TM 55-2815-574-24
FIELD MAINTENANCE
ENGINE
FRESH WATER COOLING SYSTEM HEAT EXCHANGER REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
Materials/Parts (cont.)
General mechanic's tool kit
O-ring Qty: 4 (WP 0180, Table 1, Item 78)
(WP 0179, Table 1, Item 130)
(
Packing retainer Qty: 2
Air filtering respirator (WP 0179, Table 1, Item 109)
WP 0180, Table 1, Item 77)
Industrial goggles (WP 0179, Table 1, Item 54)
Chemical gloves (WP 0179, Table 1, Item 52)
Personnel Required
Utility apron (WP 0179, Table 1, Item 8)
Engineer 88L
Wire brush (WP 0179, Table 1, Item 21)
References
Materials/Parts
TM 55-1925-205-10
Cleaner (WP 0178, Table 1, Item 8)
Cleaning compound (WP 0178, Table 1, Item 9)
Gasket Qty: 3 (WP 0180, Table 1, Item 47)
Lockwasher Qty: 34 (WP 0180, Table 1, Item
Equipment Condition
106)
Engine cool to touch
Fresh water cooling system drained (WP 0133)
NOTE
This task is typical for both port and starboard heat exchangers.
REMOVAL
1.
Close butterfly seachest valve (Figure 1, Item 1).
Figure 1. Seachest Valve.