T M 1 0 - 4 5 1 - 2 0 6 - 14
TO 40P1-6-2-1
5-7.REPAIR PROCEDURES (CONT'D)
P-
Master Control Box Assembly (Cont'd)
7.
T o t e s t m o t o r c o n t a c t o r ( 1 1 ) ,
c h e c k c o n t i n u i t y f r o m i n p ut
t e r m i n a l s ( 1 0 ) t o o u t p u t t e r m i n a l s ( 1 2 ),
Meter should read open
c i r c u i t a t e a c h s e t o f t e r m i n a l s ( r e d , b l u e , b l a c k w i r e s ).
Repeat continuity check at each terminal while pushing up on
m o t o r c o n t a c t o r s o l e n o i d ( 1 3 ).
Meter reads continuity on each
l i k e c o l o r e d w i r e.
Replace motor contactor (11) (steps 23 and
2 4 ) i f c o n t i n u i t y t e s t f a i l s .
On Model PBU-100, serial numbers PBU100442
and subsequent
On Model PBU-100, before
serial number PBU100442,
and Model HEI-100
Change 7 5-90.1/(5-90.2 blank)
