Compressed Air Flow And Oil Flow - Hitachi NEXT Series Instruction Manual

8. STANDARD COMPONENTS AND SUBSYSTEMS [Air/Oil/Water Flow]
Flow Diagram (Fixed speed type)

Compressed Air Flow and Oil Flow

16
PS2
10
9
M
Discharge
13
15
14
PS2
TH3
38
TH4
13
14 15
Cooling Water Flow
PS2
M
Discharge
Cooling Water Out
1st-Stage
Air-End
2nd-Stage
Air-End
64
Water-Cooled
Exhaust
24
8
21
22
37
63SV
23
PS4
4
MOHR
1
32
2
3
TH5
33
31
PS1
36
6
TH2
11
Aftercooler
Intercooler
51
7
Suction
39
53
Control air
5
Air intake
for motor
35
52
34
Suction
Motorized Water
Isolation Valve
Cooling Water In
M
Drain Valve
Legend of the Diagram
Compressor Air Flow
1 1st-Stage Air-End
2 2nd-Stage Air-End
3 Gear Case
4 Stepup Gear
5 Main Motor
6 Intercooler
7 Check Valve
8 Aftercooler
9 Air Relief Valve
10 Discharge port
11 Check Valve
13 Orifice
14 Drain Solenoid
15 Y-Strainer
16 Motorized Isolation Valve
Capacity Control & Blowoff Air Flow
21 Air Intake Filter
22 Suction Throttle Valve
23 Blowoff Valve
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
37 Gear Case Vent Pipe
38 Oil Drain Valve
39 Oil Mist Remover
Cooling Air Flow and Enclosure
51 Fan
52 Enclosure
53 Air Intake Duct
Legend of Sensors and Switches
Symbol Description
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)
MOHR Thermostat (for main motor bearing)
Pressure Differential Sensor
63SV
(For suction Filter clogging detection)