Section IV. REMARKS - TM-9-1270-212-14-P0392

TM 9-1270-212-14&P

Section IV. REMARKS

Nomenclature of End Item or Component: Fire Control Subsystem, Helmet-Directed, XM128/XMl36

Remarks

Ref code

Align refers to the subsystem boresighting at the

BIT and operational checks are extent of testing at

direct support maintenance level.

the organizational maintenance level.

After repair or replacement of the EIA, adjustment

Align refers to boresighting of the helmet sight

of its AZ and EL potentiometers may be required

assembly which will require cooperative effort of

two individuals (either aircrew and maintenance or

by the organizational maintenance personnel to

reestablish boresighting.

two maintenance personnel).

Replacement of lamp assembly is extent of

Amplifier card Al3 may require adjustment at the

direct support maintenance level.

organizational maintenance repair.

Limited testing can be performed at the direct

Field repair of the arm assemblies is limited to

support maintenance level, utilizing available test

replacement of screw lock assemblies.

equipment.

Alignment of linkage assemblies by direct support

Adjustment of the bit magnet bracket can be

maintenance personnel is required prior to

performed by direct support maintenance

boresighting the subsystem.

personnel utilizing the fire control subsystem test.

set.

Adjustment of arm assembly resolver (Bl) by

direct support maintenance personnel may be

M Circuit card assembly A14 in the EIA used in HSS

required during boresighting.

XM136 is authorized field repair.

The extension cable will be replaced at the direct

Use of shim 2202214-00 and wedge 2202213-00

support maintenance level because its removal

are optional. These items must be used as a set.

affects the linkage alignment.

C-6