Checking procedure
Remove the noise screen.
Clamp the supply and return hoses from the oil cooler with hose clamps up to ∅ 25 mm.
Pic. 2.332. Coolant Hose Clamps
Loosen clamps with spring clamp pliers (pic. 2.332).
Note: Collect the escaping coolant in a sump.
Disconnect the water hoses from the oil cooler.
Put the plug 5 on the rear connecting pipe 4 of the oil cooler.
Fix the plug 2 on the bleed valve of the expansion tank 1.
Attach water hose 3 to the oil cooler and expansion tank.
Fill the expansion tank to the mark «Max».
Pic. 2.333. Installing the tester on the expansion tank
Install the cooling system tester with the adapter for the cooling system on the expansion tank (pic. 2.333).
Using the hand pump of the tester, pressurize approximately 1.6 bar.
Watch the pressure drop on the pressure gauge. A pressure drop within 10 minutes is unacceptable.
If the pressure drops, replace the oil cooler.
Installation
Installation is carried out in the reverse order, taking into account the following.
Check coolant level, top up if necessary.
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