Military Occupational Classification and Structure - U.S. Army

. Physical demands rating and qualifications for initial award of
M O S . T r a c k v e h i c l e r e p a i r e r s m u s t p o s s e s s t h e f o l l o w i n g
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222232.
(3) Normal color vision.
(4) A minimum score of 90 in aptitude area MM.
(5) Current equipment qualification record for all types of equipment
maintained.
(6) Formal training (completion of MOS 63H 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) P5—Master Fitness Trainer.
(3) 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 10-63H-1. Physical requirements.
(2) Table 10-63H-2. Standards of grade TOE/MTOE.
(3) Table 10-63H-3. Standards of grade TDA.
10–171. 63J—Quartermaster and Chemical Equipment
Repairer (QM & Chem Equip Rep), CMF 63
a . M a j o r d u t i e s . T h e q u a r t e r m a s t e r a n d c h e m i c a l e q u i p m e n t
repairer supervises or performs unit and direct support and general
support (DS/GS) maintenance on chemical equipment, quartermaster
machinery, forced air-heaters, and special purpose equipment. Duties
for MOS 63J at each skill level are:
(1) MOSC 63J1O. Maintains (unit/DS/GS) and repairs electrical/
fuel heater systems, pumps, erdlator type/reverse osmosis water purification
systems, decontamination systems, protective filter systems,
smoke generator systems, laundry washer/extractor systems
(mechanical), dryer/tumbler systems (mechanical), and quartermaster/chemical
equipment electrical systems. Maintains internal comb
u s t i o n e n g i n e i g n i t i o n / f u e l / c o o l i n g / e l e c t r i c a l s y s t e m s . P e r f o r m s
battlefield damage assessment and repair (BDAR).
(2) MOSC 63J2O. 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. Quartermaster and chemical equipment repairers must possess
the following qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222222.
(3) A minimum score of 90 in aptitude area MM.
(4) Normal color vision.
(5) Formal training (completion of MOS 63J 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) P5—Master Fitness Trainer.
(2) 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 10-63J-1. Physical requirements.
(2) Table 10-63J-2. Standards of grade TOE/MTOE.
(3) Table 10-63J-3. Standards of grade TDA.
10–172. 63N—M60A1/A3 Tank System Mechanic (M60A1/
A3 Tank Sys Mech) (Reserve Components), CMF 63
(Closed to women - see chap 13).
a. Major duties. The M60A1/A3 tank system mechanic supervises
and performs unit maintenance and recovery operations on
M60A1/A3 tanks, including the automotive, turret, fire control, and
chemical protection systems. Duties for MOS 63N at each level of
skill are:
( 1 ) M O S C 6 3 N 1 O . M a i n t a i n s ( i n s p e c t s / t r o u b l e s h o o t s / r e p l a c e s /
DA PAM 611–21 • 31 March 1999
repairs/adjusts/performs preventive maintenance checks and services
(PMCS)) diesel power plants/packs, compression ignition engines,
wheel vehicle clutch assemblies, compression ignition engine, fuel/
air induction systems. vehicle liquid cooling systems, vehicle starting/charging
systems, track vehicle hull electrical systems, wheel
vehicle electrical systems, standard/automatic transmission assemblies,
crossdrive transmission assemblies, propeller shaft/axle assemblies,
drum brake systems. hydraulic steering systems, hoist/ winch
a s s e m b l i e s , t r a c k v e h i c l e h y d r a u l i c a s s e m b l i e s , a u x i l i a r y p o w e r
units, fire extinguisher/suppression systems, and gas particulate filter
systems.
(2) MOSC 63N2O. 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 63N3O. Performs duties in preceding skill levels, perform
and supervise M60A1/A3 tank turret mechanic (MOS 45N)
duties, supervises lower grade soldiers and provides technical guidance
to the soldiers in the accomplishment of their duties. Supervises
maintenance of cannon assemblies, cannon recoil assemblies,
traversing systems, elevating systems, stabilization systems, electrical
power distribution systems, electrical firing systems, hydraulic
systems, sighting and fire control systems, exterior/interior/armament/automotive
accessories, cupola/commander’s weapon stations/
hatch systems, NBC system, fuel systems, gasoline and diesel engines.
cooling systems, transmissions/transfers, brake systems susp
e n s i o n s y s t e m s , s t e e r i n g s y s t e m 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
systems, final drives, and spade systems. Inspects and troubleshoots
M113 series vehicle systems, recovery vehicle (M88A1) automotive
s y s t e m s . P e r f o r m s 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) of track vehicle armament/automotive systems.
(4) MOSC 63N4O. Performs duties in preceding skill levels, supervises
lower grade soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties.
(5) MOSC 63N5O. Performs duties in preceding skill levels, 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. M60A1/A3 tank system mechanics must possess the following
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222222.
(3) A minimum score of 100 in aptitude area MM.
(4) Normal color vision.
(5) Current equipment qualification record for all types of equipment
maintained.
(6) Formal training (completion of MOS 63N 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) P5—Master Fitness Trainer.
(3) 2S—Battle Staff Operations (skill level 3 and above).
(4) 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 10-63N-1. Physical requirements.
(2) Table 10-63N-2. Standards of grade TOE/MTOE.
(3) Table 10-63N-3. Standards of grade TDA.
10–173. 63S—Heavy-Wheel Vehicle Mechanic (Hvy WVeh
Mech), CMF 63
a. Major duties. The heavy-wheel vehicle mechanic performs
unit maintenance on heavy-wheel vehicles (prime movers designated
as more than 5 tons and their associated trailers) and material handling
equipment (MHE). Duties for MOS 63S at each skill level are:
(1) MOSC 63S1O. Maintains compression ignition engines, compression
ignition engine fuel systems, compression ignition air ind
u c t i o n s y s t e m s , w h e e l v e h i c l e e x h a u s t s y s t e m s , v e h i c l e l i q u i d
cooling systems, vehicle starting systems, vehicle charging systems,
wheel chassis electrical systems, standard transmission assemblies,
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