TM-9-2350-311-20-2

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

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 801 of 828

TM 9–2350–311–20–2

Change 2

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APPENDIX J

RECOIL EXERCISER INSTRUCTION

J–1

RECOIL EXERCISER INSTRUCTIONS

This task covers:

a.

Installation

b.

Operation

c.

Removal

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Cloth, abrasive crocus (item 11, Appx D)

Hydraulic fluid (item 20.1, Appx D)

Hydraulic fluid, PET, OHT (item 21, Appx D)

Sealant, teflon pipe (item 26.1, Appx D)

Wood, block 4”x4”x12” (item 39.1, Appx D)

Personnel Required

2

a.

Installation

WARNING

•

Cylinder support assembly weighs 85.7 pounds (38.87 kg). Two individuals are required to posi-

tion and install cylinder support assembly to prevent injury to personnel.

•

Ensure cylinder support assembly is held in place until front and rear lower shoes are installed

to prevent personnel injury.

1

Position cylinder support assembly (1) on top of cannon tube (2), so that the upper front yoke (3) is 30 in-

ches (76.2 cm) behind the bore evacuator (4).

NOTE

Do not force fit cylinder support assembly on cannon tube.

2

Slide cylinder support assembly (1) towards dust cover (5) until there is a snug fit.

3

Install lower front shoe (6) and secure with two flat washers (7) and two screws (8) finger tight.

4

Install lower rear shoe (9) and secure with two flat washers (10) and two screws (11) finger tight.