TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 593 of 775

TM 9-2350-311-10

5-6 FUZE SETTING — CONTINUED

e. Procedure Number 5, M577 and M582 Series Fuzes

The slotted setting key on the nose of the fuze is used for setting the fuze in the following steps.

1

Press the open end of M35 fuze setter (8) against the setting key.

2 Turn the knob handle of the M35 fuze setter (8) counterclockwise, as viewed from the nose end, until the

M35 fuze setter blade engages fuze-setting key slot. The hairline in the window is used for all settings.

NOTE

The M577 or M582 series fuze is set to desired time by rotating the M35 fuze setter in a

counterclockwise direction. To return to shipping and storage setting, the M35 fuze setter must

be rotated in a clockwise direction.

NOTE

Direction of setting or resetting M577 series or M582 series fuze is as follows.

COUNTERCLOCKWISE

CLOCKWISE

SHIPPING AND STORAGE

001 SECONDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4 TURN

200 SECONDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 TURNS

clockwise direction or above 200 seconds when setting them in the counterclockwise direction.

The settings of 000 and/or 200 are not authorized service settings.

3 When setting the M577 or M582 series fuze for PD action (superquick), start with shipping and storage

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