Risk Of Accident From Vehicle Starting Off By Itself When Engine Running. Risk Of Injury (Bruises And Burns) Resulting From Working On The Engine While It Is Being Started Or When It Is Running - AS00.00-Z-0005-01A

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MODEL ALL (4xWD, BUS, CAR, Heavy transporter, Light transporter, TRUCK, UNIMOG, smart)

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

Potential risks

Risk of accident

Caused by the vehicle starting off by itself during the starting procedure (e.g. during compression test) due to engaged gear or with the engine running and vehicles with automatic transmission due to selector lever position "P" or

"N" not being engaged (except for vehicles that do not have selector lever position "P").

Risk of injury

Severe injuries can be caused by freely rotating parts in the area of the running engine.

Because the engine heats up when operating, serious burns can be caused by touching unshielded parts.

Safety instructions/precautions

In general, only work on a running engine when it is absolutely necessary.
Apply parking brake before starting the engine.
The vehicle is to be secured against moving forwards or backwards.
The person performing tests on a vehicle with the engine running must sit in the driver's seat to be able to prevent the vehicle from moving.
It is not permitted for persons to be in the danger zone in front of or behind the vehicle while tests are being performed.
Shift the gearshift lever to neutral on vehicles with manual transmission.
On vehicles with automatic transmission, move selector lever into position "P" or "N" (except for vehicles that do not have selector lever position "P").
On vehicles that do not have selector lever position "P", the selector lever is to be secured against unauthorized access .
Wear closed and snug-fitting work clothes.
Remove all jewelry such as necklaces, rings, etc.
Wear suitable head wear to cover long hair.
Before commencing any work on the running engine, familiarize yourself with the location of potentially hot parts.
When carrying out work when starting the engine or when the engine is running, do not touch any hot or rotating parts .
Use the exhaust extraction system.

First aid measures in the event of burns

Do not rub the skin areas affected; rinse with plenty of cold water and cover skin with sterile dressings.
Consult a physician immediately.