Military Occupational Classification and Structure - U.S. Army

M1 tanks and M1 vehicle configurations, including automotive, turret,
fire control, and chemical protection systems. Duties for MOS
63E at each level of skill are:
(1) MOSC 63E1O. Maintains hydraulic brake systems, air/hydraulic
brake systems, mechanical brake systems, track vehicle suspension
systems, wheel vehicle suspension systems, vehicle hub/
wheel assemblies, mechanical/hydraulic steering systems, wheel vehicle
crane/hoist/winch assemblies, track vehicle hydraulic systems,
auxiliary power units, wheeled vehicle winch assemblies, fire extinguisher/suppression
systems, and gas particulate systems.
(2) MOSC 63E2O. Perform duties in preceding skill level, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties.
(3) MOSC 63E3O. Perform duties in preceding skill levels, perform
M1 ABRAMS tank turret mechanic (MOS 45E) duties, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties. Supervises maintenance
of cannon assemblies, cannon assemblies, cannon recoil ass
e m b l i e s , t r a v e r s i n g s y s t e m s , e l e v a t i n g s y s t e m s , s t a b i l i z a t i o n
systems, electrical power distribution systems, electrical firing systems,
hydraulic systems, sighting and fire control systems, exterior/
i n t e r i o r / a r m a m e n t / a u t o m o t i v e a c c e s s o r i e s , c u p o l a / c o m m a n d e r ’ s
weapon station/hatch systems, NBC system, fuel systems, turbine
engines, gasoline and diesel engines, cooling systems, transmissions/
transfers, brake systems, suspension systems, steering systems, fire
e x t i n g u i s h e r / s u p p r e s s i o n s y s t e m s , a n d f i n a l d r i v e s . I n s p e c t s a n d
troubleshoots M113 series vehicle automotive systems, recovery vehicle
(M88A1) automotive systems, light wheeled vehicle automotive
systems. Performs battlefield damage assessment and repair
(BDAR) of track/wheel vehicle armament/automotive systems.
(4) MOSC 63E4O. Perform duties in preceding skill levels, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties. Supervises the inspection
and troubleshooting of M113 series vehicles automotive
s y s t e m s . R e c o v e r y v e h i c l e ( M 8 8 A 1 ) a u t o m o t i v e s y s t e m s , l i g h t
wheeled vehicle automotive systems, M1/M1A1 automotive/armament
systems, and performs Battle Damage Assessment and Repair
(BDAR) on track/wheel vehicle automotive/armament systems.
b. Physical demands rating and qualifications for initial award of
MOS. M1 ABRAMS tank system mechanics must possess the following
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222222.
(3) Normal color vision.
(4) A minimum score of 100 in aptitude area MM.
(5) Current equipment qualification record for all types of equipment
maintained.
(6) Formal training (completion of MOS 63E course conducted
u n d e r t h e a u s p i c e s o f t h e U S A O r d n a n c e C e n t e r a n d S c h o o l )
mandatory.
c. Additional skill identifiers.
(1) H8—Recovery Operations.
( 2 ) K 4 — T a n k O p e r a t i o n s a n d M a i n t e n a n c e ( s k i l l l e v e l 1 t o
4Master Fitness Trainer.
(3) P5—Master Fitness Trainer.
(4) 2S—Battle Staff Operations (skill level 3 and above).
(5) 4A—Reclassification Training.
d. Physical requirements and standards of grade. Physical requirements
and SG relating to each skill level are listed in the
following tables:
(1) Table 10-63E-1. Physical requirements.
(2) Table 10-63E-2. Standards of grade TOE/MTOE.
(3) Table 10-63E-3. Standards of grade TDA.
