TM-9-2350-358-BD

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE

MARCH 1994

TM-9-2350-358-BD - Page 231 of 343

TM 9-2350-358-BD

11-11. HYDRAULIC TUBE AND HOSE REPAIR (HIGH PRESSURE) - CONTINUED

Sleeve Shoulder

Straight Tubing

Tube OD

Thickness "A"

Required "B"

Size

(inches)

(inches)

(inches)

-04

.25 (1/4)

.07

.78

-06

.38 (3/8)

.08

.88

-08

.50 (1/2)

.09

1.00

-10

.63 (5/8)

.09

1.06

-12

.75 (3/4)

.09

1.19

-16

1.00 (1)

.09

1.25

-20

1.25 (1 1/4)

.09

1.31

-24

1.50 (1 1/2)

.09

1.38

2.

Inspect the tubing to ensure that the surface is free of defects (i e, scatches, burrs, dents).

3.

Cut the measured tube squarely.

4.

Deburr the tube ends and remove contaminants from interior and exterior of tube.

5.

Inspect ORS adapter and components for damage.

Assure sealing surfaces are free from gouges, scratches, dirt

and contaminants.

6.

Inspect preformed packing to ensure it is properly seated in the groove and free of damage.

Apply a thin coat of

hydraulic fluid to preformed packing before installation.

NOTE

The ORS tube fitting sleeve cannot be reused once it has been tightened in any way it must be

replaced.

7.

Place a nut, ferrule and sleeve onto tubing.

Assure that the identification groove of the ferrule is facing toward the

nut.

11-13