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2. O-rings / washers
3-11. Glow plug / injector adapters
12. Auxiliary beam for clamp-mounted ends
13. Sleeve
14. Pneumatic elbow connection
3.2.
Preparation for operation
POSITIONING OF THE UNIT
Keep the unit away from any hot surfaces - do not touch the moving parts of the
engine.
The place of work of the device should provide immediate access to the
valve that releases accumulated compressed air. Make sure that the pressure of the
air supply to the unit does not exceed the recommended range.
3.3.
Working with the device
1) The engine should be cool.
2) Make sure that the vehicle's starter battery is operational and charged.
3) Check the engine oil level.
4) Deactivate the fuel pump (e.g. by pulling its fuse).
5) Start the engine briefly to burn out the fuel remaining in the fuel system
(after a short time the engine will turn off automatically).
6) Wait until the engine cools down and, if necessary, remove one glow
plug or the injector and install a specific adapter in its place, maintaining
the tightening torque recommended by the manufacturer.
7) Connect the pressure gauge to the tip of the adapter through the
pneumatic quick coupler at their ends.
8) The needle on the pressure gauge should read "0" - if it is not, release
the pressure by pressing the valve located on the indicator fitting to the
hose.
9) Make sure that the gauge is connected to the motor tightly (air is not
escaping anywhere).
10) Spin the engine starter, i.e. as if trying to start the engine (the engine will
not start because it will not get fuel), and spin it until the pointer on the
pressure gauge stops rising.
11) The value indicated on the pressure gauge is the value of the
compression pressure on the measured cylinder - write it down
somewhere before resetting the pressure gauge.
12) Repeat for each cylinder, with the remaining unmeasured cylinders fitted
with glow plugs/injectors.
13) Compare the values measured for each cylinder with the engine
manufacturer's factory values.
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