7
3585 Series Hydraulic Installation Tools (HK1080) Howmet Fastening Systems
PRINCIPLE OF OPERATION
PULL CYCLE
Figure 1A
operated valve in the Powerig
®
through the PULL hose to the front side of the piston, and
The piston and nose assembly collet move rearward
installing the fastener.
RETURN CYCLE
Figure 1B
to move forward, and pushes the nose assembly and tool
off the swaged (installed) fastener.
stroke, pressure builds, causing the Powerig to shut off,
completing the cycle.
PULL Pressure (PULL Cycle) RETURN Pressure (RETURN Cycle)
F
IGURE 1A FIGURE 1B
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