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S12R-Y1PTA
Mitsubishi S12R-Y1PTA User Manual
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2-1
Chapter 2 NAME OF P
ARTS
Engine external diagrams
Engine front
Fig. 2-1 Engine front view
Engine rear
Fig. 2-2 Engine rear view
Oil pan
W
ater pump
Coolant outlet
Oil pump
Breather
Thermostat
Flywheel
Governor actuator
T
urbocharger
T
urbocharger
Exhaust gas outlet
R
o
t
a
t
i
o
n
25
27
Table of Contents
Table of Contents
12
Default Chapter
3
Limited Warranty
3
Warranted Parts
4
Warranty Coverage
4
Warranty Period
4
Important Information
9
Chapter 1
17
BASIC SAFETY PRECAUTIONS Fire and Explosions
17
Keep Flames Away
17
Keep Engine Surrounding Area Tidy and Clean
17
Ventilation of Engine Room
17
Do Not Open Side Cover until Engine Cools
17
Care for Fuel, Oil and Exhaust Gas Leakage
17
Use Explosion-Proof Lighting Apparatus
17
Prevent Electrical Wires from Short-Circuiting
17
Keep Fire Extinguishers and First-Aid Kit Handy
17
Stay Clear of All Rotating and Moving Parts
18
Install Protective Covers Around Rotating Parts
18
Check Work Area for Safety
18
Stay Clear of Moving Parts While Engine Is Running
18
Lockout and Tagout
18
Keep Engine Stopped During Servicing
18
Always Restore Engine Turning Tools after Use
18
Be Careful of Exhaust Fume Poisoning
19
Operate Engine in a Well-Ventilated Area
19
Protect Ears from Noise
19
Wear Ear Plugs
19
Be Careful of Falling down
19
Lift Engine Carefully
19
Do Not Climb Onto the Engine
19
Always Prepare Stable Scaffold
19
Be Careful of Burns
20
Do Not Touch the Engine During or Immediately after Operation
20
Refill Coolant Only after the Coolant Temperature Dropped
20
Never Remove Heat Shields
20
Do Not Open the Radiator Filler Cap When the Engine Is Hot
20
Do Not Touch High Pressure Injection Fuel
20
Be Careful When Handling Fuel, Engine Oil or LLC
21
Use Only Specified Fuel, Engine Oil and LLC
21
Handle LLC Carefully
21
Proper Disposal of Waste Oil, LLC and Coolant
21
When Abnormality Occurs
21
Do Not Add Coolant Immediately after a Sudden Stop Due to Overheating
21
Avoid Immediate Restart after Abnormal Stop
21
Avoid Continuous Engine Operation at Low Oil Pressure
21
If Belt Breaks, Stop Engine Immediately
21
Service Battery
22
Handle the Battery Correctly
22
Other Cautions
23
Never Modify Engine
23
Observe Safety Rules at Work Site
23
Work Clothing and Protective Gear
23
Never Break the Seals
23
Perform All Specified Pre-Operation Inspections and Periodic Inspections
23
Break-In the Engine
23
Warm-Up the Engine before Use
23
Never Operate the Engine in an Overloaded Condition
23
Conduct Cooling Operation before Stopping the Engine
24
Protection of the Engine against Water Entry
24
Conduct Proper Maintenance of Air Cleaner
24
Use of Tools Optimum for each Work
24
Avoidance of Prolonged Time of Starter Operation
24
Do Not Turn off the Battery Switch During Operation
24
Cautionary Instructions for Transporting the Engine
24
Do Not Operate Engine Continuously under Low Load
24
Warning Labels
25
Maintenance of Warning Labels
25
Fig. 1-1 Warning Labels
25
Chapter 2
26
Engine External Diagrams
26
Engine Front
26
Engine Rear
26
Fig. 2-1 Engine Front View
26
Fig. 2-2 Engine Rear View
26
Name of Parts
26
Fig. 2-3 Engine Left View
27
Fig. 2-4 Engine Right View
27
Left View
27
Right View
27
Equipment and Instrument
28
Fig. 2-5 Manual Stop Lever
28
Fig. 2-6 Stop Solenoid
28
Fig. 2-7 Revolution Detection Pickup
28
Instruments
