TB 9-6625-2197-50
i. Lower Housing Removal
(1) Turn TI upside down and remove cover (4), nut (5), and retaining ring (6) (fig. 4).
(2) Loosen four screws (7) (fig. 4) and gently lift and place lower housing beside TI
with handle side down.
(3) Disconnect switch cable P1 (10) (fig. 4) from connector (11) (fig. 4, inset A).
NOTE
Look at connector 11 (fig. 4, inset A) and P1 cable end. Notice
the arrangement of pins and guide pins for future
reconnections.
(4) Disconnect battery cable P1 (8) (fig. 4) from connector J12 (15) (fig. 4, inset A).
(5) Disconnect cable 20 (fig. 4) from attenuator on lower housing.
(6) Remove lower housing away from card cage chassis and lower housing.
j.
Upper Housing Removal
(1) Place upper housing on bench so that card cage chassis lip is exposed.
(2) Remove eight screws (21) and washers (22) (fig. 4) located on lip of card cage chassis.
CAUTION
Use extreme care when lifting upper housing away from card
cage chassis to avoid damage to coaxial cables (2) and (3) (fig. 4).
(3) Turn TI on right side and separate card cage chassis and upper housing.
NOTE
Slide cables (2) and (3) (fig. 4) part way through seals while
applying a slight pressure.
WARNING
Excess bending of cables (2) and (3) (fig. 4) may cause damage
to cables and cause test set malfunction.
(4) Disconnect cables (2) and (3) (fig. 4) from card cage chassis connectors when
sufficient clearance is made.
(5) Remove upper housing from card cage chassis.
k. Install SMA
male to
female right
angle connectors to
(2) and
(3) (fig. 4) card cage
chassis connectors.
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