Carbureted engine
Removing
1. Loosen the fastening brackets and unscrew the wing nut. Remove air filter cover.
2. Remove the filter element.
3. Disconnect the preheating hose from the air filter housing.
4. Disconnect vacuum hoses and crankcase ventilation hose. To facilitate installation, mark the hoses with adhesive tape.
5. To unscrew bolts of fastening of the lower part of the air filter. Remove the lower part of the filter.
6. Close the carburetor with a clean cloth.
Attention! Do not allow parts to fall into the carburetor as this can cause severe engine damage.
Installation
1. Remove the rag.
2. Check preheating hose for damage, replace if necessary.
3. Push the preheating hose onto the air filter housing. Make sure that the fitting fits correctly into the preheating hose and is not compressed or damaged.
4. Connect the vacuum hoses and the crankcase ventilation hose to the air filter according to the marking.
5. Install and screw the lower part of the air filter.
6. Insert the filter element.
7. Install the air filter cover, screw on the wing nut and secure with the fastening brackets.
Injection engine
Removing
1. Disconnect the plug from the air mass meter.
2. If fitted, disconnect high voltage cable -1- and connections at ignition coil. To facilitate installation, mark the cables with adhesive tape.
3. Loosen the hose clamps and disconnect the intake air hose -2-.
4. To turn out bolts of fastening -3- of the top part of the air filter.
5. To turn out bolts of fastening -4- and to take out the bottom part of the air filter.
Installation
1. Install the lower part of the air filter and tighten the bolts.
2. Insert the filter element.
3. Install the upper part of the air filter and tighten the mounting bolts.
4. Place the intake air hose on top of the air filter and secure with a clamp.
5. Connect the high voltage cable and ignition coil connections as marked.
6. Connect the plug of the throttle valve potentiometer.
Diesel engine
Removing
1. Loosen the hose clamps and disconnect the intake air hose.
2. Loosen the mounting bolts -5- and remove the upper part of the air filter -1-.
3. Remove filter element -2-.
4. Disconnect the crankcase ventilation hose -6- after loosening the clamp.
5. To unscrew bolts of fastening -4- and to remove the bottom part of the air filter -3-.
Installation
1. Install the lower part of the air filter and tighten the mounting bolts with force 25 Nm.
2. Connect the crankcase ventilation hose to the air filter housing and secure with a clamp.
3. Insert the filter element.
4. Install the upper part of the air filter and screw on the mounting bolts.
5. Connect the intake air hose and secure with a clamp.