Replace top and bottom (2 and 3) covers in accordance
Identification plate replacement. Secure identification
plate (50) on front panel (9) with two screws (47), lock
washers (48), and flat washers (49).
Front panel replacement.
Secure identification plate in accordance with paragraph
Secure angle brackets (46) to studs on rear of front
panel (9) with four nuts (43), lock washers (44), and
flat washers (45).
Install RE' contact strip (item 6, App. D) to the chassis
front panel opening with pressure sensitive tape (item 18,
Secure handles (42) on front panel (9) with two screws
Replace connectors J1 through J7 in accordance with para-
Replace holddown hooks in accordance with paragraph
Secure front panel to heatsink (12) with two screws (9E).
Also secure front panel to chassis with eight screws
Replace top and bottom covers (2 and 3) in accordance
Terminal board replacement.
Secure terminal board (51) to plate (52) with two screws
(56), lock washers (57) , flat washers (58) and nuts (60) .
Solder wires, as marked, to terminals of terminal board
(51) and remove tags.
Secure plate (52) to heatsink (12) using five screws
(53), lock washers (54) and flat washers (55).
Install overvoltage protection modules U1, U2, U3 and U4
Install power supply modules PS1, PS2, PS3, and PS4 in
Install top and bottom covers on chassis (4) in
To replace a rivet(s) on chassis or hardware item, proceed as
(1) Remove covers and components as required to gain access to
(Refer to Tool Lisitng in Appendix
rivet(s) to be replaced.
(2) Center punch the rivet head of rivet to be replaced.
( 3 ) Using a drill smaller than the diameter of the rivet, drill
out the center of rivet head to be replaced.