Nanni DH850-B Manuals

Manuals and User Guides for Nanni DH850-B. We have 1 Nanni DH850-B manual available for free PDF download: Workshop Manual

Nanni DH850-B Workshop Manual (94 pages)

Brand: Nanni | Category: Engine | Size: 13.32 MB

Mechanism
2
Disassembling and Servicing
2
Contents
3
Specifications
4
Performance Curves
6
Dimensions
9
Feature
13
Engine Body
15
Cylinder Block
15
Cylinder Head
15
Crankshaft
16
Piston and Piston Rings
16
Connecting Rod
16
Camshaft
17
Flywheel
17
Rocker Arm
17
Lubricating System
18
General
18
Engine Oil Flow
19
Oil Pump
20
Relief Valve
20
Oil Filter Cartridge
21
Oil Pressure Switch
21
Cooling System
22
Water Pump
22
Thermostat
23
Radiator
23
Radiator Cap
23
Intake/Exhaust System
24
Air Cleaner
24
Muffler
24
Fuel System
25
Injection Pump
25
Pump Element
26
Delivery Valve
26
Injection Control
27
Injection Nozzle
27
No Fuel Delivery
27
Partial Fuel Delivery
27
Fuel Lift Pump
28
Fuel Filter
28
Governor
29
At Start
29
At Idling
29
At High Speed Running with Overload
30
To Stop Engine
30
Electrical System
31
Charging System
31
Alternator
31
Regulator
32
When the Key Switch Is Turned on
32
When the Engine Starts
32
During Charging
33
Prevention of Overcharging
33
Engine Identification
35
Model Name and Engine Serial Number
35
Cylinder Number
35
General Precaution
36
Tightening Torques
37
Troubleshooting
38
Servicing Specifications
40
Maintenance Check List
46
Lubricating Oil
46
Check and Maintenance
47
Daily Check Points
47
Checking Engine Oil Level
47
Checking and Replenish Coolant
47
Check Point of Every 50 Hours
48
Checking Fuel Pipe
48
Check Point of Every 100 Hours
49
Changing Engine Oil
49
Changing Engine Oil Filter Cartridge
49
Checking Fan Belt Tension and Checking Fan Belt Damage
49
Cleaning Fuel Filter
50
Cleaning Air Cleaner
50
Cleaning Air Filter Element
50
Check Point of Every 800 Hours
51
Checking Valve Clearance
51
Check Points of 1000 Hours
52
Checking Nozzle Injection Pressure
52
Socket Wrench
52
Special Tools
52
Oil Pressure Tester
54
Connecting Rod Alignment Tool
54
Press Gauge
54
Red Check
54
Injection Pump Pressure Tester
55
Valve Guide Replacing Tool
55
Idle Gear Bushing Replacing Tool
55
Small End Bushing Replacing Tool
56
Crankshaft Bearing 1 Replacing Tool
56
Flywheel Stopper
56
Compression Pressure
57
Top Clearance
57
Draining Water and Oil
58
External Components
58
Draining Cooling Water and Engine Oil
58
Air Cleaner and Muffler
58
Nozzle Holder Assembly
59
Alternator and Fan Belt
59
Push Rod
59
Tappets
60
Valves
60
Gear Case
61
Governor Spring
62
Speed Control Plate
62
Start Spring
62
Fan Drive Pulley
62
Camshaft Stopper Mounting Screw
64
Cam Gear and Camshaft
64
Fork Lever Assembly
64
Fuel Camshaft
64
Piston Arm
65
Piston
66
Flywheel and Crankshaft
67
Piston Ring and Connecting Rod
67
Starter
67
Crank Gear
68
Bearing Case Cover
69
Main Bearing Case
69
Servicing
70
Cylinder Head Surface Flatness
70
Cylinder Head Flow
70
Valve Recessing
70
Clearance between Valve Stem and Guide
71
Correcting Valve and Valve Seat
71
Correcting Valve
71
Correcting Valve Seat
71
Replacing Valve Guide
72
Free Length and Tilt of Valve Spring
72
Valve Spring Setting Load
72
Oil Clearance of Rocker Arm Shaft and Bearing
72
Timing Gear and Camshaft
73
Push Rod Alignment
73
Timing Gear Backlash
73
End Play of Camshaft
73
Intake and Exhaust Cam Height
74
Oil Clearance of Camshaft Journal
74
Clearance between Idle Gear Shaft and Idle Gear Bushings
74
Replacing Idle Gear Bushings
74
Piston Pin-Bore I.D.
75
Oil Clearance between Piston Pin and Small End Bushing
75
Replacing Connecting Rod Small End Bushing
75
Service Parts Dimension
75
Piston Ring Gap
76
Clearance between Piston Ring and Groove
76
Connecting Rod Alignment
76
End Play of Crankshaft
76
Crankshaft Alignment
77
Oil Clearance between Crank Pin and Crank Pin Bearing
77
Crankshaft Sleeve Wear and Replacing Crankshaft Sleeve
77
Oil Clearance between Crankshaft Journal and Crankshaft Bearing 1
78
Replacing Crankshaft Bearing
78
Undersized and Oversized Bearing
79
Cylinder
80
Cylinder Wear
80
Correcting Cylinder
80
Oversize Cylinder I.D.
80
Cylinder Liner Installation
81
Engine Oil Pressure
82
Oil Strainer
82
Fan Belt
84
Fan Belt Tension
84
Thermostat's Valve Opening Temperature
84
Radiator Water Leakage
85
Radiator Cap Air Leakage
85
Nozzle Injection Pressure
87
Nozzle Operating Condition
87
Fuel Tightness of Needle Valve Seat
87
Nozzle Holder
88
Alternator and Regulator
89
Alternator's no Load Voltage
89
Continuity Across Regulator Terminals
89
Motor Test
89
Glow Plug
90
Magnet Switch
90
Brush Holder
91
Armature
91
Commutator and Mica
91
Brush Wear
92

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Nanni DH850-B Workshop Manual (94 pages)

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