10–169. 63G—Fuel and Electrical Systems Repairer (Fuel
& Elec Sys Rep), CMF 63
a. Major duties. The fuel electrical systems repairer performs
direct support and general support (DS/GS) maintenance on fuel and
electrical systems of wheel and track vehicles, brake system components,
and on internal combustion engines associated with power
304 DA PAM 611–21 • 31 March 1999
generation equipment or material handling equipment. Duties for
MOS 63G at each skill level are:
(1) MOSC 63G1O. Repairs the fuel supply pumps, fuel pumps
(metering and injection), fuel injectors, governors, wiring harnesses,
a l t e r n a t o r s / g e n e r a t o r s , s t a r t e r s , r e g u l a t o r s a n d e l e c t r i c a l c o n t r o l
boxes, DC electrical motors, air brake system components, hydraulic
brake system components, and personnel heaters.
(2) MOSC 63G2O. Performs duties in preceding skill level, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties.
b. Physical demands rating and qualifications for initial award of
MOS. Fuel and electrical systems repairers must possess the following
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222232.
(3) Normal color vision.
(4) A minimum score of 105 in aptitude area MM.
(5) A knowledge of construction, functions, and nomenclature of
wheel and track vehicles and materials-handling equipment.
(6) A knowledge of internal combustion engines.
(7) Formal training (completion of MOS 63G course conducted
under the auspices of the USA Ordnance Center and School) mandatory;
or meet the civilian acquired skills criteria listed in AR 601-
210.
c. Additional skill identifiers.
(1) P5—Master Fitness Trainer.
(2) 4A—Reclassification Training.
d. Physical requirements and standards of grade.
(1) Table 10-63G-1. Physical requirements.
(2) Table 10-63G-2. Standards of grade TOE/MTOE.
(3) Table 10-63G-3. Standards of grade TDA.
10–170. 63H—Track Vehicle Repairer (Track Veh Rep),
CMF 63
a. Major duties. The track vehicle repairer supervises and performs
direct support and general support (DS/GS) maintenance on
track vehicles; supervises maintenance on wheeled vehicles, material
handling equipment (MHE), and chemical quartermaster equipm
e n t ( l e s s o f f i c e m a c h i n e s ) ; a n d s u p e r v i s e s r e l a t e d a c t i v i t i e s
including fuel and electrical system repair and maintenance. Duties
for 63H at each skill level are:
(1) MOSC 63H1O. Performs repair of gas turbine power plants/
packs, diesel power plants/packs, compression ignition engine fuel
systems, compression ignition air induction systems, vehicle air
cooling systems, vehicle liquid cooling systems, track hull electrical
s y s t e m s , a u t o m a t i c t r a n s m i s s i o n a s s e m b l i e s , t r a c k v e h i c l e c r o s s
drive transmission assemblies, transfer assemblies, hydraulic brake
systems, mechanical/hydraulic steering systems, track vehicle hyd
r a u l i c a s s e m b l i e s , f i r e e x t i n g u i s h e r / s u p p r e s s i o n s y s t e m s . R e p a i r
t r a c k v e h i c l e u s i n g b a t t l e f i e l d d a m a g e a s s e s s m e n t a n d r e p a i r
(BDAR).
(2) MOSC 63H2O. Performs duties in preceding skill level, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties.
(3) MOSC 63H3O. Performs duties in preceding skill levels, perform
and supervise fuel and electrical systems repairer (MOS 63G)
duties, performs and supervises wheel vehicle repairer (MOS 63W)
duties, supervises lower grade soldiers and provides technical guidance
to the soldiers in the accomplishment of their duties. Supervise
and repair of fuel systems, fuel system components, electrical systems,
electrical system components, turbine engines, diesel engines,
cooling systems, transmissions, brake systems, steering systems, hydraulic
systems, auxiliary drives, and personnel heaters. Inspects and
troubleshoots tracked vehicle automotive systems, wheel vehicles
and classify equipment.
(4) MOSC 63H4O. Performs duties in preceding skill levels, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties. Supervises the inspection
and troubleshooting of tracked vehicle automotive systems
and wheeled vehicles. Manages battlefield damage assessment and
repair.