Caterpillar 3044C Diesel Engines Factory Service & Shop Manual
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Complete workshop reapir service manual with electrical wiring diagrams for Caterpillar 3044C Diesel Engines. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Caterpillar 3044C Diesel Engines service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
RENR7577 - Specifications (3044C Industrial Engine and Engines for Caterpillar Built Machines)
RENR7578 - Systems Operation (3044C Industrial Engine & Engines for Caterpillar Built Machines)
RENR7578 - Testing & Adjusting (3044C Industrial Engine & Engines for Caterpillar Built Machines)
RENR7582 - Disassembly & Assembly (3044C Industrial Engine & Engines for Caterpillar Built Machines)
SENR3981 - Schematic (Fluid Power & Electrical Graphic Symbols)
TABLE OF CONTENTS
RENR7577 - Specifications (3044C Industrial Engine and Engines for Caterpillar Built Machines)....1
Alternator and Regulator....3
Belt Tension Chart....6
Camshaft....8
Connecting Rod Bearing Journal....12
Connecting Rod....17
Crankshaft Pulley....26
Crankshaft Seals....29
Crankshaft....31
Cylinder Block....35
Cylinder Head Valves....42
Cylinder Head....51
Electric Starting Motor....54
Engine Design....56
Engine Oil Bypass Valve....59
Engine Oil Pan....62
Engine Oil Pressure....65
Engine Oil Pump....68
Engine Oil Relief Valve....73
Exhaust Manifold....75
Flywheel....77
Front Housing and Covers....79
Fuel Injection Lines....82
Fuel Injection Nozzles....84
Fuel Injection Pump....91
Fuel Transfer Pump....94
Gear Group (Front)....96
Glow Plugs....99
Lifter Group....102
Main Bearing Journal....104
Piston and Rings....112
Rocker Shaft....124
Valve Mechanism Cover....127
Water Temperature Regulator....129
RENR7578 - Systems Operation (3044C Industrial Engine & Engines for Caterpillar Built Machines)....131
Air Inlet and Exhaust System....132
Basic Engine....137
Cooling System....146
Electrical System....148
Fuel System ....152
Fuel System....160
General Information....168
Lubrication System....176
Naturally Aspirated Engine Views....179
RENR7578 - Testing & Adjusting (3044C Industrial Engine & Engines for Caterpillar Built Machines)....180
Air Inlet and Exhaust System - Inspect....182
Air in Fuel - Test....183
Alternator - Test....186
Battery - Test....188
Compression - Test....189
Connecting Rod - Inspect....192
Connecting Rod Bearings - Inspect....195
Cooling System - Check - Overheating....196
Cooling System - Inspect....201
Cooling System - Test....203
Cylinder Block - Inspect....212
Cylinder Head - Inspect....214
Electric Starting System - Test....217
Engine Crankcase Pressure (Blowby) - Test....218
Engine Oil Cooler - Inspect....220
Engine Oil Pressure - Test....223
Engine Oil Pump - Inspect....225
Engine Valve Lash - Inspect_Adjust....229
Excessive Bearing Wear - Inspect....233
Excessive Engine Oil Consumption - Inspect....234
Exhaust Temperature - Test....235
Finding Top Center Position for No. 1 Piston....236
Flywheel - Inspect....240
Flywheel Housing - Inspect....244
Fuel Injection Nozzle - Test....246
Fuel Injection Timing - Check - Distributor Pump....253
Fuel Quality - Test....258
Fuel System - Inspect....260
Fuel System - Prime - Distributor Pump....261
Gear Group - Inspect....263
Glow Plugs - Test....267
Increased Engine Oil Temperature - Inspect....269
Main Bearings - Inspect....270
Piston Height - Inspect....271
Piston Ring Groove - Inspect....274
Troubleshooting....277
Turbocharger - Inspect....320
Valve Depth - Inspect....326
Valve Guide - Inspect....329
Water Temperature Regulator - Test....331
RENR7582 - Disassembly & Assembly (3044C Industrial Engine & Engines for Caterpillar Built Machines)....333
Bearing Clearance - Check....336
Camshaft - Remove and Install....339
Camshaft Gear - Remove and Install ....343
Connecting Rod Bearings - Install....346
Connecting Rod Bearings - Remove....348
Crankcase Breather - Remove and Install....350
Crankshaft - Install....352
Crankshaft - Remove....357
Crankshaft Front Seal - Install....360
Crankshaft Front Seal - Remove....362
Crankshaft Gear - Remove and Install....364
Crankshaft Main Bearings - Install....367
Crankshaft Main Bearings - Remove....373
Crankshaft Pulley - Remove and Install....377
Crankshaft Rear Seal - Install....380
Crankshaft Rear Seal - Remove....382
Crankshaft Wear Sleeve (Rear) - Install....384
Crankshaft Wear Sleeve (Rear) - Remove....387
Cylinder Head - Install....389
Cylinder Head - Remove....393
Engine Oil Bypass Valve - Remove and Install....397
Engine Oil Cooler - Install....399
Engine Oil Cooler - Remove....401
Engine Oil Filter Base - Remove and Install....404
Engine Oil Pan - Remove and Install ....407
Engine Oil Pressure Switch - Remove and Install....411
Engine Oil Pump - Install....414
Engine Oil Pump - Remove....416
Engine Oil Relief Valve - Remove and Install....418
Exhaust Manifold - Remove and Install....421
