Royco 756 Hydraulic Strut Wipe - 6x6


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Strutwipes are an excellent choice for cleaning chrome piston cylinders and struts. The wipe is presaturated with top of the line hydraulic fluid: MIL-PRF-5606. Protect your personnel from hazardous hydraulic fluid until use with our three layer lamination foil packaging that eliminates vapor exposure emitted by hydraulic fluid. Always wear appropriate personal protective equipment when working with hazardous material. Note: For longer shelf life, we manufacture your wipes the day after your order is placed.

Our hydraulic presaturated wipes are lint and static free, made of 100% cotton cloth woven and finished without starch, binders, or any foreign substances. The cloth finish gives this wipe a softer and better dirt-trapping capacity. This wipe is pre-soaked with hydraulic fluid MIL-PRF-5606 and has incredible retention to minimize fluid drip.


  • Hydraulic Fluid: Royco 756
  • Wipe: For Single Use. 1 Wipe.

Shock struts are self-contained hydraulic units that support an aircraft while on the ground and protect the structure during landing. They must be inspected and serviced regularly to ensure proper operation.

A shock strut is constructed of two telescoping cylinders. The upper cylinder is fixed to the aircraft. The lower cylinder, the piston, is free to slide in and out of the upper cylinder. An orifice located between the two cylinders provides a passage for fluid from the bottom chamber to enter the top cylinder chamber when the strut is compressed. Upon lift off or rebound from compression, the shock strut tends to extend rapidly.

A packing gland is employed to seal the sliding joint. A packing gland wiper ring is installed in the shock strut. It is designed to keep the sliding surface of the piston from carrying dirt, mud, ice, and snow into the packing gland and upper cylinder. Regular cleaning before refueling of the exposed portion of the strut piston helps the wiper do its job and decreases the possibility of damage to the packing gland,which could cause the strut to leak.

Once the wiper is damaged a costly overhaul is the only repair to prevent failure. The use of Strutwipe before refueling and use of the aircraft will help prevent premature failure of your struts.