Volvo Penta TMD22 Wartungshandbuch PDF herunterladen (Seite 111)

109

Cooling system

Place a new manifold gasket in position over the

guide pins in the cylinder head (A1). You do not

need to use any sealing compound. Check that the

gasket is correctly installed.

Place the unit in position on the cylinder head and

install the mounting screws. Tighten the screws

evenly in stages to 22 Nm in the order illustrated in

Install the support bracket between the rear end of

the unit and the flywheel cover.

Install the coolant hoses and pipes to the oil cooler

on the unit.

Fill the coolant circuit, operation 20A-02.

Start the engine and check for leaks.

Heat exchanger, reconditioning

(20A-11)

Applies to MD22A, MD22L-A, TMD22A

The heat exchanger insert can be removed (with the

heat exchanger installed on the engine) if the space

behind or in front of the heat exchanger is at least

555 mm.

Drain the coolant circuit, operation 20A-01 and the

sea water circuit, operation 20A-03.

Detach the support clamp which holds the output

pipe from the heat exchanger to the bottom of the

intake manifold. Remove the outlet pipe.

Remove the rubber ends by detaching the hose

clamps.

Press out the insert in whichever direction. Ensure

that the sleeve (A1) also comes out of the heat ex-

changer.

Check that the holes in the pipes are clean. If there

are hard deposits or contaminants in the pipe, the

best way of cleaning them is to use a non-corrosive

solution approved by the manufacturer. If the de-

posits or contaminants are soft, the pipe can be

cleaned with a steel rod of 3 mm diameter. Push the

rod through the pipes in the opposite direction to the

water flow. Take care that the rod does not damage

the pipes.

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Volvo Penta TMD22 Wartungshandbuch Seite 111