B-6
B-7
TM 55-2840-231-23
Group
Number
0405
0406
0407
0408
Description
ACCESSORY GEARBOX
Input and output gears, seals, chip detector, housings, drive shaft, bearings,
Seals.
FUEL SYSTEM
Fuel Control, fuel boost pump, governor, fuel filter assembly, sequence valve,
fuel manifold fuel nozzle, external lines & hoses.
ELECTRICAL SYSTEM
Electrical control units, exciters, thermocouples, ignition harness, electrical cables,
history recorders, torque overspeed sensor, NP sensor, alternate stator, blowers.
OIL SYSTEM
Tanks, oil filter, oil cooler, lube and scavenge pumps, oil filter bypass sensor,
external lines & hoses.
The symbol _._ identifies the lowest level of maintenance authorized to perform a maintenance function
and indicates that work time figures are being developed and will be entered at a later date. When developed,
this time will appear: for example as, 0.1 and also indicates the lowest level of authorized maintenance.
TOOLS AND TEST EQUIPMENT (Section III).
Special totals, teat, and support equipment required to do maintenance functions are listed with a refer-
ence number to permit cross-referencing to column 5 in the MAC. In addition, the maintenance category
authorized to use the device is listed along with the item National Stock Number and, if applicable, the
number to aid in identifying the tool/device.
B-8.
REMARKS (Section IV).
Column 6 of the MAC contains alphabetic reference codes which are explained in Section IV of this
appendix.
B-5