TM 10-8145-222-23
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REPAIR CONTINUED
20. Install front panel assembly (WP 0013, Install).
21. Place MTRCS back into desired mode of operation (TM 10-8415-222-10, Operating Procedures).
END OF TASK
REPLACE
Main Heat Valve and 7/8-Inch Check Valve Assembly
1. Recover refrigerant (WP 0014, Service).
2. Remove top-left panel (WP 0013, Remove).
3. Remove front panel assembly (WP 0013, Remove)
4. Remove condenser (WP 0068, Remove) and place on sturdy work surface.
5. Remove coil if not already accomplished.
6. Remove two bolts (Figure 2, Item 1) and washers (Figure 2, Item 2) securing main heat valve mount bracket
(Figure 2, Item 3) to condenser (Figure 2, Item 4).
7. Remove two screws (Figure 2, Item 5) and washers (Figure 2, Item 6) securing saddle clamp plate (Figure 2,
Item 7) and saddle clamp front (Figure 2, Item 8) to refrigerant pipe (Figure 2, Item 9).
NOTE
When the piping is pulled on to gain added clearance, the saddle clamp back may
drop.
8. Remove saddle clamp plate (Figure 2, Item 7), saddle clamp front (Figure 2, Item 8), and saddle clamp back
(Figure 2, Item 10). Retain for reinstallation.
9. Remove two screws (Figure 2, Item 11), nuts (Figure 2, Item 12), lock washers (Figure 2, Item 13), and washers
(Figure 2, Item 14) securing two clamps (Figure 2, Item 15) and plate (Figure 2, Item 16) to check valve
refrigerant pipe (Figure 2, Item 17) and filter-drier inlet pipe (Figure 2, Item 18). Discard lock washers.
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