REPAIR INSTRUCTIONS

b.If fire ring groove (3) is not visible, insert two 0.008-inch thickness gauges (2) between cutter head (1) and cutter base (4).

5.Adjust cutter head J 37719 until it bottoms out on deck surface of existing fire ring groove. Tighten cutter head in this position and remove the two thickness gauges.

to Figure 210.

The desired finished fire ring groove depth is 0.008 inch (0.203 mm).

4.Install cutter head J 37719 (1) on cutter base (4).

a.If fire ring groove (3) is visible, check existing fire ring groove depth dimension with depth gauge J 26948. The difference between 0.008 inch and the actual remaining depth of fire ring groove is the amount to cut. Insert two appropriate thickness gauges (2) between cutter head (1) and cutter base (4).

Refer to Figure 211.

6.Install a socket (1) and T-handle (2) on cutter head (3). Using T-handle, rotate cutter head in a clockwise direction only, applying an even downward pressure to cut fire ring groove.