Instruction Manual
W32- Series Medium-Vertical Compressors
Page I - 21.
I – 14. MAINTENANCE PROCEDURES
CAUTION
Bring the main isolating switch to “Off” [or `0`] position before attempting doing any repair work on the unit to
prevent accidental (or automatic) starting. Blow down all pressure from the compressor, filter & purifier and isolate
the unit from any outside sources of air pressure such as filling stations, cylinders etc. These simple precautions will
prevent fatal accidents
1. GENERAL
This section covers the operations which the general
users may not be too familiar. It is expected that the
user would have the average technical training &
knowledge and experience that will permit to perform
the common maintenance functions without the need
of detailed instructions.
2. TORQUE VALUES
The following table indicates the torque values to
which a torque wrench should be set for tightening
the various size attaching bolts & nuts. Use these
values to set a torque wrench to tighten these
fastners at intervals indicated in the
Maintenance
table
.
TORQUE VALUE TABLES
Bolt or screw
Thread
Max.torque
Hex and allen head
M 6
10 Nm (7 ft.lbs)
Hex and allen head
M 8
25 Nm (18 ft.lbs)
Hex and allen head
M 10
45 Nm (32 ft.lbs)
Hex and allen head
M 12
75 Nm (53 ft.lbs)
Hex and allen head
M 14
120 Nm (85 ft.lbs)
Hex and allen head
M 16
200 Nm (141 ft.lbs)
Pipe connections (swivel nuts)
Finger-tight+1/2turn
3. TORQUE SEQUENCE
1
3
6
1
3
2
4
2
4
5
Fig. 8 Torque sequene