28
Start and Stop Instrument
28
Air Cleaner Indicator
29
Engine Protection Devices
29
Fig. 2-8 Oil Filter Alarm Switch
29
Fig. 2-9 Air Cleaner Indicator
29
Oil Filter Alarm Switch
29
Using Turning Gear
30
Chapter 3 OPERATION
31
Operational Environment
31
Preparation for Operating New or Overhauled Engine
31
Preparation of Fuel System
31
Fig. 3-1 Priming Pump - Handle
32
Fig. 3-2 Fuel Filter - Bleed Air
32
Fig. 3-3 Fuel Injection Pump - Bleed Air
32
Fig. 3-4 Priming Pump Tightening Method
33
Fig. 3-5 Priming Pump Head Packing
33
Preparation of Lubrication System
34
Fig. 3-10 Radiator Coolant Level
35
Fig. 3-11 Reserve Tank Coolant Level
35
Fig. 3-8 Coolant Drain Cock (Engine)
35
Fig. 3-9 Coolant Drain Cock (Water Pump)
35
Preparation of Cooling System
35
Fig. 3-12 Battery Electrolyte Level - Inspect
36
Preparation of Electrical System
36
Test Operation
36
Engine External - Inspect
37
Normal Engine Operation
37
Preparations for Operation
37
Fig. 3-14 Fuel Tank - Drain Water
38
Fuel Tank - Drain Water
38
Fuel Tank Oil Level - Check
38
Engine Oil Level - Check
39
Fig. 3-15 Oil Filler and Oil Level Gauge
39
Coolant Level - Check
40
Fig. 3-16 Radiator Filler Cap
40
Fig. 3-17 Radiator Coolant Level
40
Fig. 3-18 Reserve Tank Coolant Level
40
Fig. 3-19 Fuel Control Link - Check
40
Fuel Control Link - Check
40
Air Cleaner - Check
41
Fig. 3-20 Air Cleaner - Check
41
Fig. 3-21 Thermo Label of Damper
41
Temperature of Damper - Check
41
Checking Engine Oil Pressure
42
External Inspection During Warm-Up
42
Starting
42
Warm-Up Operation
42
Cautions When Operating
43
Inspection During Operation
43
Operation
43
Table 3-1 Standard Values at Rated Speed
43
Emergency Stop
44
Fig. 3-22 Manual Stop Lever
44
Chapter 4 FUEL
45
Inspection after Stopping
44
Stopping
44
Handling Fuel
45
Recommended Fuel
45
Table 4-1 Recommended Fuel
45
Table 4-2 Recommended Limit and Use Limit of
46
Chapter 5
48
Engine Oil
48
Fig. 5-1 Recommended Engine Oil
48
Handling Engine Oil
48
Recommended Engine Oil
48
Selection of Oil Viscosity
48
Engine Oil Deterioration Mechanisms
49
Engine Oil Performance Requirements
49
Definition of Properties of Engine Oil
50
Flash Point
50
Insoluble
50
Kinetic Viscosity
50
Total Acid Number
50
Total Base Number
50
Water Content
50
Engine Oil Analysis Service
51
Service Limits of Engine Oil
51
Table 5-1 Engine Oil Properties
51
Chapter 6 COOLANT
52
Genuine LLC
52
Long Life Coolant (LLC)
52
Recommended Water for Coolant
52
Table 6-1 Water Quality Standards
52
General Demands of LLC
53
Other Brand Llcs
53
Standard for Other Brand LLC
53
LLC Specification
54
Table 6-2 LLC Specification
54
LLC Concentration
56
Maintenance of LLC
56
Replacement Intervals of LLC
56
Table 6-3 Recommended LLC Concentration
56
Characteristics of LLC Additive and Important Notes
57
Corrosion of Aluminum Parts
57
Examples of Abnormalities Caused by LLC (Amine Type)
57
Importance of LLC
57
Pitting and Clogging of the Radiator
57
Chapter 7
58
Pitting of Iron Parts
57
General Definition of Engine
58
How to Use the Maintenance Schedule7-1
58
Maintenance Schedule
58
Periodic Maintenance Chart for Regular Use Engine
59
Default Chapter
59
Table 7-1 Periodic Maintenance Chart for Regular
59
Periodic Maintenance Chart for Emergency Engine
61
Table 7-2 Periodic Maintenance Chart for Emergency
61
Fuel Tank - Drain Water*1
61
Every Month
61
Water Separator - Drain Water*1
61
Valve Clearance - Inspect and Adjust
61
(Check Valve Mechanism at the same Time.)
