TM 55-4920-328-13 b.  Remove the dolly assembly from the test trailer as follows (see figure 1-3): (1)    Attach  the  test  trailer  crane  assembly  to  the engine mount ring.  (Refer to paragraph 2-13 for crane assembly operating instructions.) (2)  Remove the dolly axle latch arms (20). (3)    Remove  the  dolly  assembly  and  engine  from the test trailer, then install the dolly drawbar.  Secure the test trailer crane assembly. c.    Remove  the  engine  from  the  dolly  assembly  as follows: (1)  Remove the exhaust assembly from the exhaust diffuser.  Install dust cover on engine diffuser housing. (2)  Remove  the drain bottles and hose assemblies, N1  and  Nil  tachometer  generators,  IGV  transmitter  and bracket, and bleed band cable assembly. (3)    Remove  the  fuel  control  actuator  linkage  and throttle position transmitter and bracket. (4)    Remove  the  vibration  adapters  and  pickups, then install the lifting eyes. (5)  Disconnect and remove all accessory hoses and cables,  adapters,  and  thermocouples  from  the  engine test dolly, engine, and power absorption system. (6)    Remove  the  water  brake  assembly  and  torque system, inlet screen, and transition cone. (7)  Install the engine lifting sling.  Remove the bolts from the engine mount brackets and remove the engine. CAUTION Support    the    starter    generator    to prevent damage to mounting studs. (8)  Remove the starter generator. (9)        Remove    the    engine    mounts    and    engine mounting brackets. (10)        If    T53    turboprop    testing    has    concluded, disconnect and remove all accessory hoses and cables from the test trailer. Section V.  T55 TURBOSHAFT ENGINE 2-30.  Installation and Preparation of T55 Turboshaft Engines for Testing. CAUTION Ensure  that  all  hoses,  engine  ports and  cable  connectors  are  capped  at all times to prevent contamination. NOTE Refer  to  chapter  6  of  this  technical manual for standard tightening torque values. NOTE Install   lockwire   in   accordance   with MS33540. a.  Install the engine on the test dolly as follows: (1)    Install  four  engine  mount  brackets  (7,  figure  2- 23)   on   engine   test   dolly   mount   ring.      Tighten   and lockwire the bolts. (2)  Install required engine lifting adapters and sling, and suspend engine at a suitable working height. (3)  Install four engine mounts (1) and balls (3), one on each inlet housing mount pad.  Tighten and lockwire the bolts. (4)   Lift and  guide  the  engine  into the dolly mount ring  and  secure  the  engine  mounts  (1)  to  the  engine mount  brackets  (7)  with  bracket  clamps  (11).    Ensure engine  ball  mounts  are  properly  positioned  within  each bracket.  Tighten and lockwire the bolts. NOTE Do   not   remove   aft   lifting   adapter from the engine. (5)    Remove  lifting  sling  and  lifting  adapters  from the engine. b.  Install engine starter and instrumentation as follows: (1)      Install   packing   (14,   figure   2-24),   union   (15), hose    assembly    (17),    nipple    (19),    and    drain    bottle assembly (20) in starter drain port. (2)    Install  packing  (1),  nipple  (2),  and  male  tip  (3) in starter case drain port. (3)  Install elbow  (8), nipple (9), and male tip (10) in starter oil return port. (4)      Install   elbow      (11),   nipple   (12),   and   valved nipple (13) in starter oil supply port. Change 4 2-103