W 3 1 S E R I E S
H I G H P R E S S U R E B R E A T H I N G A I R C O M P R E S S O R
©ALKIN Kompresör Sanayi ve Ticaret Limited Şirketi
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2.4 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 fasteners at intervals
indicated in the MAINTENANCE TABLE.
TORQUE VALUES TABLE
Bolt or Screw
Thread
Max Torque
Hex and allen head
M6
10 Nm (7 ft.lbs)
Hex and allen head
M8
25 Nm (18 ft.lbs)
Hex and allen head
M10
45 Nm (32 ft.lbs)
Hex and allen head
M12
75 Nm (53 ft.lbs)
Hex and allen head
M14
75 Nm (53 ft.lbs)
Hex and allen head
M16
200 Nm (141 ft.lbs)
Pipe Connectors (Swivel Nuts)
Finger-tight+1/2turn
2.5 Maintenance Instructions
2.5.1 Oil Level Check
Instruction no
01
Instruction name
Oil Level Check
List of tools required
None
No of persons required
1 person
Estimated Completion Time
5 minutes
Parts list to be used in replacement kit
None
Oil level can be visually checked through oil level glass in the front of crankcase. Oil level should
be below the red line.
Refill oil if needed.
2.5.2 Leak Check
Instruction no
02
Instruction name
Leak Check
List of tools required
Bowl, sponge, foam water
No of persons required
1 person
Estimated Completion Time
20 minutes
Parts list to be used in replacement kit
None
Listen to compressor while working and check for unusual sounds.
If there is an unusual sound, try to detect the source.
Detect and tighten the screw, nuts, fittings, etc.
