ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
ENGINE - CONTINUED
EXHAUST SHOWS BLACK OR GREY SMOKE - CONTINUED
Exhaust systems become hot and can cause severe burns. To avoid personnel injury, always allow
vehicle to cool down before performing maintenance on the exhaust system.
Check exhaust system for blockage or damage.
a. Disconnect exhaust pipes (1) using 9/16-inch deep well socket, extension, handle, and 9116-
b. Start engine (TM 9-2320-269-10), and let warm up.
If exhaust does not show black or grey smoke, clean or replace exhaust pipes (1) (page 2-
d. Connect exhaust pipes (1) using 9/16-inch socket, extension, handle, and 9/16-inch wrench.