MTS Systems SilentFlo 505G2 Series, Manual

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Accessories
Series 505G2 SilentFlo™ Hydraulic Power Unit 77
6. Slowly open the regulator shut-off valve until gas is heard escaping from the accumulator
charging kit bleed valve.
A. Allow gas to slowly escape for approximately ten seconds, and then close the bleed
valve.
B. Immediately close the regulator shut-off valve before the pressure reading on either
the high or low charging kit pressure gage exceeds the pressure level of the
accumulator.
7. Open the locknut. Slowly open the regulator shut-off valve until the pressure indicator on
either the high or low charging kit pressure gage begins to rise. When the pressure is at the
required pressure level, close the regulator shut-off valve.
8. Close the locknut.
9. Open the bleed valve on the charging kit and remove the chuck valve from the accumulator.
10. Install the valve stem cap and protective cover. Close the valve on the nitrogen bottle.
Lifting Kit
Caution:
The balance of the load unit can become unsettled.
The weight of the HPU can injure you or damage the HPU if it should become unbalanced and
fall off the lift.
Before moving the HPU, test the balance of the lift by raising the HPU a short distance off the
ground.
The lifting kit (part number 100-036-287) includes support brackets, slings, chain connectors, eyebolts,
and hardware to allow the hydraulic power unit to be lifted and moved by an overhead device (such as
an overhead crane). The support brackets and slings help distribute the weight of the HPU so it is
balanced when it is lifted.
The slings and brackets should be positioned as shown.