7
IT IS FORBIDDEN TO EVEN PARTIALLY REPRODUCE THE TEXT AND/OR ILLUSTRATIONS.
www.masterweld.co.uk
The maximum allowable tightening values, beyond which the screws lose their mechanical resistance features,
are shown in the tables.
The tightening torques must be applied slowly and constantly using a torque wrench. Said values must be
decreased by 10% when using impact drivers.
The table refers to class 4.8 and 8.8 screws respectively.
DIAMETER PER PITCH
SCREW SECTION [mm
2
]
SCREW TIGHTENING TORQUES [Nm]
6 x 1
20
3,5
8 x 1,25
36
8
10 x 1,5
58
17
12 x 1,75
84
28
DIAMETER PER PITCH
SCREW SECTION [mm
2
]
SCREW TIGHTENING TORQUES [Nm]
6 x 1
20
10,4
8 x 1,25
36
25
10 x 1,5
58
50
12 x 1,75
84
87
2.4. SAFETY WARNINGS FOR INTENDED USE
The machine was designed to work within the limits prescribed and indicated in the manual.
The machine was designed with an IP55 protection rating.
Using the machine to obtain production levels other than those described in this manual, shall be regarded as
"INTENDED USE/IMPROPER USE"
.
Carefully read the instructions in paragraph
"INTENDED USE/IMPROPER USE"
.
To be prepared for emergencies, carefully read the instructions in the section titled
"INTENDED USE/IMPROPER
USE".
2.5. SAFETY WARNINGS FOR ADJUSTMENT/MAINTENANCE
Perform routine maintenance as provided for in this manual.
Disconnect the machine from all energy sources prior to performing maintenance operations.
Discharge the pneumatic system compressed air tank before performing any maintenance operations.
During adjustment and maintenance operations, potentially explosive atmospheres may occur,
therefore it is forbidden to approach or introduce in the machine any possible ignition source:
• Naked flames
• Hot surfaces
• Sparks
• Gas
• Live electrical parts
• Electrostatic charges
2.6. SAFETY WARNINGS FOR ENVIRONMENTAL IMPACT
Before using the machine, operators must be provided with information, instructions and training on the
substances the machine is to be used for, including how to safely remove and dispose of the collected pollutant.
Do not disperse polluting material in the environment. Perform disposal in compliance with the relative laws in
force.
Incorrect cleaning or not replacing the filters may cause the polluting agent to be dispersed in the external
environment.
2.7. SAFETY SIGNS PLACED ON THE MACHINE
There are no safety signs on the machine.
Содержание MW7500
Страница 1: ...User Manual for Arm Fan Installation...