TM
11-5835-243-34/EE641-AA-MMl-010/E154
MTT/TO
31S3-4-110-1
means of jackscrews.
Shim Part Number
Thickness
493-9110-1
0.001 in.
(3) Insert head alignment fixture into tape
493-9110-3
0.003 in.
transport. Ensure that the fixture is inserted
493-9110-5
0.005 in.
correctly (fig. 3-10) and that the cartridge locking
(1) Position head assembly (16) on the tape deck
lever is in locked position.
and secure with two socket head screws (15) and flat
(4) Use head stack gage to measure clearance
washers. Do not install shims at this time.
between top of head assembly guide posts and head
CAUTION
alignment fixture at both guide posts (fig. 3-10).
Alternately tighten connector jackscrews
Clearance at each guide post must be between 0.003
one to two turns until connector is
inch and 0.004 inch. If there is more than 0.001 inch
securely seated.
difference between the guide post measurements,
install new head assembly.
(2) Secure connector PU1P1 to A10A1J and
connector PU1P2 to A10A1J2 on interface board by
3-22
