Tube-Bending Machine, Hand-Operated. The tube-bending machine shown in figure 3-4 is used for portable
bending of various sizes of hydraulic rigid tubing.
Drycleaning solvent is flammable and solvent vapors are toxic. Use P-D-680, Type II Solvent in a well-
ventilated area. Keep away from open flames. Avoid prolonged solvent contact with skin.
Cleaning. Keep tube-bending machine free from grease and dirt by cleaning with a cloth moistened in
drycleaning solvent, Federal Specification P-D-680, and wiping dry with a clean cloth.
Corrosion prevention. After cleaning, to prevent tube-bending machine and accessories from
rusting, apply a light coat of oil, MIL-L-7870, to surfaces.
Corrosion removal. When rust spots are present, they may be removed by scouring with crocus
cloth, Federal Specification P-C-458. Touch up with the original finish.
Figure 3-4. Tube Bending Machine