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TM 9-2330-398-24
2-15.
QUICK GUIDE TO TROUBLESHOOTING.
ITEM
SYMPTOM
PARAGRAPH
LIGHTS
ALL SEMITRAILER LIGHTS ARE INOPERABLE.
para 2-16a(1)
ONE OR MORE (BUT NOT ALL) TAILLIGHT
para 2-16a(2)
LAMPS OR LIGHTS WILL NOT OPERATE.
LIGHTS ARE DIM OR FLICKERING.
para 2-16a(3)
BRAKE SYSTEM
BRAKES WILL NOT RELEASE.
para 2-16b(1)
NO BRAKES OR BRAKES ARE WEAK.
para 2-16b(2)
BRAKE APPLICATION OR RELEASE IS SLOW.
para 2-16b(3)
BRAKES GRAB.
para 2-16b(4)
BRAKES DRAG (one or more brakedrums
para 2-16b(5)
are running hot).
LANDING GEAR
HAND CRANK IS DIFFICULT TO TURN.
para 2-16c(1)
MANHOLE COVER
EXCESSIVE LEAKAGE EXISTS AROUND
para 2-16d(1)
MANHOLE.
ENGINE
ENGINE STARTER WILL NOT RUN.
para 2-16e(1)
ENGINE TURNS OVER BUT FAILS TO START.
para 2-16e(2)
ENGINE IS HARD TO START OR HAS
para 2-16e(3)
LOW ENGINE POWER.
LOW OIL PRESSURE IS INDICATED
para 2-16e(4)
ON GAGE (20 psi [138 kPa] minimum).
HIGH OIL PRESSURE IS INDICATED
para 2-16e(5)
ON GAGE (40 psi [276 kPa]
maximum when engine is warm).
ENGINE MISFIRES UNDER HEAVY LOAD.
para 2-16e(6)
ENGINE SPEED IS ERRATIC OR WILL
para 2-16e(7)
NOT MAINTAIN STEADY RPM.
ENGINE SPEED IS TOO HIGH OR TOO
para 2-16e(8)
LOW.
ENGINE EXHAUST IS BLACK OR FUEL
para 2-16e(9)
CONSUMPTION IS EXCESSIVE.
PREHEAT INDICATOR LAMP WILL NOT
para 2-16e(10)
LIGHT.
2-16
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