AIRCRAFT SERVICE EQUIPMENT

The RB211-535E4 long engine wash probes JMP/RB211/D/6984

Overall length:429.4cm / 169” (approx.)

STEP 1: Assembling the probes

When using RB211-535E4 longengine wash probes, turn thethree way selector to position‘A’ this ensures selection of the 3⁄4” bore delivery hose.

Please refer to the relevantAMM for correct flow rateinformation.

Delivery hose selection

Connect probe halves by screwing together,ensuring a tight fit.

The screw connections require occasionalgreasing with an anti-seize compound such asCopaslip™ or equivalent grease. Take care not toget any compound in the bore of the connector.

Probes are supplied in sets of two and areidentified by a red connection (port side) andgreen connection (starboard side).

STEP 2: Probe fitment

Each probe to be inserted and fitted on theengine at approximately the 4 & 8 o’clockpositions so that the probe ‘j’ hook fits overthe booster / fan splitter.

Guide the probes through the fan outletguide vanes (ogv’s) from the aft end, atapproximately the 4 & 8 o’clockpositions, aft looking forward.

Insert each long probe carefully from theaft end & locate each tip so that it pointsbetween the booster inlet guide vanesinto the booster and attach clamps. (See STEP 3 for clamping instructions).

Connect the twin hose assembly(provided with all compressor wash rigs)to both of the engine probes, making surethat the probes are attached securely tothe engine with the hoses attached.

Connect delivery hose from the wash rigto the twin hose assembly.

Probe installation is now complete.

Please refer to the relevant AMM for flowrate information.

Caution: Ensure that the engine fan is held securely during the fittingof the engine ‘j’ hook probes.

Note: Images used in this guide are for illustrative purposes only and may notaccurately represent the equipment in question.

4 & 8 o’clockseen from rear of engine.

Probe fixed in position awaitingconnection to the twin hoseassembly.

STEP 3: Securing the spring clamps

Contact details

Connection to rig*

Head Office: Marshall Works, 5-17 Bleasdale Road, Allerton, Liverpool L18 5JB, United KingdomTel: +44 (0)151 733 1553Fax: +44 (0)151 734 3166Email: gse@juniper-liverpool.comWeb: www.juniper-liverpool.com

Also At:Ash House, Prenton Way, North Cheshire Trading Estate, Wirral CH43 3DU, United Kingdom

Aircraft Service Equipment A.T.Juniper (Liverpool) Limited

Contractors to H.M.Government DepartmentsRegistered with ISO 9001:2015

Spring clampsprevent over-tightening whenfitting each probe.

Each probe has two spring loadedclamps which are tensioned by overcentre buckle clamping devices.

To release each clamp, remove the safety clip and pin and open each clampby pushing forward on the releasingmechanism.

This will allow the spring loaded clamp tobe removed for relocation on the engine.Once relocated, pull gently on the strapand re-apply over the centre buckle.

Re-fit safety pin and clip - once the probeis inserted and located in the engine.

*Shown here are the CF6-80C2 longprobes for illustrative purposes only.