TM 3-1040-276-10
TROUBLESHOOTING (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
CAUTION
Be careful not to damage rocker arms or pump rod assembly when freeing rocker arms.
Step 2. Check for stuck rocker arms in fog oil pump air motor.
Open access covers (2). Use screwdriver to push rocker arms (3) inside air motor
back and forth.
Step 3. Check if fog oil inlet hose is submerged in fog oil.
Submerge hose in fog oil and/or replace fog oil supply if low. If supply is not low,
move fog oil inlet hose up and down to prime fog oil pump. If fog oil pump fails to
pump fog oil, shut down generator and go to step 4.
Step 4. Check fog oil inlet hose for clogged fog oil strainer.
Step 5. Check for stuck pressurizing disc in air check valve assembly (4).
Step 6. Start generator and check smoke output. If no
smoke or
low output, gradually open oil
metering globe valve until proper smoke output is obtained.
Shut down generator and report on DA Form 2404 to your supervisor.
5. LOW WHITE SMOKE OUTPUT.
Perform steps, 4, 5, and 6, malfunction 4.
3-6
Change 1