Marking Instructions for M984E1 Crane Boom

TB 43-0209

Marking Instructions for M984E1 Crane Boom

FORMULA: A+B+C= EXTENDED LENGTH.

NOTE: The mid section and fly section are marked the same.

1. Place the crane in operation condition (TM 9-

5. Measure from the outer edge of the boom

2320-279-10-2).

section mark at 6-inch intervals a vertical strip

2. Raise boom to horizontal position with

1/2 inch wide. Mark the first strip 2 inches high

extensions fully extended.

from bottom of section and the second strip 4

3. Measure and mark a 3/4-inch vertical strip along

inches high rotating the 2-inch and the 4-inch

the outer edge of the three boom sections.

strips the complete length of the section.

4. On the base section boom to the right of and

parallel to the 3/4-inch strip mark 7' 2" in two-

6. Above each 4-inch strip, in two inch letters mark

inch letters.

the appropriate feet measurement (1, 2, 3, etc).

Figure 19. Boom Marking Instructions for M984E1.