TM 55-2840-231-23
c. PROCEDURES. Contained in the airframe Organizational Maintenance Manual consist of:
(1) Preservation
(2) Storage
(3) Activation of installed engines
Applicable Airframe Organizational Manuals
Airframe Manual
Title
TM 55-1520-214-23
AVUM and AVIM Maintenance
Manual Helicopter, Observation
OH-6A (Hughes)
TM 55-1520-228-23
AVUM and AVIM Maintenance
Manual Army Model OH-58A
Helicopter
1.2 MODIFICATIONS: The following modification directives (table 1-1) have been incorporated in the
manual. If the time compliance period for the modification directive has not been reached, both
configurations are included in the manual. If the time compliance period has expired, only the current
configuration is shown.
Table 1-1. Modification Directives
*MWO 55-2840-231-30/2
Modification to Install a Pc Air Filter
Kit (T63-A-700)
MWO 55-2840-231-3014
Modification to Install a Compressor
Bleed Valve Orifice Engine to be modified at next
overhaul.
* Cancelled.
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