5-18. Aftercooler.

Figure 5-15. Second Stage Intercooler Coil, Replace.

TM-5-4310-387-14 Compressor Unit Diesel Engine Driven 20 CFM 3200 PSI Model K-20-D Manual
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TM 5-4310-387-14 5-18. Aftercooler. This task covers: a. Replace INITIAL SETUP Tools General Mechanic's Tools Kit (NSN 5180-00-177-7033) Materials/Parts Aftercooler Bags, Plastic (Item 3, Appendix E) Bands, Rubber (Item 4, Appendix E) Tape, Pressure Sensitive (Item 22, Appendix E) Equipment Condition Fanwheel assembly removed (para. 5-11). Reference Cleaning Procedures, Chapter 4, Section VI. Replace. (figure 5-16) WARNING Cleanliness is imperative in maintaining and handling diving air system components. All tools and parts must be kept free of oil, grease, rust, or other contamination in accordance with Chapter 4, Section VI of this manual. Foreign substances within an assembly could result in equipment failure and possible injury or death to personnel. Ensure that all air lines and components removed or openings into the air system that provides breathing air are covered with a plastic bag and secured with a rubber band or taped shut. Small components should be stored in a plastic bag and sealed. Failure to do so will cause air system to become contaminated and could result in injury or death to the diver. (1) Loosen two connector nuts (1). (2) Remove nut (2), lockwasher (3), flat washer (4), bolt (5), flat washer (6), spacer (7), and clamp (8). (3) Remove three bolts (9), lockwashers (10), six blocks (11), one spacer (12), and aftercooler (13). (4) Install aftercooler (13) and tighten two connector nuts (1). (5) Install six blocks (11), one spacer (12) and secure with three bolts (9), and lockwashers (10). (6) Install clamp (8) and secure with spacer (7), flat washer (6), bolt (5), flat washer (4), lockwasher (3) and nut (2). 5-40

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