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Mitsubishi S12A2-PTA2 manual available for free PDF download: Operation & Maintenance Manual
Mitsubishi S12A2-PTA2 Operation & Maintenance Manual (90 pages)
Diesel Engine
Brand:
Mitsubishi
| Category:
Engine
| Size: 4.43 MB
Table of Contents
Limited Warranty
4
Important Information
10
Table of Contents
13
Chapter 1 BASIC SAFETY PRECAUTIONS Fire and Explosions
19
Keep Flames Away
19
Always Swich the Water Heater on (Emergency Generator with Water Heater)
19
Keep Engine Surrounding Area Tidy and Clean1-1
19
Ventilation of Engine Room
19
Do Not Open Side Cover until Engine Cools
19
Care for Fuel, Oil and Exhaust Gas Leakage
19
Use Explosion-Proof Lighting Apparatus
19
Prevent Electrical Wires from Short-Circuiting
19
Keep Fire Extinguishers and a First-Aid Kit Handy
19
Stay Clear of All Rotating and Moving Parts
20
Install Protective Covers Around Rotating Parts1-2
20
Check Work Area for Safety
20
Stay Clear of Moving Parts While Engine Is Running
20
Lockout and Tagout
20
Keep Engine Stopped During Servicing
20
Always Restore Engine Turning Tools after Use1-2
20
Be Careful of Exhaust Fume Poisoning1-3
21
Operate Engine in a Well-Ventilated Area
21
Protect Ears from Noise
21
Wear Ear Plugs
21
Be Careful of Falling down
21
Lift Engine Carefully
21
Do Not Climb Onto the Engine
21
Always Prepare Stable Scaffold
21
Be Careful of Burns
22
Do Not Touch the Engine During or Immediately after Operation
22
Refill Coolant Only after the Coolant Temperature Dropped
22
Be Careful of Burns When Changing Oil
22
Never Remove Heat Shields
22
Be Careful of Opening and Closing Radiator Cap
22
Do Not Touch High Pressure Injection Fuel
22
Be Careful When Handling Fuel, Engine Oil or LLC
23
Use Only Specified Fuel, Engine Oil and LLC
23
Handle LLC Carefully
23
Proper Disposal of Waste Oil, LLC and Coolant1-5
23
When Abnormality Occurs
23
Do Not Add Coolant Immediately after a Sudden Stop Due to Overheating
23
Stop Operation Immediately if You Notice any Unusual Symptoms
23
Avoid Immediate Restart after Abnormal Stop
23
Avoid Continuous Engine Operation at Low Oil Pressure
23
If Belt Breaks, Stop Engine Immediately
23
Battery
24
Handle the Battery Correctly
24
Other Cautions
25
Never Modify Engine
25
Observe Safety Rules at Work Site
25
Work Clothing and Protective Gear
25
Never Break Seals
25
Perform All Specified Pre-Operation Inspections and Periodic Inspections
25
Break-In the Engine
25
Warm-Up the Engine before Use
25
Never Operate the Engine in an Overloaded Condition
25
Conduct Cooling Operation before Stopping the Engine
26
Do Not Operate Engine Continuously under Low Load
26
Protection of the Engine against Water Entry
26
Conduct Proper Maintenance of Pre-Cleaner
26
Use of Tools Optimum for each Work
26
Avoidance of Prolonged Time of Starter Operation
26
Do Not Turn off the Battery Switch During Operation
26
Cautionary Instructions for Transporting the Engine
26
Warning Labels
27
Maintenance of Warning Labels
27
Chapter 2 NAME of PARTS
29
Engine External Diagrams
29
Front Face
29
Rear Face
29
Fig. 2-1 Engine Front View
29
Fig. 2-2 Engine Rear View
29
Left Side
30
Right Side
30
Fig. 2-3 Engine Left Side View
30
Fig. 2-4 Engine Right Side View
30
Equipment and Instrument
31
Start and Stop Instrument
31
Fig. 2-6 Stop Solenoid
31
Instruments
32
Fig. 2-7 Oil Pressure Unit
32
Fig. 2-8 Revolution Detection Pickup
32
Engine Protection Devices
33
Oil Pressure Switch
33
Oil Filter Alarm Switch
33
Fig. 2-9 Oil Pressure Switch
33
Fig. 2-10 Oil Filter Alarm Switch
33
Chapter 3 OPERATION
35
Operational Environment
35
Preparation for Operating New or Overhauled Engine
35
Preparation of Fuel System
35
Fig. 3-1 Priming Pump - Handle
36
Fig. 3-2 Fuel Filters (Wire-Element Type)
36
Fig. 3-3 Fuel Filter - Bleed Air
36
Fig. 3-4 Fuel Injection Pump - Bleed Air
37
Fig. 3-5 Priming Pump Tightening Method
37
Fig. 3-6 Priming Pump Head Packing
37
Preparation of Lubrication System
38
Preparation of Cooling System
39
Fig. 3-9 Radiator Cap
39
Fig. 3-10 Coolant Drain Cock (Engine)
39
