TABLE 8-1. BOLTING REQUIREMENTS.

TM 38-260

c. Unsupported columns. Unsupported columns shall be reinforced by securing snug fitting filler blocks between

the skid floor and the recessed portion of the base casting. Filler blocks [l not place stress on the recessed areas on base

castings or hold down points.

d. Leg type machines. Leg type machines with slotted bolt holes for mounting shall be secured by nailing or

bolting a wood block to a runner, bearing against each leg opposite the slot opening (fig 8-4).

TABLE 8-1. BOLTING REQUIREMENTS.

Machine Weight

Diameter of bolts

Under 7,500 pounds (3,402kg)

5/8 In (15.875mm)

7,500 to 25,000 pounds (3,402 to 11,340kg)

3/4 in (19.050mm)

25,000 to 50,000 pounds (11,340 to 22,680kg)

1 In (25.400mm)

Figure 8-4. Back up Cleats for Slotted Bolt Holes.

8-21