DETROIT DIESEL 53
area is adequately ventilated and use protective gloves,
2. When lifting an engine, make sure the lifting device
goggles or face shield, and apron.
is fastened securely. Be sure the item to be lifted does
not exceed the capacity of the lifting device.
Exercise caution against burns when using oxalic acid to
clean the cooling passages of the engine.
3. Always use caution when using power tools.
6. Use caution when welding on or near the fuel tank.
4. When using compressed air to clean a component,
possible explosion could result if heat build-up inside the
such as flushing a radiator or cleaning an air cleaner
tank is sufficient.
element, use a safe amount of air. Recommendations
regarding the use of air are indicated throughout the
7. Avoid excessive injection of ether into the engine
manual. Too much air can rupture or in some other way
during start attempts. Follow the instructions on the
damage a component and create a hazardous situation
container or by the manufacturer of the starting aid.
that can lead to personal injury.
When working on an engine that is running,
5. Avoid the use of carbon tetrachloride as a cleaning
accidental contact with the hot exhaust manifold can
agent because of the harmful vapors that it releases.
cause severe burns. Remain alert to the location of the
Use perchlorethylene or trichlorethylene. However,
rotating fan, pulleys and belts. Avoid making contact
while less toxic than other chlorinated solvents, use
across the two terminals of a battery which can result in
these cleaning agents with caution. Be sure the work
1972 General Motors Corp.