TM 10-3950-672-24-2
General Safety Instructions
Important Safety Notice
Read and understand all safety precautions and warnings before performing repairs.
This symbol appears in the manual when a potential safety hazard exists that can cause personal injury
or death. These hazards are not always apparent to a trained mechanic.
It is not possible for Cummins Engine Co., Inc. to anticipate every possible circumstance that can
involve a potential hazard.
Warning: Cummins Engine Company, Inc. does not recommend or authorize any modifications or
repairs to engines or components except for those detailed in CUMMINS SERVICE INFORMATION.
In particular, unauthorized repair to safety-related components can cause personal injury. Below is a
partial listing of components classified as safety-related:
Air Controls
Air Shutoff Assemblies
Balance Weights
Cooling Fan
Fan Hub Assembly
Fan Mounting Bracket(s)
Fan Mounting Capscrews
Fan Hub Spindle
Flywheel
Flywheel Crankshaft Adapter
Flywheel Mounting Capscrews
Fuel Shutoff Assemblies
Fuel Supply Tubes
Lifting Brackets
Throttle Controls
Turbocharger Oil Drain Line(s)
Turbocharger Oil Supply Line(s)
Turbocharger Turbine Casing
Vibration Damper Mounting Capscrews
Read and understand all of the safety precautions and warnings before performing any repair. This list contains the
general safety precautions that must be followed to provide personal safety. Special safety precautions are included in
the procedures when they apply.
Be sure the work area surrounding the product is safe. Be aware of hazardous conditions that can exist.
Always wear protective glasses and protective shoes when working.
Do not wear loose-fitting or torn clothing. Remove all jewelry such as rings, watches, etc., when working.
Disconnect the battery and discharge any capacitors before beginning any repair work. Disconnect the
air starter if equipped to prevent accidental engine starting. Put a " Do Not Operate' tag in the operator's
compartment or on the controls.
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