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Mitsubishi S6S User Manual
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INTRODUCTION
This operation and maintenance manual co
ntains detailed operation, inspection
and maintenance infor
mation for engines fr
om Mitsubis
hi Heavy I
ndustries
, Ltd
.
Please read this manu
al thoroughly before
pr
oceeding with operation, inspection,
and maintenance w
ork for correct use and servicin
g.
Failure to follow dir
ections in this ma
nual may result in serious accidents.
1
3
Table of Contents
Default Chapter
3
Limited Warranty
3
Warranted Parts
4
Warranty Coverage
4
Important Information
9
Table of Contents
12
Chapter 1 BASIC SAFETY PRECAUTIONS Fire and Explosions
18
Keep Flames Away
18
Keep Engine Surrounding Area Tidy and Clean
18
Care for Fuel, Oil and Exhaust Gas Leakage
18
Use Explosion-Proof Lighting Apparatus
18
Prevent Electrical Wires from Short-Circuiting
18
Keep Fire Extinguishers and a First-Aid Kit Handy
18
Stay Clear of All Rotating and Moving Parts
19
Install Protective Covers Around Rotating Parts
19
Check Work Area for Safety
19
Stay Clear of Moving Parts While Engine Is Running
19
Lockout and Tagout
19
Keep Engine Stopped During Servicing
19
Always Restore Engine Turning Tools after Use
19
Changing the Engine Speed Setting Is Prohibited
19
Be Careful of Exhaust Fume Poisoning
20
Operate Engine in a Well-Ventilated Area
20
Be Careful of Falling down
20
Lift Engine Carefully
20
Do Not Climb Onto the Engine
20
Always Prepare Stable Scaffold
20
Protect Ears from Noise
21
Wear Ear Plugs
21
Be Careful of Burns
21
Do Not Touch the Engine During or Immediately after Operation
21
Do Not Open the Radiator Filler Cap When the Engine Is Hot
21
Do Not Touch High Pressure Injection Fuel
21
Refill Coolant Only after the Coolant Temperature Dropped
21
Be Careful When Handling Fuel, Engine Oil or LLC
22
Use Only Specified Fuel, Engine Oil and LLC
22
Handle LLC Carefully
22
Proper Disposal of Waste Oil, LLC and Coolant
22
When Abnormality Occurs
22
Do Not Add Coolant Immediately after a Sudden Stop Due to Overheating
22
Avoid Immediate Restart after Abnormal Stop
22
Avoid Continuous Engine Operation at Low Oil Pressure
22
If Belt Breaks, Stop Engine Immediately
22
Service Battery
23
Handle the Battery Correctly
23
Other Cautions
24
Never Modify Engine
24
Observe Safety Rules at Work Site
24
Work Clothing and Protective Gear
24
Never Break Seals
24
Perform All Specified Pre-Operation Inspections and Periodic Inspections
24
Break-In the Engine
24
Warm up the Engine before Use
24
Never Operate the Engine in an Overloaded Condition
24
Conduct Cooling Operation before Stopping the Engine
25
Protection of the Engine against Water Entry
25
Properly Maintain the Air Cleaner and Pre-Cleaner
25
Use of Tools Optimum for each Work
25
Avoidance of Prolonged Time of Starter Operation
25
Do Not Turn off the Battery Switch During Operation
25
Cautionary Instructions for Transporting the Engine
25
Chapter 2 NAME of PARTS
26
Engine External Diagrams
26
Equipment and Instrument
33
Starter Switch
33
Preheat Indicator
33
Water Temperature Meter and Thermo Unit
34
Ammeter
34
Hour Meter
34
Stop Solenoid
35
Engine Protection Devices
36
Oil Pressure Switch
36
Thermo Switch
36
Air Cleaner Indicator
36
Chapter 3 OPERATION
38
Preparations for Operation
38
Engine External - Inspect
38
Battery Electrolyte Level - Inspect
38
Fuel Tank Oil Level - Check
39
Engine Oil Level - Check
39
Coolant Level - Check
40
Starting
41
Warm up Operation
41
Checking Engine Oil Pressure
41
External Inspection During Warm up
41
Operation
42
Cautions When Operating
42
Inspection During Operation
42
Table 3-1 Standard Values at Rated Speed
42
Stopping
43
Inspection after Stopping
43
Chapter 4 FUEL
44
Recommended Fuel
44
Handling Fuel
44
Table 4-1 Recommended Limit and Use Limit of
45
Chapter 5 ENGINE OIL
48
Recommended Engine Oil
48
Selection of Oil Viscosity
48
Handling Engine Oil
48
Engine Oil Performance Requirements
49
Engine Oil Deterioration Mechanisms
49
Definition of Properties of Engine Oil
50
Viscosity
50
