ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
Section XI. MAINTENANCE OF AIR INTAKE AND EXHAUST SYSTEM
2.70. MUFFLER AND EXHAUST PIPE.
2.70.1. Inspection.
a. Shut down generator set.
b. Remove top housing panel and top housing frame, paragraph 2.16.1.
c. Open engine access doors.
d. Inspect muffler and pipe for cracks, excessive corrosion, clogging, and other damage.
e. Replace damaged parts.
f. Install top housing frame and top housing panel, paragraph 2.16.4.
2.70.2. Removal.
a. Shut down generator set.
b. Remove top housing panel and top housing frame, paragraph 2.16.1 and open engine access doors.
WARNING
The exhaust system can get very hot. Allow system to cool before per-
forming maintenance. Failure to follow these instructions could result
in severe burns and injuries.
c. Loosen nuts and remove clamp (1, FIGURE 2-20).
d. Open bands (2) and separate muffler (3) and exhaust and adapter (12). Remove muffler (3) from generator set.
e. Remove nuts (4), Iockwashers (5), bolts (6), washers (7), and muffler supports (8).
f. Remove nuts (9), Iockwashers (10), washers (11), exhaust adapter (12), and gasket (13).
2.70.3. Installation.
a. Install muffler supports (8, FIGURE 2-20) with bolts (6), nuts (4), Iockwashers (5), and washers (7).
b. Install exhaust adapter (12) and gasket (13) and secure with nuts (9), Iockwashers (10), and washers (11).
c. Couple muffler (3) to exhaust adapter (12) with clamp (1). Do not tighten clamp (1).
d. Secure muffler (3) to supports (8) with bands (2).
e. Tighten clamp (1).
f. Install top housing frame and top housing panel, paragraph 2.16.4. Close engine access doors.
2.71. AIR RESTRICTION INDICATOR.
2.71.1. Inspection.
a. Shut down generator set.
b. Open left side engine access door.
c. Inspect air restriction indicator (1, FIGURE 2-21) for cracks, stripped threads, or other obvious damage.
d. Close engine access door.
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