TM 10-4510-206-14
TO 40P1-6-2-1
4-13. WATER PUMP ASSEMBLY MAINTENANCE PROCEDURES (CONT'D)
d . E l e c t r i c a l F i t t i n g s , C o n d u i t , a n d W i r i n g . R e p l a c e e l e c t r i c al
f i t t i n g s , c o n d u i t ,
o r w i r i n g i f t h e d e f e c t i v e c o m p o n e n t r e n d e r s t he
water pump inoperative or unsafe to operate.
Repair or replace
c o n d u i t i f i t i s n o t s e a l e d a g a i n s t m o i s t u r e .
Replace only that
c o m p o n e n t t h a t i s d e f e c t i v e .
1.
To replace one wire or more, on Model PBU-100, remove six screws
( 1 ) s e c u r i n g b o x c o v e r ( 2 ) t o s w i t c h b o x ( 3 ).
On Model HEI-100,
r e m o v e e i g h t s c r e w s ( 1 ) s e c u r i n g b o x c o v e r ( 2 ) t o s w i t c h b o x ( 3 ) .
2. On Model PBU-100, before serial number PBU100442, remove three
screws and loosen the fourth screw (4) securing motor power
j u n c t i o n b o x ( 5 ) a n d t u r n c o v e r p l a t e ( 6 ) t o e x p o s e w i r e s .
On Model PBU-100,
serial numbers PBU100442 and subsequent, and
Model HEI-100,
remove two screws and cover from power junction box
( 5 ).
C h a n g e 7 4 - 4 9
