MIL-DTL-62460 Steer Unit, Tracked Vehicle, Clutch Brake And Geared SteerThe steer unit covered by this specification is intended for use as a steer unit for the Armored Combat Earthmover M9 ACE. The steer unit is a two-speed, double-output gearbox, manually controlled for manipulating track laying vehicles, and includes a bevel gear set, clutch brake and geared steering systems, and full vehicle brakes.

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MIL-DTL-62460E

4.5.4 Preparation for testing. The following procedures shall be accomplished prior to

the starting of tests.

4.5.4.1 Fill with oil. Fill the steer unit sump and hydraulic circuit with the proper oil, and

fill to the proper oil level designated on the steer unit dipstick.

4.5.4.2 Heat oil. Warm the oil in the steer unit sump and hydraulic circuit to the specified

temperature (see 4.5.2).

4.5.4.3 Adjust brakes. Adjust each brake lever as follows:

a. Turn each brake lever clockwise until the lever can no longer be rotated when

applying medium effort with a 254 millimeter (mm) adjustable wrench.

b. Back each lever off 10 +0.25 complete 360� turn.

4.6 Methods of inspection.

4.6.1 Materials and construction. Conformance to 3.2 thru 3.3 shall be determined by

inspection of contractor records providing proof or certification that design, construction,

processing, and materials conform to requirements. Applicable records shall include drawings,

specifications, design data, receiving inspection records, processing and quality control standards,

vendor catalogs and certifications, industry standards, test reports, and rating data.

4.6.2 Defects. Conformance to 3.3.1, 3.3.2 and 3.5 through 3.7, shall be determined by

examination of the defects listed in table X. Examination shall be visual, tactile, or by

measurement with standard inspection equipment.

TABLE X. Classification of defects.

Method of

examination