Maintenance & Inspection Guide - Johnstech

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Pad ROL 100A→Figure 36: A light downwardpush will free ground insert fromhousing.GROUND INSERT MAINTENANCEGround Insert Removal InstructionsIMPORTANT: Use finger cots when handling ground inserts to avoid contaminationwith skin oils, which can degrade performance.Using covered fingers and/or the elastomer tool, press down on the ground insert.The insert will easily release out of the housing (see Figure 36).Ground Insert Cleaning InstructionsStep 1: Remove Contacts & Elastomers• Once the ground insert is removed from the housing, follow instructions for contact and elastomerremoval on Page 14.Step 2: Clean Ground Insert• Clean the unpopulated ground insert with a fiberglass (or nylon) brush per the instructions on Page15.• Follow up with ultrasonic cleaning, per instructions on Page 16.• Inspect for mushrooming or bending. If observed, contact Johnstech Field Service or yourRepresentative.Step 3: Re-assemble Ground Insert• Follow the instructions for Elastomer & Contact installation on Pages 18 & 19.Step 4: Blow with Compressed Air• To clear away any remaining debris, blow the Insert with compressed air before reinstalling groundinsert.• Inspect for remaining debris. If observed, repeat cleaning process again refer to Pages 15-16.22www.johnstech.com©2012 Johnstech International CorporationAll rights reserved.
Pad ROL 100AGROUND INSERT INSTALLATIONNew Elastomer Retention Ground Insert DesignIMPORTANT: Always ensure ground Insert is clean before installing and inspectused inserts for damage or wear.ElastomerretentiongroovesLedgesStep 1: Locate and Position the Ground Insert• Under magnification locate your ground insert and flip the insert right side up and lay on a flatsurface.Figure 35: Position the housingover the RCI ground insert.Step 2: Installation of the Ground Insert• With the housing right side up, place the housing over the insert to begin the installation.• Locate the two grooves on the insert (one on either side) to help guide the housing over the insertand position the housing over the insert (see Figure 35).• Line up the ledges from the top of the housing with the elastomer grooves in the ground insert.NOTE: When the housing and insert are properly oriented, the housing will dropcompletely down flat onto the insert. The top of the insert will protrude slightly abovethe top surface of the housing. Do not force the insert and housing together. If thehousing does not drop completely down onto the insert, the parts are not orientedproperly.Step 3: Install Blue Retention Elastomer• Insert the two blue retention elastomers (from the top side) along the sides of the insert.• Cut the blue elastomers to the correct length, not exceeding the channel opening (see Figures 36 &37).• Use the probe tool shown on Page 7.Figure 36: Insert the two blueretention elastomers. (cutawayview).NOTE: Retention elastomers are installed on the sides of the insert.Figure 37: Insert the two blueretention elastomers. (top view).Figure 38: Proper installation ofelastomers, contacts and insert.(bottom view).www.johnstech.com©2012 Johnstech International CorporationAll rights reserved.23
Page 1 and 2: PAD SERIES TEST CONTACTORPad ROL 1
Page 3 and 4: Pad ROL 100ASTANDARD PRODUCT INFOR
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Page 21: Pad ROL 100AGROUNDING SOLUTIONSThe
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Maintenance & Inspection Guide - Johnstech

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