Model 2120 Tractor TM-4252 (Dec-70) General Information 10 Separating Assemblies 25-7 Make sure clutch housing is flush against transmis¬ sion case before tightening cap screws to the specified torque. On tractors not equipped with HIGH-LOW Shift unit: Ensure check valve is installed in feed line to hydraulic pump before connecting. NOTE: Before inserting the third retaining screw in clutch housing (see arrow, fig. 6) coat it with a film of oil-resistant sealant. Connect hydraulic pump pressure line. NOTE: If clutch housing has also been separated from engine, assemble as explained under " Instal¬ lation of Engine. " On tractors equipped with power steering:
Con¬ nect power steering pressure line. Insert hydraulic pump inlet line (see 5, fig. 2) and oil cooler return line 3* in bore of clutch housing and secure by means of screw and retainer. Tighten screw to correct torque. * Oil reservoir when not equipped with oil cooler. As regards further installation operations reverse removal procedure. CAUTION: Connect ground cable of batteries to negative(-)poles. REMOVAL AND INSTALLATION OF FINAL DRIVES REMOVAL NOTE: The removal of both final drives is explained below. If only one final drive is to be removed, remove only one wheel, wiring harness etc. For safety disconnect ground strap at batteries.
Lift up rear of tractor by means of a suitable jack or hoist and remove rear wheels. CAUTION: Support transmission safely to prevent tipping of tractor. Disconnect connectors. both rear wiring harnesses at Fig. 8 Removing Final Drive Remove rear fenders and roll-over guard. 1 Final drive housing 2 Pressure ring 3 Brake disk 4 Final drive shaft 5 Brake housing Remove selective control valve(s). Disconnect cables at stop light switch located in left-hand rear axle housing. Disconnect brake lines on both brake housings. On tractors equipped with selective control valve(s):
Disconnect hydraulic lines and remove two screws securing the bracket* or hydraulic manifold** onto the right-hand final drive assembly. Cover connections and exposed openings with plastic plugs or caps to prevent particles of dirt from entering the system. * On earlier tractors ** On later tractors Printed in Germany