers   (8),   and   nuts   (7),   provided   in   the   T55 engine   accessories.      Do   not   electrically   connect   the inverter at this time. 2-7.1 T700 METS Test Adapter Instrumentation. Certain instrumentation and other accessories are initially  provisioned  with  the  T700  METS  test  adapter and  are  permanently  installed  to  modify  the  METS  to include T700 engine testing capabilities.  Such items are listed  in  the  adapter  parts  list  in  chapter  7  and  include the following principal components: · T700 Control Panel Insert (230, figure 7-49) (Insert to Operator's Panel 3A3) · Control Panel Meter Harness (189) ·  Control Panel Harness (190) ·  Stabilizer (209) ·  Charge Amplifier (213) and Charge Amplifier Rack (214) with High-Pass and Low-Pass Filters (216 and 217) ·  Vibration Meter Harness (191) ·  Ng and Np Indicators (212) ·  Lube Oil Pressure Instrument (210) ·  Lube Water Filter System (228) ·  E3 Harness (144) ·  El OMEGA Harness (147) ·  Engine Torque Indicator (Figure 7-55) With the exception of the lube water filter system, E3   Harness   and   El   OMEGA   harness,   all   equipment listed above is installed in the control cab as described in chapter 1. 2-8.  Functions of Controls and Indicators. The  functions  of  METS  instrumentation  controls and indicators are listed in table 2-5.  The table provides information     on     the     figure     number     in     which     the component  is  depicted,  the  part  nomenclature,  and  the reference designation, when applicable. Change 4  2-13