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NEXT Series
Hitachi NEXT Series Service Manual
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Confidential
DSP
-45WT6N
DSP
-55WT6N
DSP
-75WT6N
DSP
-55VWTN
DSP
-75VWTN
“Instructions for the use of this manual”
Use this Service Manual in conjunction with Instruction Manual.
HIT
ACHI
OIL-FREE SCREW COMPRESSOR
NEXT series
W
ater-Cooled
DSP–017
Mechanical SERVICE MANU
AL
DSP
-45A
T6N
DSP
-55A
T6N
DSP
-75A
T6N
DSP
-55V
A
TN
DSP
-75V
A
TN
Air-Cooled
2
Table of Contents
Table of Contents
2
General Description
3
Appearance Air-Cooled
3
Components [Air-Cooled]
4
Appearance Water-Cooled
5
Components [Water-Cooled]
6
Flow Diagram
7
Flow Diagram [Air-Cooled]
7
Flow Diagram [Water-Cooled]
9
Capacity Control System Standard
12
Maintenance
15
Standard Maintenance Schedule
15
Maintenance Schedule for Oil Mist Remover
19
How to Service the Air Compressor
20
Replacement of Air Intake Filter (Bi-Annually)
20
Condensate Drain Port (Intercooler/Aftercooler) (Daily Check) Clean the Strainer Elements (Bi-Annually) & Orifices (Annually)
21
Lubricating Oil Replacement (Annually)
25
Cleaning of Oil Strainer (Primary Side) (Bi-Annually)
26
Replacement of Oil Filter (Secondary Side) (Annually)
26
Operation Check of Air Relief Valve (Bi-Annually)
27
Cleaning of Control Line Filter (Bi-Annually) [Fixed Speed Type]
27
Clean Cooler (Annually)
28
Replacement of Check Valve (2-Yearly)
29
Main Motor Greasing
30
Maintenance of Main Motor
31
Maintenance of Oil Mist Remover
32
Maintenance of Cooling Fan and Cooling Fan Motor
33
The Procedure to Attach the Motor Cover [Water-Cooled]
34
Maintenance of Oil Pump
36
Maintenance of Suction Throttle Valve
39
Oil Pump Motor and Airend Removal
45
Oil Casing and Gear Casing Removal
47
Main Motor Removal
48
Replace the Bushing
50
Pinion Gear Replacement Procedure
54
Battery Replacement (6-Yearly)
56
Inspection of Thermistor and Pressure Sensor
57
Parts List
59
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Instruction Manual
144 pages
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Hitachi NEXT Series Specifications
General
Brand
Hitachi
Model
NEXT Series
Category
Air Compressor
Language
English
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