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S6R2
Mitsubishi S6R2 User Manual
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2-1
Chapter 2 NAME OF P
ARTS
Engine External Diagrams
Lef
t Side
Fig. 2-1 Engine Left Side V
iew
Right Side
Fig. 2-2 Engine Right Side View
Fuel feed pump
Fuel injection pump
Hanger
Oil filler
Bypass oil filter
Oil filter
Hanger
Breather
Fuel filter
Coolant drain cock
Coolant drain cock
Coolant inlet
W
ater pump
Oil cooler
Rear
Front
Oil level gauge
Governor
Governor oil filter
Fuel inlet
Fuel return port
Stop solenoid
Starter
Hanger
Air intake inlet
T
urbocharger
Rear
Front
Alternator
Damper
Name plate
Thermostat
Coolant outlet
Exhaust outlet
Air cooler
Oil pan
Fan
28
30
Table of Contents
Table of Contents
13
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 Air 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
Fig. 1-1 Warning Labels
27
Name of Parts
29
Engine External Diagrams
29
Left Side
29
Right Side
29
Fig. 2-1 Engine Left Side View
29
Fig. 2-2 Engine Right Side View
29
Equipment and Instrument
30
Start and Stop Instrument
30
Fig. 2-3 Start Switch and Stop Switch
30
Fig. 2-5 Stop Solenoid
30
Instruments
31
Fig. 2-6 Oil Pressure Unit
31
Fig. 2-7 Thermo Unit
31
Fig. 2-8 Revolution Detection Pickup
31
Engine Protection Devices
32
Oil Pressure Switch
32
Thermo Switch
32
Oil Filter Alarm Switch
32
Fig. 2-9 Oil Pressure Switch
32
Fig. 2-10 Thermo Switch
32
Fig. 2-11 Oil Filter Alarm Switch
32
Revolution Detection Pickup
33
Air Cleaner Indicator
33
Fig. 2-12 Revolution Detection Pickup
33
Fig. 2-13 Air Cleaner Indicator
33
Using Turning Gear
34
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 Filter - Bleed Air
36
Fig. 3-3 Fuel Injection Pump - Bleed Air
36
Fig. 3-4 Priming Pump Tightening Method
37
Fig. 3-5 Priming Pump Head Packing
37
Preparation of Lubrication System
38
Preparation of Cooling System
39
Fig. 3-8 Radiator Cap
39
Fig. 3-9 Coolant Drain Cock (Engine)
39
Fig. 3-10 Coolant Drain Cock (Water Pump)
39
Preparation of Electrical System
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
Engine Oil Level - Check
43
Fig. 3-13 Fuel Control Link - Check
43
Coolant Level - Check
44
Air Cleaner - Check for Clogging
44
Air Tank - Drain Water
44
Fig. 3-15 Air Cleaner - Check for Clogging
44
Air Tank Air Pressure - Check
45
Temperature of Damper - Check
45
Fig. 3-17 Starting Air Tank Air Pressure
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
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
Engine Oil
53
Recommended Engine Oil
53
Engine Oil Grade
53
Engine Oil Specification
54
Table 5-1 Recommended Limit of Engine Oil
54
Selection of Oil Viscosity
55
Handling Engine Oil
55
Service Limits of Engine Oil
56
Table 5-2 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
Recommended Water for Coolant
59
Long Life Coolant (LLC)
59
Genuine LLC
59
Fig
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 the Heat Exchange Equipment
65
Maintenance Schedule
67
How to Use the Maintenance Schedule7-1
67
General Definition of Engine
68
Periodic Maintenance Chart for Regular Use Engine
69
Check
69
Table 7-1 Periodic Maintenance Chart for
69
Table 7-2 Periodic Maintenance Chart for
70
Fig. 3-11 Battery Electrolyte Level - Inspect
71
Periodic Maintenance Chart for Emergency Engine
71
Table 7-3 Periodic Maintenance Chart for
71
(Check Valve Mechanism at the same Time.)
72
Valve Clearance - Inspect and Adjust
72
Fuel Filter - Replace
73
Water Separator Element - Replace *1
73
Every 1000 Service Hours
75
Gauze Filter - Clean
75
Periodic Maintenance Chart for General Purpose Engine
75
Basic Engine
77
Engine External - Inspect
77
Periodic Inspection and Maintenance Procedures
77
Belt and Belt Tension - Inspect and Adjust
78
Table 8-1 Ribbed Belt Tension Force
79
Damper - Inspect
80
Table 8-2 Damper Temperature Management
80
Table 8-3 Thermo Label for Temperature
81
Fuel System
82
Fuel System - Inspect
82
Fuel Tank - Clean
82
Fuel Tank - Drain Water
82
Water Separator - Drain Water
83
Water Separator Element - Replace
83
Gauze Filter - Clean
84
Pump (Including the Governor)
84
Fuel Filter - Replace
85
Fuel Control Link Ball Joint - Inspect
86
Fuel Pipe - Inspect
87
Engine Oil, Oil Filter and Bypass Oil Filter - Replace
88
Lubricating System
88
Engine Oil for Mixing of Fuel and Water - Inspect
90
Governor Oil Filter - Change
91
Oil Pipe - Inspect
91
Coolant - Change
92
Cooling System
92
Radiator Fins - Check and Clean
94
Exhaust Muffler - Drain Water
95
Inlet and Exhaust Systems
95
Turbocharger - Inspect
95
Air Cleaner - Check for Clogging
96
Air Cleaner Element - Clean, Check and Replace
97
Electrical System
99
Table 8-4 Specific Gravity of Electrolyte
99
Alternator - Inspect
100
Starter - Inspect
100
Air Starter System
101
Air Strainer - Drain Water and Clean
101
Air Tank - Drain Water
101
Air Tank - Inspect Safety Valve Operation
102
Long-Term Storage
103
Maintenance During Storage
103
Preparation for Storage
103
Storing the Engine in an Inoperable Condition for 3 Months or more
103
Table 9-1 Recommended Rust-Preventive Oil
103
Operating the Engine for Maintenance
104
Storing the Engine in an Operable Condition for 3 Months or more
104
Using the Engine after Storage
104
Lifting the Engine
105
Cautions against Contamination
107
Cautions Regarding Parts Handling
107
Considerations before Work
107
Contact a Dealer of Mitsubishi Heavy Industries, Ltd. for Repair Service
107
General Precautions
107
Safety Work
107
Troubleshooting
107
Case of Problems, and Conceivable Causes and Remedies
108
Table 11-1 the Starter Does Not Crank or Cranks
108
The Starter Does Not Crank or Cranks Slowly, Resulting in Start Failure
108
Table 11-2 the Starter Cranks, but the Engine
109
The Starter Cranks, but the Engine Does Not Start
109
Output Decrease
110
Table 11-3 Output Decrease
110
Exhaust Smoke Is White or Blue
111
Table 11-4 Exhaust Smoke Is White or Blue
111
Exhaust Smoke Is Black or Charcoal
112
Table 11-5 Exhaust Smoke Is Black or Charcoal
112
Fuel Consumption Is High
113
Table 11-6 Fuel Consumption Is High
113
Engine Oil Consumption Is High
114
Table 11-7 Engine Oil Consumption Is High
114
Low Engine Oil Pressure
115
Overheating
115
Table 11-8 Overheating
115
Table 11-9 Low Engine Oil Pressure
115
When Fuel Has Run out
116
Main Specifications
117
Oil Filter
117
Table 12-1 Main Specifications
117
5
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Mitsubishi S6R2 Specifications
General
Brand
Mitsubishi
Model
S6R2
Category
Engine
Language
English
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