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JMP/CFM56/D/4777/C200
NATO Stock Number: NSN 1730-99-668-7936
SPECIFICATION
Size: (L) 2515mm x (W) 1067mm x (H) 1296mm Weight: (Dry) 352Kg
Packing crate dimensions: (L) 2642mm x (W) 1093mm x (H) 1524mm Weight: (Gross) 601Kg
INTRODUCTION
The 2 x 25 gallon multi-engine compressor wash rig (JMP/CFM56/D/4777/C200) comprises two
INTRODUCTION
The 2 x 25 gallon multi-engine compressor wash rig (JMP/CFM56/D/4777/C200) comprises two
115 litre stainless steel pressure vessels mounted on a rigid steel chassis, supported by three heavy
duty wheels with 16” super elastic tyres, one of which is mounted on a heavy duty steering castor unit.
A drawbar, which can be locked in the upright position for storage and safety, is attached to the
steering castor unit with a drawbar operated parking brake acting on the front wheel when locked in
the upright position.
Each tank is fitted with a filler cap, gauze strainer, pressure gauge, sight glass, pressure relief valve,
3/4” BSP drain valve and a 6kW immersion heater.
A 3/4”, 20 ft long, outlet delivery hose is stowed on the right side of the rig as viewed from the front,
with a 1/2”, 20 ft long, outlet delivery hose, together with a 1/4”, 20 ft long blow-off hose in the rear
storage box for clearing the sensing tubes/hoses after a wash. Rubber protective collars are installed
on the end of each hose to protect the couplings from damage.
OPERATION
OPERATION
The fluid in the tanks is pressurised by two rechargeable onboard nitrogen cylinders
(a MS28889-2 Schrader charging valve is fitted to the rig for in-situ recharging) controlled by a
regulator and distributed to the top of each pressure vessel via a nitrogen inlet manifold.
There is also an optional Air Inlet Kit (JMP/CFM56/D/6612) available to enable the connection of
offboard compressed air or nitrogen if required. Once pressurised, the fluid is forced up the outlet
stack pipe to the appropriate fluid outlet isolation ball valve. From there it is directed through the filter,
to the 3-way engine selection ball valve, which controls the output to the appropriate tooling via the
outlet hose connection to the twin hose assembly.
The rig has two 6kW immersion heaters (one for each pressure vessel) requiring a 115V/200V,
3-phase, 400Hz electrical power supply to heat the tanks to a temperature of 700c in one hour.
The necessary power is supplied from a ground power unit (GPU) or hangar power supply.
A 24V battery installed in the rig’s electrical enclosure provides the power required for the interlock
(necessary for the power to connect) to operate.
