FIGURE 3-73. Gear Backlash.

TM 55-1905-223-24-4

NOTE

Hold adjoining gear from moving when checking backlash or the reading

will be the total of both gears.

(2)

Note the camshaft gear backlash. Mark the camshaft gear and crankshaft gear for further analysis if

backlash exceeds limits (FIGURE 3-73).

A = 0.003 to 0.013 inch, 0.08 to 0.33 mm

FIGURE 3-73. Gear Backlash.

b. Remove spur gear (1, FIGURE 3-74).

Remove thrust support capscrews.

d. Remove camshaft from cylinder block.

e. Put woodruff (1, FIGURE 3-75) aside for replacement.

FIGURE 3-74. Spur Gear Removal.

FIGURE 3-75. Woodruff Key.

3-77