TM 55-2815-574-24
SUSTAINMENT MAINTENANCE
ENGINE
CYLINDER HEAD EXHAUST VALVE REPAIR
INITIAL SETUP:
Tools and Special Tools
Tools and Special Tools (cont.)
(WP 0179, Table 1, Item 57)
General mechanic's tool kit
(WP 0179, Table 1, Item 130)
Valv(e guide cleaning brush
Chemical gloves (WP 0179, Table 1, Item 52)
WP 0179, Table 1, Item 19)
Industrial goggles (WP 0179, Table 1, Item 54)
Wire scratch brush (WP 0179, Table 1, Item 21)
Machinist's rule
(WP 0179, Table 1, Item 110)
Materials/Parts
Outside micrometer caliper set
Cleaning cloth (WP 0178, Table 1, Item 13)
(WP 0179, Table 1, Item 22)
Cleaning compound (WP 0178, Table 1, Item 9)
Spring resiliency tester
(WP 0179, Table 1, Item 124)
Utility apron (WP 0179, Table 1, Item 8)
Personnel Required
Valve face grinding machine
Engineer 88L
CLEANING
WARNING
Compound may cause irritation to eyes or skin. In case compound comes in contact with
eyes or skin, immediately flush eyes with water, wash skin with soap and water. Wear
protective goggles, gloves, and clothing. Failure to comply may result in personnel injury
or death.
1.
Using cleaning cloth and cleaning compound, clean debris from valve lock (Figure 1, Item 1), spring cap
(Figure 1, Item 2), valve spring (Figure 1, Item 3), spring seat (Figure 1, Item 4), and valve stem
(Figure 1, Item 5).
WARNING
Do not exceed 40 PSI (280 kPa) when using compressed air for drying components.
Failure to comply may result in serious injury to personnel.
2.
Dry all metal components using compressed air.
3.
Clean any carbon deposit from valve stems (Figure 1, Item 5) with wire brush and wash in cleaning
compound.
4.
Dry valve stems (Figure 1, Item 5) using compressed air.
0056-1