ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
1-10. Equipment Data.
a. G e n e r a l .
Engine model . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number of cylinders . . . . . . . . . . . . . . . . . . . . . .
Horse power rating . . . . . . . . . . . . . . . . . . . . . . .
Fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magneto contacts
Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve tappet clearance cold . . . . . . . . . . . . . . . .
(Intake and exhaust)
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Regulator-Rectifier . . . . . . . . . . . . . . . . . . . . . . . .
b . D i m e n s i o n s a nd Weight Mode ls 2A042-2 and -3.
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight (Dry) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 A 0 4 2 - 2 , a n d -3
4 cycle gasoline powered air cooled
2 (horizontally opposed)
10 at 3600 r.p.m.
Diaphragm 3.0-4.5 psi outlet pressure
Dry
Shielded
.028-.033 in. (.071-.083 cm)
.016-.020 in. (.040-.050 cm)
.007-.009 in. (.017-.027 cm)
Centrifugal
2 quarts (21/2qts with oil filter change)
4 0 v o l t s a l t e r n a t i n g c u r r e nt
24 volts direct current (dc)
28.5 ±.5 volts at 1.5 amps (dc)
19 in. (48.26cm)
24 in. (60.96cm)
22.10 in. (56.13 cm)
205 1b (93.07kg)
1-11. Differences Between Models. Both models of the Military Standard are similar except for the
following difference:
Both models are equipped with regulator-rectifiers but Model 2A042-2 uses a different model.
1-12. Safety, Care, and Handling. Observe all WARNINGS, CAUTIONS and NOTES in this manual. This
equipment can be extremely dangerous if these instructions are not followed.
1-13. Corrosion Prevention and Control. Corrosion Prevention and Control (CPC) of Army materiels
a continuing concern. It is important that any corrosion problems with this item be reported so that the problem
can be corrected and improvements can be made to prevent the problem in future items. While corrosion is
typically associated with rusting of metals, it can also include deterioration of other materials, such as rubber and
plastic. Unusual cracking, softening, swelling, or breaking of these materials maybe a corrosion problem. If a
corrosion problem is identified, it can be reported using Standard Form 368, Product Quality Deficiency Report.
Use of keywords such as “corrosion, “ “rust,” “deterioration,” or “cracking” will ensure that the information is
identified as a CPC problem. The form should be submitted to the address specified in DA PAM 738-750).
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