Quantcast SMOKE GENERATING SYSTEM ABNORMAL OPERATION

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TM 9-2815-220-24
SMOKE GENERATING SYSTEM ABNORMAL OPERATION
THIS WORK PACKAGE COVERS:
Troubleshooting Table and Diagnostic Tests
WARNING
When using JP-8 fuel the smoke generator must be disabled. Smoke will not
be generated when using JP-8 and excess fuel could puddle causing a
potential fire hazard. See Field Service Bulletin 458 for disabling procedure.
INITIAL SETUP:
Tools:
Personnel Required
General mechanic's tool kit (item 121, WP 0176)
Track Vehicle Repairer (2) 63H10
Equipment Conditions:
Engine installed in vehicle or ground hop.
MALFUNCTION 1: Engine fails to produce smoke when engine is operating and smoke
generating system is activated.
PROBABLE CAUSE
CORRECTIVE ACTION
a. Fuel shut-off valve closed.
(1)
Open fuel shut-off valve.
b. No generator output.
(1)
Bring engine speed to 1000 rpm
momentarily to insure generator output.
(2)
Troubleshoot generator malfunction
(WP 0021 for 650 ampere, or WP 0022 for
300 ampere).
c. Restricted fuel tube adapters in exhaust
(1)
Replace fuel tube assemblies.
pipes.
d. Air cleaner blower motors not operating.
(1)
Refer to pertinent vehicle technical manual.
e. Ruptured fuel hose or tube.
(1)
Replace fuel hose or tube.
f. Fuel solenoid valve(s) not operating.
(1)
Replace solenoid valve(s).
g. Restricted fuel hose or tube.
(1)
Replace fuel hose or tube.
MALFUNCTION 2: Smoke produced is of poor quality.
PROBABLE CAUSE
CORRECTIVE ACTION
a.
Loss of fuel from loose connection or
(1) Tighten connection or replace hose or tube.
ruptured hose or tube.
b.
Restricted fuel hose or tube.
(1) Replace hose or tube.
c.
Restricted fuel filters.
(1) Service fuel filters.
d.
Restricted fuel tube adapters in exhaust
(1) Replace fuel tube assemblies.
pipes.
e.
No current to solenoid valves.
(1) Repair wiring harness.
f.
Solenoid valve(s) defective.
(1) Replace solenoid valve(s).
END OF WORK PACKAGE
WP 0025 00-1 (2 blank)

 


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