Model 2120 Tractor TM-4252 (Dec-70) General Information 10 Separating Assemblies 25-3 Make sure transfer pump inlet line is behind and below fuel pressure line. Connect air vent lines to hydraulic reservoir. Connect hydraulic pump pressure line and install line clamps (see fig. 1). Open fuel shut-off valve. Connect cable to fuel gauge sending unit. Connect air intake pipe at manifold and air filter. Connect headlight cables to junctions. Attach drag link to bell crank and tighten castellated nut to specified torque. Lift and slide radiator into location from the left side of tractor. Slide fan shroud forward over radiator, insert and tighten set screws. Secure radiator to front axle support.
Install upper and lower water hoses. Install hood and radiator side grilles. Fill radiator with clear, soft water, adding an anti-freeze-rust inhibitor mixture (see operators manual). Only on tractors not equipped with oil cooler: Connect oil line to oil reservoir and tighten both hose clamps (see fig. 1). Connect ground strap to battery. Only on tractors equipped with oil cooler: Connect hose elbow between hydraulic oil reservoir and oil cooler at top of oil cooler and return line at bottom of oil cooler. CAUTION: Always connect ground strap to negative(-)pole of battery. Start engine and check fuel lines, hydraulic lines and water hoses for leaks. REMOVING AND INSTALLING ENGINE NOTE:
For most engine service operations the engine need not be removed. However, if the crankshaft has to be removed or in case of major overhaul, remove engine. REMOVAL For safety disconnect ground strap (cable) from battery. Separate front of tractor from engine, as explained previously. On tractors equipped with power steering: Disconnect power steering pressure line at steering housing and hydraulic pump pressure line. On tractors equipped with an alternator: Disconnect cable between alternator and regulator by removing plug at alternator. Immediately connect terminals D+, D and DF with bridge piece supplied with the tractor. Disconnect terminal B+ at alternator. Fig.
4 Separating between Engine and Clutch Housing, R.H. Side 1 Engine attaching screws 2 Flexible shaft of tractormeter 3 Oil pressure switch 4 Starter cable On tractors equipped with a generator: Disconnect cable to starter and generator indicator lamp at regulator. Disconnect all cables at starter (see fig. 4). Disconnect oil pressure switch cable 3 and cable at signal horn. Disconnect flexible shaft of tractormeter 2 at clutch housing and camshaft. If necessary, renew gasket. Printed in Germany