TM 10-4510-206-14
TO 40P1-6-2-1
5 - 7.
REPAIR PROCEDURES (CONT'D)
p. Master Control Box Assembly (Cont'd)
19.
20.
21.
22.
NOTE
On Model PBU-100,
serial numbers PBU100442 and subsequent,
lockrings and thread inserts will come out and drop down in
control box assembly when performing step 19.
Remove four screws (28) holding cover plate (27) to control box.
To remove mounting panel and control box, tag and disconnect all
wires from panel-mounted components.
R e m o v e f i v e c o n d u i t l o c k n u t s ( 3 0 ) a n d s l i p f i v e c o n d u i t f i t t i n g s
( 2 9 ) f r o m c o n t r o l b o x.
Remove four nuts (31) and four screws (32) securing control box
to skid and remove control box.
5 - 9 6 C h a n g e 7