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 200 of 775

TM 9-2350-311-10

2-10 OPERATING PROCEDURES — CONTINUED

2-10.3 Transmission Shift Control Lever — Continued

b. 1 (1st Gear)

Use when:

1

Setting vehicle in forward motion during field operation. Upshift to a higher gear when vehicle speed

permits.

2

Ascending or descending steep grades and on soft, muddy, or rough terrain.

3

Making short forward radius turns. Short radius turns on hard surfaces should be initiated from a

stand-still. (Maximum speed is 6 mph.)

c. 2 (2nd Gear)

Use when:

1

Towing heavy loads.

2

Ascending or descending steep grades and on extremely muddy or rough terrain.

3

Making short forward radius turns. (Maximum speed is 9 mph.)

2-104