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 TM 9-2815-220-24
CLEAN AIR SYSTEM TROUBLESHOOTING
0026 00
MALFUNCTION 2:
Abnormal operation of dust ejector system (air cleaner requires cleaning too often).
PROBABLE CAUSE
CORRECTIVE ACTION
a. Restricted air cleaner (air cleaner restriction (1) Service air cleaner, refer to pertinent
indicators have reached 30 inches H2O).
vehicle technical manual.
b. Leak in vehicle exhaust dust ejector system (1) Inspect, clean, tighten, and replace parts
as necessary. Refer to pertinent vehicle
due to loose or missing clamps or damaged
technical manual.
hoses and gaskets.
(1) Replace as necessary. Refer to pertinent
c. Submergence exhaust pipe cap assembly
vehicle technical manual.
flapper restricting scavenge tube opening
due to flapper hinge pin worn or broken.
(1) Repair or replace as necessary. Refer to
d. Submergence exhaust pipe cap assembly
pertinent vehicle technical manual.
flapper in restricting tube opening due to
water freezing flapper in closed position.
e. Scavenge system not functioning due to
(1) Repair or replace as needed.
punctured or damaged tubes.
(1) Repair or replace as needed.
f. Exhaust dust ejector nozzle worn or
damaged due to operation, installation, or
disassembly.
MALFUNCTION 3:
Low power and excessive black smoke.
PROBABLE CAUSE
CORRECTIVE ACTION
a. Leak in engine air induction system or
(1) Inspect engine air induction system and
defective turbosupercharger.
clean, tighten, or replace parts as
necessary (WP 0037, Induction Leak
Test).
b. Restricted air cleaner (air cleaner restriction
(1) Service air cleaners, refer to pertinent
indicators have reached 30 inches H2O).
vehicle technical manual.
END OF WORK PACKAGE
WP 0026 00-3 (4 blank)
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