61
Engine
62
Fuel Filter - Replace
62
Water Separator - Inspect and Replace*1
62
Chapter 8
64
Basic Engine
64
Engine External - Inspect
64
Periodic Inspection and Maintenance Procedures
64
Belt and Belt Tension - Inspect and Adjust
65
Damper - Inspect
66
Damper Temperature Management
67
Table 8-1 Thermo Label for Temperature
67
Fuel System
68
Fuel System - Inspect
68
Fuel Tank - Clean
68
Fuel Tank - Drain Water
68
Fuel Control Link Ball Joint - Inspect
69
Gauze Filter - Clean
69
Pump (Including the Governor)
69
Fuel Filter - Replace
70
Fuel Pipe - Inspect
71
Engine Oil, Oil Filter and Bypass Oil Filter - Replace
72
Lubricating System
72
Engine Oil for Mixing of Fuel and Water - Inspect
75
Oil Pipe - Inspect
75
Coolant - Change
76
Cooling System
76
Radiator Fins - Check and Clean
78
Draining Water from the Exhaust Muffler
79
Inlet and Exhaust Systems
79
Turbocharger - Inspect
79
Air Cleaner Element - Clean, Check and Replace
80
Electrical System
81
Table 8-2 Specific Gravity of Electrolyte
81
Alternator - Inspect
82
Chapter 9
83
Starter - Inspect
82
Long-Term Storage
83
Maintenance During Storage
83
Preparation for Storage
83
Table 9-1 Recommended Rust-Preventive Oil and
83
Corrosion Inhibitor
83
Storing the Engine in an Inoperable Condition for 3 Months or more
83
Operating the Engine for Maintenance
84
Chapter 10 TRANSPORTATION
85
Storing the Engine in an Operable Condition for 3 Months or more
84
Using the Engine after Storage
84
Lifting the Engine
85
Chapter 11
86
Cautions against Contamination
86
Cautions Regarding Parts Handling
86
Considerations before Work
86
Contact a Dealer of Mitsubishi Heavy Industries, Ltd
86
General Precautions
86
Troubleshooting
86
Work Safety
86
Table 11-1 the Starter Does Not Crank or Cranks Slowly
87
Table 11-2 the Starter Cranks, but the Engine Does
87
The Starter Cranks, but the Engine Does Not Start
87
The Starter Does Not Crank or Cranks Slowly, Resulting in Start Failure
87
Troubleshooting
87
Output Decrease
88
Table 11-3 Output Decrease
88
Exhaust Smoke Is White or Blue
89
Table 11-4 Exhaust Smoke Is White or Blue
89
Exhaust Smoke Is Black or Charcoal
90
Table 11-5 Exhaust Smoke Is Black or Charcoal
90
Fuel Consumption Is High
91
Table 11-6 Fuel Consumption Is High
91
Engine Oil Consumption Is High
92
Overheating
92
Table 11-7 Engine Oil Consumption Is High
92
Table 11-8 Overheating
92
Low Engine Oil Pressure
93
Table 11-9 Low Engine Oil Pressure
93
Chapter 12
94
When Fuel Has Run out
93
Main Specifications
94
Oil Filter
94
Table 12-1 Main Specifications
94
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Mitsubishi S12R-Y1PTA Specifications
General
Brand
Mitsubishi
Model
S12R-Y1PTA
Category
Engine
Language
English
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