Flywheel - Install....424
Flywheel - Remove....427
Flywheel Housing - Remove and Install....430
Front Cover - Remove and Install....433
Fuel Injection Lines - Remove and Install - Naturally Aspirated Engines....435
Fuel Injection Lines - Remove and Install - Turbocharged Engines....439
Fuel Injection Nozzles - Install - Naturally Aspirated Engines....442
Fuel Injection Nozzles - Install - Turbocharged Engines....444
Fuel Injection Nozzles - Remove - Naturally Aspirated Engines....446
Fuel Injection Nozzles - Remove - Turbocharged Engines....448
Fuel Injection Pump - Install....450
Fuel Injection Pump - Remove....453
Glow Plugs - Remove and Install - Naturally Aspirated Engines....456
Glow Plugs - Remove and Install - Turbocharged Engines....459
Housing (Front) - Install....462
Housing (Front) - Remove....464
Idler Gear - Remove and Install....466
Inlet Manifold - Install....470
Inlet Manifold - Remove....472
Inlet and Exhaust Valve Guides - Remove and Install....474
Inlet and Exhaust Valve Seat Inserts - Remove and Install....478
Inlet and Exhaust Valve Springs - Remove and Install....481
Inlet and Exhaust Valves - Remove and Install....487
Lifter Group - Remove and Install....493
Pistons and Connecting Rods - Assemble....496
Pistons and Connecting Rods - Disassemble....500
Pistons and Connecting Rods - Install....502
Pistons and Connecting Rods - Remove....505
Rocker Shaft - Assemble....508
Rocker Shaft - Disassemble....510
Rocker Shaft and Pushrod - Install....512
Rocker Shaft and Pushrod - Remove....514
Turbocharger - Install....516
Turbocharger - Remove....518
Valve Mechanism Cover - Remove and Install....521
Water Pump - Remove and Install....524
Water Temperature Regulator Housing - Remove and Install....527
SENR3981 - Schematic (Fluid Power & Electrical Graphic Symbols)....531
Electrical Power Graphic Symbols....532
Fluid Power Graphic Symbols....542
SENR9823 - Disassembly and Assembly (3044C Engine for Caterpillar Built Machines)....565
Bearing Clearance - Check....567
Camshaft - Remove and Install....570
Camshaft Bearings - Remove and Install....573
Camshaft Gear - Remove and Install....575
Connecting Rod Bearings - Install....578
Connecting Rod Bearings - Remove....580
Crankcase Breather - Remove and Install....582
Crankshaft - Install....584
Crankshaft - Remove....589
Crankshaft Front Seal - Install....592
Crankshaft Front Seal - Remove....594
Crankshaft Gear - Remove and Install....596
Crankshaft Main Bearings - Install....599
Crankshaft Main Bearings - Remove....605
Crankshaft Pulley - Remove and Install....609
Crankshaft Rear Seal - Install....612
Crankshaft Rear Seal - Remove....614
Cylinder Head - Install....616
Cylinder Head - Remove....620
Engine Oil Bypass Valve - Remove and Install....624
Engine Oil Cooler - Install....626
Engine Oil Cooler - Remove....628
Engine Oil Filter Base - Remove and Install....630
Engine Oil Pan - Remove and Install....633
Engine Oil Pump - Install....636
Engine Oil Pump - Remove....638
Engine Oil Relief Valve - Remove and Install....640
Exhaust Manifold - Remove and Install....643
Flywheel - Install....645
Flywheel - Remove....647
Flywheel Housing - Remove and Install....649
Fuel Injection Lines - Remove and Install - Turbocharged Engines....652
Fuel Injection Nozzles - Install - Turbocharged Engines....655
Fuel Injection Nozzles - Remove - Turbocharged Engines....657
Fuel Injection Pump - Install....659
Fuel Injection Pump - Remove....662
Glow Plugs - Remove and Install - Turbocharged Engines....665
Housing (Front) - Install....668
Housing (Front) - Remove....670
Idler Gear - Remove and Install....672
Inlet Manifold - Install....675
Inlet Manifold - Remove....677
Inlet and Exhaust Valve Guides - Remove and Install....679
Inlet and Exhaust Valve Seat Inserts - Remove and Install....683
Inlet and Exhaust Valve Springs - Remove and Install....686
Inlet and Exhaust Valves - Remove and Install....692
Lifter Group - Remove and Install....697
Pistons and Connecting Rods - Assemble....699
Pistons and Connecting Rods - Disassemble....703
Pistons and Connecting Rods - Install....705
Pistons and Connecting Rods - Remove....707
Rocker Shaft - Assemble....710
Rocker Shaft - Disassemble....712
Rocker Shaft and Pushrod - Install....714
Rocker Shaft and Pushrod - Remove....716
Turbocharger - Install....718
Turbocharger - Remove....720
Valve Mechanism Cover - Remove and Install....722
Water Pump - Remove and Install....725
Water Temperature Regulator Housing - Remove and Install....728
EXCERPT:
4. Ensure that timing marks on teeth (4) are in the correct position.
5. Install O-ring seal (3) and cover (1). Install bolts (2) .
6. Check the fuel injection timing. Refer to Testing and Adjusting, "Fuel Injection Timing - Check - Distributor Pump".
End By: Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".
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Caterpillar 3044C Diesel Engines Factory Service & Shop Manual