Model 2120 Tractor Serial No.
61020 L-up Technical Manual TM-4252 (Dec-70) CONTENTS SECTION 10 - GENERAL INFORMATION Group 5 - Specifications Group 10 - Pre-delivery, delivery and after-sales inspections Group 15 - Lubrication and service Group 20 - Engine and tractor tune-up and adjustment Group 25 - Removal and installation of assemblies SECTION 20 - ENGINE Group 5 - General information, diagnosing malfunctions Group 10 - Cylinder head, camshaft and balancer shafts Group 15 - Cylinder block, liners, pistons and connecting rods Group 20 - Crankshaft, crankshaft bearings and flywheel Group 25 - Timing gear train Group 30 - Oil pump, oil pressure regulating valve and oil filter Group 35 - Engine cooling system Group 40 - Speed control SECTION 30 - FUEL SYSTEM Group 5 - Diagnosing malfunctions Group 10 - Fuel tank, transfer pump, fuel filters Group 15 - ROTO-DIESEL injection pump Group 20 - ROOSA-MASTER injection nozzles Group 25 - Cold weather starting aids SECTION 40 - ELECTRICAL SYSTEM Group 5 - Diagnosing malfunctions Group 10 - Components and wiring diagrams SECTION 50 - POWER TRAIN Group 5 - Engine clutch and clutch linkage Group 10 - HIGH-LOW shift unit Group 1 5 - Transmission Group 20 - Differential assembly Group 25 - Final drives Group 30 - Continuous- running power shaft Group 35 - Independent power shaft SECTION 60 - FRONT AXLE, STEERING AND BRAKES Group 5 - Front axle Group 10 - Steering Group 1 5 - Brakes SECTION 70 - HYDRAULIC SYSTEM Group 5 - General information, diagnosing malfunctions, pressure tests Group 10 - Oil reservoir, filter, valves and oil cooler Group 1 5 - Hydraulic pump and transmission oil pump Group 20 - Rockshaft Group 25 - Selective control valves (spool type) Group 30 - Selective control valve (poppet valve type) Group 35 - Remote hydraulic cylinder SECTION 80 - MISCELLANEOUS Group 5 - Belt pulley Group 10 - DE LUXE seat Group 15 - Front and rear wheels Group 20 - Hydraulic hitch Group 25 - Roll guard Printed in Germany