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COMPLETE CONTENTS
SECTION 00 - GENERAL INFORMATION
SECTION 10 - ENGINE
SECTION 18 - CLUTCH
SECTION 21 - TRANSMISSION
SECTION 23 - FWD DRIVELINE
SECTION 25 - FWD FRONT AXLE
SECTION 27 - DIFFERENTIAL, REAR AXLE
SECTION 31 - POWER TAKE-OFF (PTO)
SECTION 33 - BRAKES
SECTION 35 - HYDRAULIC SYSTEM
SECTION 41 - STEERING
SECTION 44 - WHEELS AND TIRES
SECTION 55 - ELECTRICAL SYSTEM
SECTION 90 - PLATFORM
The following pages are the collation of the contents pages from each section and
chapter of the TC48DA, TC55DA Repair manual. Complete Repair part # 87357371.
The sections used through out all New Holland product Repair manuals may not be
used for each product. Each Repair manual will be made up of one or several books.
Each book will be labeled as to which sections are in the overall Repair manual and
which sections are in each book.
The sections listed above are the sections utilized for the TC48DA, TC55DA Tractors.
©
2005 CNH America LLC
Printed In U.S.A.
TC48DA, TC55DA
REPAIR MANUAL
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87357376
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Summary of Contents for New Holland TC48DA
- Page 1 TC48DA, TC55DA Repair manual. Complete Repair part # 87357371. The sections used through out all New Holland product Repair manuals may not be used for each product. Each Repair manual will be made up of one or several books.
- Page 2 SECTION 00 - GENERAL INFORMATION - CHAPTER 1 SECTION 00 - GENERAL INFORMATION Chapter 1 - General Information CONTENTS Section Description Page Precautionary Statements ............Safety .
- Page 3 See the list of decals in the Decal alter this tractor or any of its components or section of this manual. functions without first consulting a New Holland SERVICING THE TRACTOR Dealer. 1. The cooling system operates under pressure 8.
- Page 4 3. Do not bypass the neutral start switches. Consult 3. To provide two-wheel braking, lock tractor brake your New Holland Dealer if your neutral start pedals together when transporting on roads. controls malfunction. Use jumper cables only in 4.
- Page 5 4. To avoid injury, do not clean, adjust, unclog, or SAFETY FRAME (ROPS) service PTO driven equipment when the tractor Your New Holland tractor is equipped with a safety engine is running. frame. It must be maintained in a serviceable 5.
- Page 6 SECTION 10 - ENGINE - CHAPTER 1 SECTION 10 - ENGINE Chapter 1 - Engine Dismantling Sequence CONTENTS Section Description Page Specifications ..............Metric Bolt Torque Specifications .
- Page 7 SECTION 10 - ENGINE - CHAPTER 1 Section Description Page Cylinder Head ............Removal .
- Page 8 SECTION 10 - ENGINE - CHAPTER 1 Section Description Page Valves ..............Valve Guides .
- Page 9 SECTION 10 - ENGINE - CHAPTER 1 Section Description Page 10 110 Balancer Assembly ............Installation .
- Page 10 SECTION 10 - ENGINE - CHAPTER 1 Section Description Page Hydraulic Oil Pump ............Installation .
- Page 11 SECTION 10 - ENGINE - CHAPTER 1 MODEL N844L - TC48DA 10044351 10044352 MODEL N844L-TC - TC55DA 20035585 10-19...
- Page 12 SECTION 10 - ENGINE - CHAPTER 1 ENGINE emoval 1. Disconnect the negative (--) battery cable, 1, and positive (+) battery cable, 2, from the battery. 10032806 2. Disconnect the headlight wire harness plug, 1. 3. Remove the clips and pins, 2, from each side of the hood bracket.
- Page 13 SECTION 10 - ENGINE - CHAPTER 1 7. Loosen and remove the drain plug, 1, from the power steering reservoir, 2, and drain into a suitable container. NOTE: See separating the tractor at the transmis- sion in Section 21 to separate the tractor. 10032804 8.
- Page 14 SECTION 10 - ENGINE - CHAPTER 1 OVERHAUL ENGINE NOTE: Some procedures discussed in this chapter are shown with the engine in the tractor. Many of the procedures can be done with the engine in or out of the tractor. ALTERNATOR Removal Disconnect the alternator wire harness and wires, 1.
- Page 15 SECTION 10 - ENGINE - CHAPTER 1 NOZZLE/HOLDER Removal Remove the nozzle and holder assembly with a socket for the nozzle holder. FUEL INJECTION PIPE Removal 1. Loosen the fuel pipe nuts from the fuel injection pump and injectors, 1. Remove the pipes as an assembly.
- Page 16 SECTION 10 - ENGINE - CHAPTER 1 COVER/INTAKE MANIFOLD/EXHAUST MANIFOLD Removal Remove the intake manifold, 1, spacer, 2, and exhaust manifold, 3. For the N844L-TC turbocharged engine, refer to the turbocharger section of the manual for removal and replacement. Loosen and remove four cap nuts with washers. Remove the head cover assembly, 1.
- Page 17 SECTION 10 - ENGINE - CHAPTER 1 ROCKER ASSEMBLY Removal 1. Loosen and remove nuts, lock washers, and flat washers from the rocker pillar stud, 1. Lift the rocker assembly, 2. 2. Remove the push rods, 3, and valve stem caps, CYLINDER HEAD Removal Loosen the cylinder head bolts, starting from the...
- Page 18 SECTION 10 - ENGINE - CHAPTER 1 FUEL STOP SOLENOID Removal Unscrew the stop solenoid, and remove from the engine block. TIMING GEAR COVER Removal 1. Drain the engine crankcase oil. 2. Remove the injection pump mounting nuts and raise the injection pump, 1, enough to remove the spring pin, 2, and separate the governor link from the control rack.
- Page 19 SECTION 10 - ENGINE - CHAPTER 1 3. Loosen the hose clamp, 1, on the suction hose, 2, and remove the suction hose from the steering pump, 3. 4. Remove the pressure tube, 4, from the bottom of the steering pump. 30996355 5.
- Page 20 SECTION 10 - ENGINE - CHAPTER 1 7. Remove the retaining nut, 1. Pull crankshaft pulley, 2, off of crankshaft, 3. Remove key, 4, from crankshaft. 20002373 8. Remove the retaining bolts, 1, and lift the cover, 2, off the locating dowels. Op.
- Page 21 SECTION 10 - ENGINE - CHAPTER 1 2. Remove the two bolts, 1, securing the keeper plate, 2. One must be accessed using the access hole, 3, in the cam gear. 3. Slide the camshaft and gear out of the camshaft bore.