TM 5-3825-229-14&P
6-5. TAPPETS (cont)
c. Removal.
(1) Place cylinder head (1) on exhaust port side.
(2) Place a brass drift into injection nozzle bore and drive out hot plug.
b. Inspection.
(1) Clean all carbon deposits from hot plugs.
(2) Inspect hot plugs for visible damage or erosion. If damaged or eroded, replace hot plug.
NOTE
Hot plugs will develop hairline cracks after running. This is normal and acceptable.
(3) Inspect hot plugs for hairline cracks that intersect. If cracks intersect, replace hot plug.
(4) Inspect hot plug for damage to guide. If guide is damaged, replace hot plug.
c. Installation.
(1) Align guide on hot plug with keyway in hot plug bore.
(2) Drive hot plug into bore with a soft-faced hammer.
6-10
