Caterpillar K21, K25 Gasoline Engine Service Manual 99789-80110

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Caterpillar K21, K25 Gasoline Engine Service Manual 99789-80110

$50.00

Type Of Manual: Service Manual
Manual ID: 99789-80110
Number of Pages: 214
Size: 4.6MB
Format: PDF

Category: Caterpillar Service Manual PDF

Model List:
- K21 Gasoline Engine, K25 Gasoline Engine

1. How to use this manual
1.1. Description
1.2. Definition of Terms
1.3. Definition of Units
1.4. Description
2. Precautions for safety and quality
2.1. Reduction of Risk Operation
2.2. Correct Operation
2.3. Precautions for Radio Equipment Installation
3. Precautions
3.1. Precautions in Draining Engine Coolant
3.2. Precautions for Disconnecting Fuel Piping
3.3. Precautions for Removing and Disassembling
3.4. Precautions for Inspection, Correction, and Replacement
3.5. Precautions for Assembly and Installation
3.6. Parts Requiring Angle Tightening
3.7. Caution for Use of Power Tools
3.8. Precautions for Liquid Gasket Application
4. Tightening torque
4.1. Standard Bolt Tightening Torque
4.2. Engine Part Tightening Torque
5. Special Service Tools
6. Engine outside drawings
7. MAIN SPECIFICATIONS
8. Standard and repair limit
9. STAMPED LOCATION OF ENGINE NO.
10. Trouble diagnosis
10.1. Engine Adjustment
10.2. Engine LPG Fuel System
11. Engine maintenance
11.1. Specifications
11.2. Tightening Torque
11.3. Maintenance Schedule
11.4. Oil and Grease, and Capacity
11.5. On Board Inspection and Service
12. Specifications
13. Tightening torque
14. Trouble diagnosis
15. ENGINE INSPECTION AND ADJUSTMENT
15.1. Engine Body Related
15.2. Ignition and Fuel Systems
16. SERVICE DATA AND SPECIFICATIONS (SDS)
16.1. Electronic Control System Specifications
17. Precautions
17.1. Precautions for Draining Engine Coolant
17.2. Precautions for Disconnecting Fuel Piping
17.3. Precautions for Removing and Disassembling
17.4. Precautions for Inspection, Correction, and Replacement
17.5. Precautions for Assembly and Installation
17.6. Parts Requiring Angle Tightening
17.7. Caution for Use of Power Tools
17.8. Precautions for Liquid Gasket Application
18. ENGINE OUTSIDE DRAWINGS
19. MAIN SPECIFICATIONS
20. ADJUSTMENT value
21. Tightening torque
21.1. Standard Bolt Tightening Torque
21.2. Engine Part Tightening Torque
22. Trouble diagnosis
23. Special Service Tools
24. Removal and installation of engine
24.1. Removal
24.2. Installation
24.3. Inspection
25. Engine service
25.1. Engine Disassembly
25.2. Inspection and Correction
25.3. Engine Assembly
25.4. Engine Assembly (Contd)
26. Precautions
26.1. On Board Diagnostic (OBD) System of Engine
26.2. Precaution
27. Preparation
28. preparation
28.1. Special Service Tools
29. Description
29.1. Description
30. trouble diagnosis
30.1. Component Parts Location
30.2. ECM Component
30.3. Circuit Diagram
30.4. ECM Terminal
31. Trouble Diagnosis
31.1. How to Proceed with Trouble Diagnosis
31.2. Diagnosis Chart by Symptom
31.3. Description
31.4. Fail-Safe Function
31.5. Table of DTC
31.6. Service Tool
31.7. Self-Diagnosis Function (Without Service tool)
31.8. ECM Input/Output Monitor
31.9. ECM Active Test
32. Basic inspection
32.1. Inspection of Idle Speed and Ignition Timing
32.2. Throttle Valve Closed Position Learning and Idle Air Volume Learning
32.3. Accelerator Pedal Released Position Learning
32.4. Fuel Pressure Inspection
32.5. Fuel Pressure Release
33. COMPONENT PARTS INSPECTION
33.1. Crankshaft Position Sensor (POS)
33.2. Camshaft Position Sensor (PHASE)
33.3. Mass Air Flow Sensor
33.4. Engine Coolant Temperature Sensor
33.5. Throttle Position Sensor 1, 2 (Electric throttle control actuator assembly)
34. Component Parts Inspection
34.1. Accelerator Pedal Position Sensors 1, 2 (Accelerator work unit)
34.2. Intake Air Temperature Sensor (Joined with mass air flow sensor)
34.3. Stop Lamp Switch
34.4. Spark Plug
34.5. Ignition Coil
34.6. Injector
34.7. Fuel Pump
34.8. Electric Throttle Control Motor (Electric throttle control actuator assembly)
34.9. Heated Oxygen Sensor
34.10. Map Sensor (Atmosphere Pressure Sensor)
34.11. LPG Injector
34.12. LPG Assistance Injector
34.13. PTC Heater (Integrated with vaporizer)
35. pcv gas recirculation devi
35.1. System Diagram
35.2. Component Parts Inspection
36. ECM components
36.1. Removal and Installation
37. Lubrication system
37.1. Specifications
37.2. Adjustment Value
37.3. Oil Pressure
37.4. Tightening Torque
37.5. Trouble Diagnosis
37.6. Lubrication Schematic Diagram
37.7. Oil Pump
38. Engine coolant system
38.1. Specifications
38.2. Adjustment Value
38.3. Tightening Torque
38.4. Trouble Diagnosis
38.5. Cooling System Configuration
38.6. Water Pump
38.7. Thermostat
39. Emission control system
40. ENGINE OUTSIDE DRAWINGS
41. SYSTEM DIAGRAM
42. UNIT LAYOUT
43. LPG FUEL SYSTEM TROUBLE DIAGNOSIS
44. DISASSEMBLY AND ASSEMBLY OF FUEL SYSTEM
44.1. Removal and Installation of Electronic Control Throttle Assembly
44.2. Removal and Installation of Gasoline Fuel Injector (Electronic Controlled Gasoline and Combined Use)
44.3. LPG device (Specifications for LPG and combined use)
44.4. Vaporizer Mechanism and Operation
45. DISASSEMBLY AND ASSEMBLY OF INJECTOR HOLDER
45.1. LPG Fuel Injector
45.2. LPG Assist Fuel Injector
45.3. LPG Fuel Pressure Sensor
45.4. Relief Valve (2 Relief Valves)
46. DISASSEMBLY AND ASSEMBLY OF VAPORIZER
46.1. Tar drain, Removal, Installation, Disassem- bly and Inspection of Vaporizer
47. Adjustment value
48. Trouble diagnosis
49. Starter motor
49.1. Specifications
49.2. Components
49.3. Component Parts Location
49.4. Overhaul
49.5. Assembly Inspection
50. ALTERNATOR
50.1. Components of Alternator
50.2. Disassembly
50.3. Inspection

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