Ford 1320 | 1520 | 1620 | 1715 | 1720 Service Manual

1 THIS IS A Manual PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF NEW holland OR IT S SUCCESSORS. NEW holland AND IT S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS Manual . TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS. Service Manual Service Manual 1320, 1520 and 1720NH-S-1320+ ford 1320-1520 AN 1720 TRACT S Repair Manual 40132030 SE 4602 ford NEW holland , INC. NEW holland , PENNSYLVANIA PRINTED IN PART 1 ENGINE SYSTEMS MODELS 1320-1520-1720 Chapter 1 ENGINE AND LUBRICATION SYSTEM Section Page A.

2 DESCRIPTION AND 1 B. ENGINE OVERHAUL.. 2 Chapter 2 COOLING SYSTEM Section Page A. DESCRIPTION AND 33 B. OVERHAUL.. 34 Chapter 3 TROUBLE SHOOTING, SPECIFICATIONS AND SPECIAL TOOLS Section Page A. TROUBLE SHOOTING.. 41 B. SPECIFICATIONS.. 45 C. SPECIAL TOOLS.. 52 D. COMPRESSION TEST AND TOOLS.. 53 PRINTED IN ------------PART 1 -ENGINE SYSTEMS------------Figure 81 Valve Tappet Removal Model 1720 1. Tappets S 17988 Figure 82 Camshaft Removal -Model 1720 1. Tachometer Drive 4. Camshaft 2. Plate 5. Camshaft Gear 3. Governor Flyweight Assembly NOTE: If the camshaft rear bearing is to be remov-ed, separate the engine from the transmission clutch housing and remove the clutch, flywheel and engine rear plate.

3 See "Separating the Trac-tor," Part 12. INSPECTION AND REPAIR 30 1. Place the camshaft in a set of V-blocks and check the runout using a dial indicator, Figure 84. Figure 83 Engine Front Plate Removal 1. Front Plate 2. Gasket Figure 84 Camshaft Runout Check 1. Dial Indicator S 22391 Replace or straighten the camshaft if the runout is greater than .004 ( mm). 2. Using a micrometer, measure the height of the camshaft lobes, Figure 85. Replace the camshaft if any of the cam lobes are worn to less than the following dimensions: Valve lobe .. in. ( mm) Injection pump lobe .. in. ( mm) --------------------------------CHAPTER2 --------------------------------Figure 99 Drive Belt Adjustment 1.

4 Belt Deflection in. (5 mm) INSTALLATION 5 22402 Clean the gasket surfaces and install new gaskets as required. Installation of the thermostat generally follows the removal procedure in reverse. Figure 100 Thermostat Housing Removal 1. Upper Radiator Hose 3. By-Pass Hose 2. Thermostat Housing PRINTED IN Figure 101 Thermostat Removal 1. Thermostat Housing 3. Thermostat 2. Spring 4. Gasket Figure 102 Checking Thermostat Operation 1. Thermometer 3. Thermostat 2. Feeler Gauge 5 16120 NOTE: Adjust the alternator belt adjustment to obtain .200 in. (5 mm) deflection with a force of (1 kg), Figure 99. Fill the radiator to the proper level with the correct grade and quantity of antifreeze mixture.

5 Start the engine and run for several minutes and check for coolant leaks. 39 PART 2 FUEL SYSTE Chapter 1 INJECTION PUMP Section Page A. DESCRIPTION AND 1 B. REMOVAL AND INSTALLATION.. 3 C. TIMING AND GOVERNOR ADJUSTMENTS.. 5 Chapter 2 INJECTORS Section Page A. DESCRIPTION AND 11 B. REMOVAL AND INSTALLATION.. 12 C. OVERHAUL.. 12 Chapter 3 TROUBLE SHOOTING, SPECIFICATIONS AND SPECIAL TOOLS Section Page A. TROUBLE SHOOTING.. 15 B. SPECIFICATIONS.. 18 C. SPECIAL TOOLS.. 19 D. FUEL INJECTION PUMP SPECIFICATIONS.. 19 PRINTED IN PART 3 ELECTRICAL SYSTEM Chapter 1 WIRING, SWITCHES, GLOW PLUGS AND INSTRUMENTATION Section Page A.