Total Base Number
50
Total Acid Number
50
Water Content
50
Flash Point
50
Insoluble
50
Service Limits of Engine Oil
51
Table 5-1 Engine Oil Properties
51
Chapter 6 COOLANT
52
Recommended Water for Coolant
52
Long Life Coolant (LLC)
52
Genuine LLC
52
Glassy - Llc
52
Table 6-1 Water Quality Standards
52
Other Brand Llcs
53
Standard for Other Brand LLC
53
General Demands of LLC
53
LLC Specification
54
Table 6-2 LLC Specification
54
Maintenance of LLC
56
Replacement Intervals of LLC
56
LLC Concentration
56
Table 6-3 Recommended LLC Concentration
56
Importance of LLC
57
Characteristics of LLC Additive and Important Notes
57
Examples of Abnormalities Caused by LLC (Amine Type)
57
Pitting of Iron Parts
57
Corrosion of Aluminum Parts
57
Pitting and Clogging of the Radiator
57
Chapter 7 MAINTENANCE SCHEDULE
58
How to Use the Maintenance Schedule
58
Maintenance Schedule
59
Table 7-1 MAINTENANCE SCHEDULE
59
Chapter 8 PERIODIC INSPECTION and MAINTENANCE PROCEDURES
60
Basic Engine
60
Belt and Belt Tension - Inspect and Adjust
60
Adjust
60
Fuel System
61
Fuel Tank - Drain Water
61
Fuel Filter - Drain Water
62
Fuel System (In-Line Type Fuel Injection Pump) - Bleed Air
63
Fuel Filter - Bleed Air
63
Fuel Injection Pump - Bleed Air
63
Fuel Filter - Bleed Air (1)
63
Fuel Filter - Bleed Air (2)
63
Fuel Filter - Replace
63
Fuel System (Distributor Type Fuel Injection Pump) - Bleed Air
64
Fuel Filter (In-Line Type Fuel Injection Pump) - Replace
65
Fuel Filter
65
Fuel Filter - Replace
65
Fuel Filter (Distributor Type Fuel Injection Pump) - Replace
66
Lubricating System
67
Engine Oil and Oil Filter - Replace
67
Engine Oil Drain Plug
67
Engine Oil - Refill
68
Oil Filter - Change
69
Oil Filter
69
Cooling System
70
Coolant - Change
70
Radiator Filler Cap
70
Coolant Drain Cock (Radiator)
70
Coolant Drain Plug (Engine)
70
Radiator Coolant Level
71
Radiator Fins - Check and Clean
72
Radiator Fins - Clean
72
Inlet and Exhaust Systems
73
Air Cleaner - Check
73
Turbocharger - Inspect
73
Pre-Cleaner - Clean, Inspect and Replace
74
Pre-Cleaner - Clean
74
Air Cleaner Element - Clean, Check and Replace
75
Air Cleaner Element - Remove
75
Check
75
Air Cleaner - Check
75
Electrical System
76
Battery Electrolyte Level - Inspect
76
Specific Gravity of Battery Electrolyte
76
Check
76
Table 8-1 Specific Gravity of Electrolyte
76
Starter - Inspect
77
Alternator - Inspect
77
Chapter 9 LONG-TERM STORAGE
78
Storing the Engine in a Non-Operable Condition for 3 Months or more
78
Preparation for Storage
78
Maintenance During Storage
78
Table 9-1 Recommended Rust-Preventive Oil
78
Using the Engine after Storage
79
Storing the Engine in an Operable Condition for 3 Months or more
79
Operating the Engine for Maintenance
79
Chapter 10
80
Lifting the Engine
80
Hangers
80
Engine's Center of Gravity
80
(Standard Specification)
80
Chapter 11 TROUBLESHOOTING
82
General Precautions
82
Contact a Dealer of Mitsubishi Heavy Industries, Ltd. for Repair Service
82
Considerations before Work
82
Cautions against Contamination
82
Cautions Regarding Parts Handling
82
Work Safety
82
Troubleshooting
83
The Starter Does Not Crank or Cranks Slowly, Resulting in Start Failure
83
The Starter Cranks, but the Engine Does Not Start
83
Table 11-1 the Starter Does Not Crank or Cranks
83
Table 11-2 the Starter Cranks, but the Engine
83
Output Decrease
84
Table 11-3 Output Decrease
84
Exhaust Smoke Is White or Blue
85
Table 11-4 Exhaust Smoke Is White or Blue
85
Exhaust Smoke Is Black or Charcoal
86
Table 11-5 Exhaust Smoke Is Black or Charcoal
86
Fuel Consumption Is High
87
Table 11-6 Fuel Consumption Is High
87
Engine Oil Consumption Is High
88
Table 11-7 Engine Oil Consumption Is High
88
Overheating
89
Low Engine Oil Pressure
89
Table 11-8 Overheating
89
Table 11-9 Low Engine Oil Pressure
89
When Fuel Has Run out
90
Main Specifications
92
Table 12-1 Main Specifications
92
Table 12-2 Main Specifications
93
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Mitsubishi S6S Specifications
General
Brand
Mitsubishi
Model
S6S
Category
Engine
Language
English
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