TM 5-3895-368-14&P (4) Install brake armature (5) and two springs (6).      Compress   the   springs   and   install assembled   field   (8),   securing   with   nuts (10).    Tighten  nuts  to  seat  field  (8)  with  a 0.020-0.030 inch gap to armature (5). (5) If     removed,     install contactor (36) to bracket (38), securing with screws (35). (6) Install assembled bracket and contactor to frame  assembly  with  screw  (41),  at  upper mounting hole of bracket. (7) Secure  control  cable  and  ground  lead  of power     cable     (23)     to     boss     in     frame assembly with flat washer (18), lockwasher (17), and screw (16). (8) Refer  to  noted  tags  on  control  and  power cables   (22   and   23)   and   wiring   diagram (Figure    4-8)    and    connect    all    electrical leads.  Carefully coil all long leads without sharp bends and tape to ensure leads will not touch brake discs. (9) Carefully    install    cover    (11,    Figure    4-3) without pinching wore leads, securing with two screws (13) and lockwashers (14). l. Assembly  -  Lower  Hook  Assembly  and  Loose End Chain (Figure 4-4) (1) If   removed,   install   latch   (48)   and   latch spring  (50),  applying  torque  to  the  spring to keep the latch closed.  Secure latch and spring with screw (49) and nut (51). (2) Assemble    lower    hook    (47),    body    (46), washer    (45),    and    thrust    bearing    (44). Secure with castle nut (43), tightening  nut firmly and then back off nut to align slot in nut  with  hole  through  stem  of  hook  (47) and install pin (52). (4) Position the lower hook body (46) in a vice with  the  larger  pin  hole  facing  up.    Slide last  link  of  load  chain  in  slot  of  block  (54) and  position  block  into  lower  hook  body, ensuring  that  bore  is  with  the  pin  hole  in hook body.  Install pin (53), small end first, and  seat  pin  with  hammer  until  flush  with surface of hook body. (5) Install  loose  end  chain  (15)  to  loose  end block (16) and secure with pin (17). (6) Install   stop   block   (19)   onto   end   of   load chain (55) and insert last link into the loose end block (16).  Secure the load chain with pin (18). (7) Secure   end   of   loose   end   chain   (15)   to motor   housing   (56)   with   capscrew   (14), lockwasher (13), and flat washer (12). m. Installation. (1) Install the electric hoist (2, Figure 2-12) to the melter by hooking the upper suspension hook to the trolley. (2) Install the drum sling (3) in the lower hook assembly as shown in figure 2-12. (3) Connect  the  power  cord  to  an  approved 110   volt   power   supply   furnished   for   the melters. 4-15 (4-16 Blank)