Fig. 3-11 Coolant Drain Cock (Water Pump)
39
Preparation of Electrical System
40
Fig. 3-12 Battery Electrolyte Level - Inspect
40
Test Operation
41
Normal Engine Operation
42
Preparations for Operation
42
Engine External - Inspect
42
Fuel Tank Oil Level - Check
43
Fuel Control Link - Check
43
Fig. 3-14 Fuel Control Link - Check
43
Engine Oil Level - Check
44
Coolant Level - Check
45
Temperature of Damper - Check
45
Fig. 3-16 Thermo Label of Damper
45
Start
46
Warming-Up Operation
46
Checking Engine Oil Pressure
46
External Inspection During Warm-Up
46
Run
47
Cautions During Operation
47
Inspection During Operation
47
Table 3-1 Inspection During Operation
47
Stop
48
Emergency Stop
48
Inspection after Stopping
48
Fig. 3-17 Manual Stop Lever
48
Chapter 4 FUEL
49
Recommended Fuel
49
Handling Fuel
49
Table 4-1 Recommended Fuel
49
Fuel Specification
50
Table 4-2 Recommended Limit and Use Limit of
50
Chapter 5 ENGINE OIL
53
Recommended Engine Oil
53
Engine Oil Grade
53
Fig. 5-1 Engine Oil Grade
53
Engine Oil Specification
54
Table 5-1 Table of Recommended Limit of
54
Selection of Oil Viscosity
55
Handling Engine Oil
55
Fig. 5-2 Selection of Oil Viscosity
55
Service Limits of Engine Oil
56
Table 5-2 Table of Engine Oil Properties
56
Definition of Properties of Engine Oil
57
Kinetic Viscosity
57
Base Number
57
Acid Number
57
Water Content
57
Flash Point
57
Insoluble
57
Engine Oil Analysis Service
58
Chapter 6 COOLANT
59
Recommended Water for Coolant
59
Long Life Coolant (LLC)
59
Genuine LLC
59
Fig. 6-1 GLASSY - LLC
59
Table 6-1 Water Quality Standards
59
Other Brand Llcs
60
Standard for Other Brand LLC
60
General Demands of LLC
60
LLC Specification
61
Table 6-2 LLC Specification
61
Maintenance of LLC
64
Replacement Intervals of LLC
64
LLC Concentration
64
Table 6-3 Recommended LLC Concentration
64
Importance of LLC
65
Characteristics of LLC Additive and Important Notes
65
Examples of Abnormalities Caused by LLC (Amine Type)
65
Pitting of Iron Parts
65
Corrosion of Aluminum Parts
65
Pitting and Clogging of Radiator
65
Chapter 7 MAINTENANCE SCHEDULE
67
How to Use the Maintenance Schedule7-1
67
General Definition of Engine
67
Periodic Maintenance Chart for Regular Use Engine
68
Table 7-1 Periodic Maintenance Chart for
68
Table 7-2 Periodic Maintenance Chart for
69
Periodic Maintenance Chart for Emergency Engine
70
Belt and Belt Tension - Inspect and Adjust
71
Fuel System
71
Fuel Tank - Drain Water
71
Fuel Filters (Wire-Element Type) - Drain Water
71
Engine Oil Properties
71
Chapter 8 PERIODIC INSPECTION and TRANSPORTATION MAINTENANCE PROCEDURES
71
Basic Engine
71
Inside of Fuel Filters (Wire-Element Type) - Clean
72
Chapter 9 LONG-TERM STORAGE
75
Storing the Engine in an Inoperable
75
Preparation for Storage
75
Maintenance During Storage
75
Table 9-1 Recommended Rust-Preventive Oil and
75
Using the Engine after Storage
76
Storing the Engine in an Operable
76
Operating the Engine for Maintenance
76
Chapter 10
77
Lifting the Engine
77
Chapter 11 TROUBLESHOOTING
79
General Precautions
79
Contact a Dealer of Mitsubishi Heavy Industries, Ltd. for Repair Service
79
Considerations before Work
79
Cautions against Contamination
79
Cautions Regarding Parts Handling
79
Safety Work
79
Case of Problems, and Conceivable Causes and Remedies
80
The Starter Does Not Crank or Cranks Slowly, Resulting in Start Failure
80
Table 11-1 the Starter Does Not Crank or Cranks
80
The Starter Cranks, but the Engine Does Not Start
81
Table 11-2 the Starter Cranks
81
Output Decrease
82
Table 11-3 Output Decrease
82
Exhaust Smoke Is White or Blue
83
Table 11-4 Exhaust Smoke Is White or Blue
83
Exhaust Smoke Is Black or Charcoal
84
Table 11-5 Exhaust Smoke Is Black or Charcoal
84
Fuel Consumption Is High
85
Table 11-6 Fuel Consumption Is High
85
Engine Oil Consumption Is High
86
Table 11-7 Engine Oil Consumption Is High
86
Overheating
87
Low Engine Oil Pressure
87
Table 11-8 Overheating
87
Table 11-9 Low Engine Oil Pressure
87
When Fuel Has Run out
88
Chapter 12
89
Main Specifications
89
Table 12-1 Main Specifications
89
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