TM 55-4920-328-13 r.    Install  the  coupler  (28)  on  the  hose  assembly (29),   then   connect   the   coupler   to   the   water   brake bearing oil supply valved nipple (30).  Connect the other end  of  the  hose  assembly  to  the  OIL  OUT  bulkhead union on the portable lube unit (31). s.    Install  the  coupler  (32)  on  the  hose  assembly (33),   then   connect   the   coupler   to   the   water   brake bearing oil return valved nipple (34).  Install the reducer (35)  in  the  free  end  of  the  hose  assembly  and  connect the  tube  assembly  (36)  to  the  reducer.    Connect  the other  end  of  the  tube  assembly  to  the  OIL  RETURN bulkhead union on the portable oil unit. t.      Assemble   the   hose   assembly   (37),   reducer (38), packing (39), and coupler (40).  Attach the free end of the hose assembly to the WATER IN bulkhead union on the portable lube unit (31).  Attach the coupler to the water  supply  quick-disconnect  coupling  (41)  on  the  test trailer. u.      Assembly   the   hose   assembly   (42),   reducer (43), packing (44), and coupler (45).  Attach the free end of  hose  assembly  to  the  WATER  OUT  bulkhead  union on  the  portable  oil  unit  (31).    Attach  the  coupler  to  the water  return  quick-disconnect  coupling  (46)  on  the  test trailer. v.  Install the coupler (47) on the hydraulic Supply hose  assembly  (48),  then  connect  the  coupler  to  the valved  nipple  installed  in  the  IN  port  of  the  hydraulic starter (49).  Install the coupler (50) in the other end of the   hose   assembly   and   connect   the   coupler   to   the SUPPLY port on the hydraulic start unit (51). w.  Install the coupler (52) on the hydraulic return hose  assembly  (53),  then  connect  the  coupler  to  the male tip installed in the OUT port of the hydraulic starter (49).  Install the coupler (54) in the other end of the hose assembly and connect the coupler to the RETURN port on the hydraulic start unit (51). x.  Install the coupler (55) in the hydraulic starter drain  hose  assembly  (56),  then  connect  the  coupler  to the male tip in the connecting parts installed in the case drain   port   of   the   hydraulic   starter   (49).      Install   the coupler  (57)  in  the  free  end  of  the  hose  assembly  and attach  the  coupler  to  the  DRAIN  port  on  the  hydraulic start unit (51). y.  Connect the coupler (58) (installed in the water brake  air  supply  hose  assembly)  to  the  AIR  SUPPLY quick-disconnect fitting (59) on the test trailer. z.    Connect  the  coupler  (60)  (installed  in  the  fuel supply   hose   assembly)   to   the   FUEL   SUPPLY   quick- disconnect fitting (61) on the test trailer. aa,   Connect   one   ground   cable   assembly   (62) (provided with the test trailer) to the ground stud (63) on the  test  trailer.    Connect  the  other  end  of  the  ground cable  assembly  to  one  of  the  ground  studs  (64)  on  the mount stand assembly (2). ab.    Connect  the  second  ground  cable  assembly (65) to the second ground stud (66) on the mount stand assembly  (2).    Connect  the  other  end  of  the  ground cable assembly to the engine. ac.    Install  a  nipple  (67)  in  each  end  of  the  oil level  indicator  assembly  (68),  then  attach  the  oil  level indicator  assembly  to  the  structure  of  the  mount  stand assembly  (2),  using  four  washers  (69)  and  four  bolts (70).  Attach the hose assembly (71) to the upper nipple and  attach  the  other  hose  assembly  (72)  to  the  lower nipple. ad.      Connect   the   test   trailer   electrical   system cable    assemblies    to    the    connectors    on    the    data acquisition  assembly  (73)  as  shown  in  view  G  and  as follows: (1) Connect cable assembly W1 to J1. (2) Connect cable assembly W2 to J2. (3) Connect cable assembly W3 to J3. (4) Connect cable assembly W4 to J4. (5) Connect cable assembly W5 to J5. (6) Connect cable assembly W6 to J6. ae.    Install  the  Nil  slave  unit  (74)  on  the  bracket (75),   using   three   bolts   (76),   three   washers   (77),   and three nuts (78). af.          Rotate     the    engine     fuel     control     shaft counterclockwise to the limit of travel. ag,    Loosen  the  nut  (79)  sufficiently  to  allow  the linkage arm assembly (80) to rotate, then move the arm to  a  point  midway  between  the  4  o'clock  and  5  o'clock positions.    Tighten  the  nut  and  reinstall  the  cotter  pin (81).      Bend   the   legs   of   the   cotter   pin   to   secure   the installation. ah.      Rotate   the   arm   of   the   Nil   slave   unit   (74) clockwise  approximately  60  degrees  from  the  vertical position.    Check  to  ensure  that  the  Nil  master  control unit in the control cab is in the fully retracted position.  If the   Nil   master   control   unit   is   not   in   the   specified position, adjust the hydraulic loop as specified in chapter 6 of this technical manual. 2-211