5-3
Lubrication
Maintenance
Lubrication
Series 2712
For Series 2712 grips, lubricate the moving parts of the grips using a G-N paste
(Instron part #105-1-28). Refer to Figure 5-1 on page 5-3 to identify the
lubrication points. Note you need to remove the jaw faces to lubricate the area
behind the faces.
It is recommended that you lubricate the grips annually. If the grips are in constant
use, as in repetitive testing applications, lubricate every six months.
The pneumatic piston seal should also be lubricated annually. After a long idle
period (6 months or more), the piston may require lubrication. If the piston does
not operate smoothly, or an air leak develops, then you may need to lubricate the
piston. To lubricate the piston and its bore, disassemble the piston using the
figures in Chapter 6 as a guide. Lubricate the piston seal and piston bore with a
petroleum jelly (Instron part #105-1-24). After lubricating, operate the grip
several times to ensure that the grip closes smoothly with no air leaks.
Figure 5-1. Series 2712 Grips Lubrication Points
Piston seal
2712-001 2712-002
(Petroleum jelly
only)
Lubrication points
(both sides of grip)
Lubrication points
(both sides of grip)
Jaw faces
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