Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110

Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110 - Image 2

Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110 - Image 3

Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110 - Image 4

Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110 - Image 5

caterpillar k15 k21 k25 gasoline engine service manual 99789 85110 2

caterpillar k15 k21 k25 gasoline engine service manual 99789 85110 3

Caterpillar K15, K21, K25 Gasoline Engine Service Manual 99789-85110

$50.00

Type Of Manual: Service Manual
Manual ID: 99789-85110
Number of Pages: 254
Size: 5.0MB
Format: PDF

Category: Caterpillar Service Manual PDF

Model List:
- K15 Gasoline Engine, 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. Safe 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. ocation of engine No.
10. Trouble diagnosis
10.1. Engine Adjust.
10.2. Engine LPG Fuel System
11. Engine maintenance
11.1. Specifications
11.2. Tightening Torque
11.3. Maintenance Schedule
11.4. Maintenance Schedule (Contd)
11.5. Oil and Grease, and Capacity
11.6. On Board Inspection and Service
11.7. Fail-Safe Function
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. Special Service Tools For carburetor model
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
26. Precautions
26.1. General precautions for service operations
27. Preparation
27.1. Special Service Tools
28. Description
29. Basic inspection
29.1. Inspection of Idle Speed, Ignition Timing, and Air-fuel Ratio
29.2. Throttle Valve Closed Position Learning and Idle Air Volume Learning
29.3. Accelerator Pedal Released Position Learning
29.4. Fuel pressure inspection
30. Trouble Diagnosis
30.1. How to Proceed with Trouble Diagnosis
30.2. Diagnosis Chart by Symptom
30.3. Component Parts Location
30.4. ECM Component
30.5. Circuit Diagram
30.6. ECM Terminal Layout
30.7. ECM Input/Output Signal Specifications
30.8. Service Tool (ST)
30.9. Self-Diagnosis Function (Without ST)
30.10. ST Reference Value in Data Monitor
31. Power supply and ground system
31.1. ECM Input/Output Signal Specifications
31.2. Circuit Diagram
32. Crankshaft position sensor (POS) sys tem
32.1. ECM Input/Output Signal Specifications
32.2. Circuit Diagram
32.3. Component Parts Inspection
33. Camshaft position sensor (PHASE) sys tem
33.1. ECM Input/Output Signal Specifications
33.2. Circuit Diagram
33.3. Component Parts Inspection
34. Mass air flow sensor system
34.1. ST Data Monitor Display
34.2. ECM Input/Output Signal Specifications
34.3. Circuit Diagram
34.4. Component Parts Inspection
35. Engine coolant tempera ture sensor system
35.1. ST Data Monitor Display
35.2. ECM Input/Output Signal Specifications
35.3. Circuit Diagram
35.4. Component Parts Inspection
36. Heated oxygen sensor system
36.1. ST Data Monitor Display
36.2. ECM Input/Output Signal Specifications
36.3. Circuit Diagram
37. Throttle position sensor system
37.1. ST Data Monitor Display
37.2. ECM Input/Output Signal Specifications
37.3. Circuit Diagram
37.4. Component Parts Inspection
38. Accelerator pedal position sensor system
38.1. ST Data Monitor Display
38.2. ECM Input/Output Signal Specifications
38.3. Circuit Diagram
38.4. Component Parts Inspection
39. Intake air temperature sensor
39.1. ST Data Monitor Display
39.2. ECM Input/Output Signal Specifications
39.3. Circuit Diagram
39.4. Component Parts Inspection
40. PNP switch system
40.1. ST Data Monitor Display
40.2. ECM Input/Output Signal Specifications
40.3. Circuit Diagram
41. Stop lamp switch system
41.1. ST Data Monitor Display
41.2. ECM Input/Output Signal Specifications
41.3. Circuit Diagram
41.4. Component Parts Inspection
42. Electric load switch system
42.1. ST Data Monitor Display
42.2. ECM Input/Output Signal Specifications
