Figure 4-5. Valve Guide, Removal.

TM 55-1930-208-24

a. Disassembly. (Refer to figures 4-5 through 4-10).

(1) Refer to figure 4-5 and support head on wood blocks with the bottom of the head up.

(2) Drive out valve guide with a hammer and valve guide removal tool.

Figure 4-5. Valve Guide, Removal.

(3) Refer to figure 4-6 and file or grind two diametrically opposite notches 1/16 inch deep in the side of the

guide, approximately 1-1/4 inch to 1-1/2 inch from the upper end.

Figure 4-6. Bridge Guide Notch Grinding.

(4) Refer to figure 4-7 and place the spacer over the guide.

(5) Slide the guide remover over the guide and aline setscrews with the notches ground into the guide.

(6) Tighten the setscrews to hold the tool securely.

Figure 4-7. Bridge Guide Removal Tool, Installation.

4-17