Figure 4-13. Spanning mast channels

TM 10-3930-630-12

Figure 4-13. Spanning mast channels

(2) Set outside spanning tool to match inside

spanning tool distance as shown in figure 4-14.

Lock outside tool at this setting.

Figure 4-14. setting outside panning tool.

(3) Check bearings (7, fig. 4-12) on roller studs.

Span bearings on carriage at the maximum camber

point with outside spanning tool. Span all three sets of

Figure 4-15. Check bearing alinement

bearings. Remove bearings if necessary and shim

bearings to produce a maximum of 0.015-inch (0.38

mm) clearance between end of spanning tool and

bearings.

4-24