SETTING UP COLLIMATION STANDARD

TM 9-4931-710-14&P

5-8

COLLIMATION

AND

INSPECTION

CONTINUED

SETTING

COLLIMATION

STANDARD

CONTINUED

D Install head assembly (7) to collimation standard (2). Make sure ground surfaces (8) is parallel to

locating dovetail (9).

E Install three screws (10), tighten lightly.

Note

Use two V-blocks when setting up Ml 39 standard.

Dowel pins are matched and should not be separated.

F Set collimation standard (2) on V-block(s) (11) with dovetail positioned to accept the two 1/4

in. (6.4 mm) dowel pins (12).

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