Hitachi NEXT Series Service Manual

6
2.1.2
Air-Cooled
14
15
13
Air exhaust
Air exhaust Air exhaust
20
17
9
21
53
32
52
11
10
PS2
4
3
5
33
31
TH3
1
PS1
TH4
TH5
63SV
24
22
22
Air intake for
compressed air
38
39
13
35
14
PS4
15
2
Aftercooler condensate drain
Coolin
g
air flow Com
p
ressed air flow Lubricatin
g
oil flow
18
THM
23
23
36
19
6
7
8
34
51
TH2
54
M
Oil drain
Oil drain
Control air for OMR
Air intake for
main motor
Compressed
air discharge
Intercooler
condensate
drain
Compressed Air Flow and Oil Flow
Legend of Sensors and Switches
Symbol Part name
PS2
Pressure Sensor (discharge air pressure)
PS4
Pressure Sensor (oil pressure)
PS1
Pressure Sensor (interstage pressure)
TH2
Temperature Sensor (2nd-stage in)
TH4
Temperature Sensor (1st-stage out)
TH3
Temperature Sensor (2nd-stage out)
TH5
Temperature Sensor (oil)
THM
Temperature Sensor (for main
motor surface temperature)
63SV
Pressure Differential Sensor (For
suction filter clogging detection)
Capacity Control & Blowoff Air Flow
21
Air Intake Filter
22
Blowoff Solenoid Valve (1)
23
Blowoff Solenoid Valve (2)
24
Blowoff Silencer
Oil Flow
31
Oil Strainer
32
Oil Pump
33
Oil Relief Valve
34
Oil Cooler
35
Oil Filter
36
Temperature Control Valve
38
Oil Drain Valve
39
Oil Mist Remover
Air Flow and Other
51
Fan Motor
52
Enclosure
53
Air Intake Duct
54
Cooling fan
Legend of the Diagram
Compressor Air Flow
1 1st-Stage Airend
2 2nd-Stage Airend
3 Gear Case
4 Step-up Gear
5 Main Motor
6 Intercooler
7 Check Valve
8 Aftercooler
9 Air Relief Valve
10 Discharge Port
11 Check Valve
13 Orifi ce
14 Drain Solenoid
15 Y-type Strainer
16 Drain trap
17 Demister
18 Motorized isolation valve
19
Hi-Precooler (only for 125 psi (0.86 MPa type))
20 Drain separator

Hitachi NEXT Series Specifications

General

Brand	Hitachi
Model	NEXT Series
Category	Air Compressor
Language	English