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 224 of 343

TM 9-2350-358-BD

11-10. HYDRAULIC TUBE AND HOSE REPAIR (LOW-PRESSURE) - CONTINUED

References:

TM 9-2350-314-20-2-2

Other Options:

•

Reference Chapter 3 Hose and tube repairs.

•

Reference tube repair instruction in M2/3 generic BDR kit.

Procedural Steps:

1.

Cut out the damaged portion of the tubing.

2.

Square, deburr and clean the ends.

3.

Bead the tubing 1/2-inch from the ends.

NOTE

If a beading tool is not available, make an improvised head by wrapping string or wire around the

tube, coat the string or wire with sealant or hardening epoxy.

4.

Select a length of medium or high-pressure hose with an inside diameter equal to the outside diameter of the tube.

Cut the length 6 inches longer than the removed piece of tubing.

5.

Slide the hose ends over the ends of the tubing.

Use system fluid to aid In sliding the hose over the tubing,

particularly the bead.

6.

Secure the hose on each end with a hose clamp on each end.

7.

Record the BDAR action taken.

When mission is complete, as soon as practical, repair the equipment/system

using standard maintenance procedures.

11-6