TM 10-4630-207-13&P
0029 00
8. Push vacuum pump (figure 10, item 1) towards the engine (figure 10, item 2) to loosen and remove
the drive belt (figure 10, item 3) from engine pulley (figure 10, item 4) and vacuum pump pulley
(figure 10, item 5).
2
1
3
5
4
Figure 10. Removing Drive Belt
NOTE
When a previously used drive belt is re-installed, a belt tensioning gage will not be
available. Disregard references to the belt tensioning gage in paragraphs 9., through
18., and adjust belt to -inch deflection at center between pulleys. Refer to
9. Remove belt-tension gage (figure 11, item 1) from belt and place new belt (figure 11, item 2) onto
the engine and pump pulleys. Position brand area (figure 11, item 3) at center between pulleys.
10. Move vacuum pump (figure 11, item 4) away from engine to take up belt slack.
3
4
2
1
Figure 11. Installing Drive Belt
11. Align the pulleys (figure 12, item 1) as shown, moving the pump slightly to make adjustment.
12. When the pulleys are aligned and the belt slack is taken up, clean the brand area (figure 12, item 2)
of the belt of dust, oil or other debris
0029 00-7