6 DESCRIPTION AND 1 B. OVERHAUL.. 7 Chapter 2 BATTERY Section Page A. DESCRIPTION AND 11 B. MAINTENANCE AND TESTS .. , .. 12 Chapter 3 STARTING SYSTEMS Section Page A. STARTING SYSTEM -DESCRIPTION AND OPERATION .. , .. 19 B. STARTING MOTOR .. 21 C. NEUTRAL START SWITCH -DESCRIPTION AND OPERATION.. 30 D. NEUTRAL START SWITCH 31 E. KEY START SWITCH -DESCRIPTION AND OPERATION.. 35 F. KEY START SWITCH 35 PRINTED IN ii Chapter 4 CHARGING SYSTEM Section Page A. DESCRIPTION AND 39 B. PRELIMINARY CHECKS AND ELECTRICAL TESTS.. 41 C. OVERHAUL.. 42 Chapter 5 ENGINE FUEL STOP SOLENOID Section Page A. DESCRIPTION AND OPERATION.

7 51 B. OVERHAUL.. 52 Chapter 6 TROUBLE SHOOTING AND SPECIFICATIONS Section Page A. TROUBLE SHOOTING .. 53 B. SPECIFICATIONS.. 54 PART 4 CLUTCHES Chapter 1 SINGLE CLUTCH Section Page A. DESCRIPTION AND 1 B.. 2 C. OVERHAUL.. 2 Chapter 2 DOUBLE CLUTCH 1320-1520 Section Page A. DESCRIPTION AND 7 B. 7 C. 8 Chapter 3 DOUBLE CLUTCH 1720 Section Page A. DESCRIPTION AND 11 B. ADJUSTMENT.. 12 C. OVERHAUL.. 12 PRINTED IN Chapter 4 SERVICING CLUTCH RELATED COMPONENTS Section Page A. CLUTCH PILOT BEARING -DESCRIPTION AND OVERHAUL.. 15 B. CLUTCH RELEASE BEARING -DESCRIPTION AND OVERHAUL.. 15 C. CLUTCH LINKAGE COMPONENTS -OVERHAUL.

8 16 Chapter 5 TROUBLE SHOOTING AND SPECIFICATIONS Section Page A. TROUBLE SHOOTING.. 19 B. SPECIFICATIONS.. 20 ii --------------------------------CHAPTER2 --------------------------------6. Inspect the hub spline for excess wear. 7. Inspect the cushioning springs for signs of wear or damage. If any damage to the disc is apparent, replace the clutch disc assembly. Figure 11 Double Clutch Assembly 1. Release Levers ASSEMBLY Reference -Figure 12 Assemble the clutch assembly in the following order: 1. Install one diaphragm spring (dome side away from flywheel) in clutch housing. 2. Install PTO pressure plate in clutch housing.

9 3. Install PTO clutch disc with long side of hub away from flywheel. 4. Install bottom half of clutch housing. 5. Install one diaphragm spring (dome side away from flywheel) in clutch housing. 6. Install transmission pressure plate in clutch housing. 7. Install release lever link and pin assemblies. 8. Install the three PTO clutch release bolts into the transmission pressure plate (finger tight only). 9. Install transmission clutch disc between the flywheel and pressure plate, long side of hub away from flywheel. PRINTED IN 10. Position the clutch pressure plate assembly on the flywheel and install the six mounting bolts, Figure 13.

10 11. Use alignment arbor FNH 00077 to align clutch disc with flywheel, Figure 13. 12. Tighten the six mounting bolts evenly to 25 Ibs. ft. (34 Nm). MODEL 1320-1520 5 24172 Figure 12 Double Clutch Assembly 1. Clutch Disc Assy. 7. Diaphragm Spring (Trans. 1320-1520), (PTO 1320-1520), (PTO 1720) (Trans. 1720) 2. Pressure Plate 8. Clutch Cover -(Trans. 1320-1520), (PTO 1720) 3. Diaphragm Spring (Trans. 1320-1520), (PTO 1720) 4. Clutch Cover -Inner 5. Clutch Disc Assy. (PTO 1320-1520) (Trans. 1720) 6. Pressure Plate (PTO 1320-1520) (Trans. 1720) 9. 10. 11. 12. 13. 14. 15. 16. Outer Dowel Pin Dowel Pin Pin Release Lever Adjusting 80lt Link Adjusting 80lt Pin (1320-1520) PART 5 TRANSMISSION SYSTEMS Chapter 1 9 x 3 GEAR TRANSMISSION MODEL 1320-1520 Section Page A.