42.3. Circuit Diagram
43. CAN communication system
43.1. ECM Input/Output Signal Specifications
43.2. Circuit Diagram
44. Ignition system
44.1. ST Data Monitor Display
44.2. ECM Input/Output Signal Specifications
44.3. Circuit Diagram
44.4. Component Parts Inspection
45. Fuel injector system
45.1. ST Data Monitor Display
45.2. ECM Input/Output Signal Specifications
45.3. Circuit Diagram
45.4. Component Parts Inspection
46. Fuel pump system
46.1. ST Data Monitor Display
46.2. ECM Input/Output Signal Specifications
46.3. Circuit Diagram
46.4. Component Parts Inspection
47. Throttle control motor system
47.1. ECM Input/Output Signal Specifications
47.2. Circuit Diagram
47.3. Component Parts Inspection
48. Heated oxygen sensor heater system
48.1. ST Data Monitor Display
48.2. ECM Input/Output Signal Specifications
48.3. Circuit Diagram
48.4. Component Parts Inspection
49. PCV gas recirculation device
49.1. System Diagram
49.2. Component Parts Inspection
50. Fuel cut function
50.1. Inspection Procedure
51. Removal and installation of ECM components
51.1. Removal and Installation of ECM
51.2. Removal and Installation of Crankshaft Position Sensor (POS)
51.3. Removal and Installation of Camshaft Position Sensor (PHASE)
51.4. Removal and Installation of Mass Air Flow Sensor
51.5. Removal and Installation of Engine Coolant Temperature Sensor.
51.6. Removal and Installation of Heated Oxygen Sensor (with Heated Oxygen Sensor Heater)
51.7. Removal and Installation of Throttle Position Sensor (Electric Throttle Control Actuator Assembly)
51.8. Removal and Installation of Accelerator Pedal Position Sensor (Accelerator Pedal Assembly)
51.9. Removal and Installation of Intake Air Temperature Sensor (with Mass Air Flow Sensor)
51.10. Removal and Installation of Neutral Switch (M/T Model)
51.11. Removal and Installation of Ignition Coil (with Power Transistor)
51.12. Removal and Installation of Fuel Injector
51.13. Removal and Installation of Fuel Pump
51.14. Removal and Installation of Throttle Control Motor (Electric Throttle Control Actuator Assembly)
51.15. Removal and Installation of LPG Injector Holder
51.16. Standard, Repair Limit
52. Lubrication system
52.1. Specifications
52.2. Adjustment Value
52.3. Oil Pressure
52.4. Tightening Torque
52.5. Trouble Diagnosis
52.6. Lubrication Schematic Diagram
52.7. Oil Pump
53. Engine coolant system
53.1. Specifications
53.2. Adjustment Value
53.3. Tightening Torque
53.4. Trouble Diagnosis
53.5. Cooling System Configuration
53.6. Water Pump
53.7. Thermostat
54. Emission control system (only for electronic controlled type)
55. Unit layout
56. SERVICE DATA AND SPECI FICATIONS (SDS)
56.1. Electronic Control System Specifications
56.2. Carburetor Specifications
57. LPG fuel system trouble diagnosis
58. Disassembly and assembly of fuel system
58.1. Removal and Installation of LPG Injector Drive Unit Connector
58.2. Removal and Installation of Electronic Control Throttle Assembly
58.3. Removal and Installation of Gasoline Fuel Injector (Electronically Controlled Gasoline and Combined Use)
58.4. Injector Holder
58.5. LPG Device Components (Specifications for LPG and Combined Use)
58.6. Components Around Carburetor and Pneumatic Governor (Carburetor Specifications)
59. Vaporizer mechanism and operation
59.1. Primary (Decompression) Room
59.2. Description
59.3. Secondary Valve Room
60. Adjustment value
61. Trouble diagnosis
62. Distributor (Carburetor type)
62.1. Structure
62.2. Disassembly
62.3. Inspection
62.4. Assembly
62.5. Inspection After Assembly
63. Starter motor
63.1. Starter Motor Specifications
63.2. Component Parts Location
63.3. Overhaul
63.4. Assembly Inspection
64. Alternator
64.1. Components of Alternator
64.2. Disassembly
64.3. Inspection

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