TM-9-2350-311-34-2

CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-2 - Page 177 of 552

TM 9-2350-311-34-2

14

15

16

17

NOTE

There is an alternate method for rotating cannon tube for installation if chain-type pipe wrench is not

available and muzzle brake has not been removed. To use alternate method, perform steps 16 and

17 instead of 14 and 15.

Place chain-type pipe wrench (10) on cannon tube (5) at a location without critical external features.

Rotate cannon tube (5) 45° clockwise to engage cannon tube and breech ring (9) threads.

Insert available 4 x 4 inch wooden block at least 5 feet long into muzzle brake (11).

Using wooden block for leverage, rotate muzzle brake (11) and cannon tube (5)

cannon tube and breech ring (9) threads.

45° clockwise to engage

5-33