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Torque Guide
The torque levels established during the manufacturing process are outlined in the 'Refitting Notes' sections of this chapter . Torque
levels selected apply throughout product life for the Workstation .
Use the information as a guide to the 'do not exceed' torque levels when servicing the Workstation . When servicing, it is recommended
that torque is applied gradually until the component is secure . In any process do not exceed the stated levels .
If a torque driver is available for servicing this will help control the applied torque; otherwise, be aware that excess force may cause the
component to fail .
Note: Where a torque
level is not stated in
the 'Refitting Notes'
sections of this chapter
then fixing should be
hand-tight .
1 . The force required to create a thread for the first time is more than when reassembling a previously made joint .
2 . Always use the correct torque level when first making an assembly stage .
3 . Take care with the torque applied when re-assembling parts . Less torque is required, so a hand tool may be more appropriate .
4 . In many situations a stripped thread will require replacement of the failed component .
5 . The head patterns of the fasteners are of the following types:
• Snake Eye Tool Workstation (fits into a ¼" drive socket, torque to 500cNm, used on tie rods when pulling modules together)
• Hex Head 13mm (tie rod shoulder nuts (035 and 235 products only), torque to 500cNm)
• Pozi Number 1 (smaller X head)
• Torx Number T10 (Medium star profile, used on the majority of Torx fasteners)
• Torx Number T20 (Larger star shape, typically for case securing screws)
• M3 nuts (Hex head with 5 .5mm across flats (AF) drivers)
• M4 nuts (Hex head with 7mm across flats (AF) drivers)
6 . Always select the correct tool and bit pattern for the fastener .
1000SM00015 Issue 8
Alaris® Gateway Workstation
Corrective Maintenance
21/72
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