Operation and maintenance manual

B3.9, B4.5, B5.9 Industrial Troubleshooting Symptoms Charts
Section TS - Troubleshooting Symptoms Page TS-17
Engine Acceleration or Response Poor
Cause Correction
STEP 1
Operator technique is not correct
.............
Refer to Procedure 101-999 (Operating
Instructions — Overview) in Section 1.
OK
Go To Next Step
STEP 2
Fuel level is low in the tank
.............
Fill the supply tank. Refer to the OEM service
manual.
OK
Go To Next Step
STEP 3
Vehicle parasitics are excessive
.............
Check the vehicle brakes for dragging,
transmission malfunction, cooling fan operation
cycle time, and engine-driven units. Refer to the
OEM service manual.
OK
Go To Next Step
STEP 4
Clutch is malfunctioning or is not correct
.............
Compare the drivetrain specifications to Cummins
recommendations. Check the clutch for correct
operation. Refer to the OEM service manual.
OK
Go To Next Step
STEP 5
Drivetrain is not correctly matched to the engine
.............
Check for correct gearing and drivetrain
components. Refer to the OEM vehicle
specifications.
OK
Go To Next Step
STEP 6
Fuel leak
.............
Check the fuel lines, fuel connections, and fuel
filters for leaks. Check the fuel lines to the supply
tanks. Refer to the OEM service manual.
OK
Go To Next Step
STEP 7
Intake manifold air temperature is above
specification
.............
Refer to the Intake Manifold Air Temperature
Above Specification symptom tree.
OK
Go To Next Step
STEP 8
Charge air cooler is restricted or leaking
.............
Inspect the charge air cooler for air restrictions or
leaks. Refer to Procedure 010-027 (Charge-Air-
Cooler) in Section 4.
OK
Go To Next Step