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Power Step PSA-EX2500-FRS Manual

Folding retractable stairway for hitachi ex2500 excavator
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FOLDING RETRACTABLE STAIRWAY
Manual for Hitachi EX2500 Excavator
EX2500-FRS 3-8-15
Model No. PSA-EX2500-FRS
Serial No.: ~
Date Manufactured:

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Summary of Contents for Power Step PSA-EX2500-FRS

  • Page 1 FOLDING RETRACTABLE STAIRWAY Manual for Hitachi EX2500 Excavator Model No. PSA-EX2500-FRS Serial No.: ~ Date Manufactured: EX2500-FRS 3-8-15...
  • Page 2 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator CONTENTS Page 3 Section 1 Installation Notes Installation Drawings Section 2 Recommended Maintenance procedure Section 3 Operating Procedure Section 4 Drawings and Repair Parts lists 4 Assembly complete Parts List 4-1 Mounting Assembly Parts List 4-2 Landing Assembly Parts List...

  • Page 3: Section 1 Installation Notes

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 1 Installation Notes NOTE Follow all on-site/Mine lifting and safety procedures when installing PSFS to Truck. Remove the sliding ladder & its' floor module - all one piece. Remove landing/walkway panel in front of where the ladder module was. Shorten it per 21.607A Temporarily fit 21 605 infill platform where the ladder module cam.e out.
  • Page 4 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Installation Drawings - Stub Beams 21.603 EX2500-FRS 3-8-15...
  • Page 5 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Installation Drawings - Mounting Arrangement EX2500-FRS 3-8-15...
  • Page 6 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Installation Drawings - Landing and Stair Assembly EX2500-FRS 3-8-15...
  • Page 7 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 2 Recommended Maintenance Procedure Daily Visually check stairway and structure for damage, loose components, handrails, etc. Check for hydraulic oil leaks from hydraulic cylinders, plumbing and hoses. Notify the appropriate supervisor for any observed damage or malfunction. 500 Hours Grease all grease nipples.

  • Page 8: Section 3 Operating Procedure

    NOTE: FLOW CONTROL VALVE ADJUSTMENT: The valve should be positioned to restrict the flow and speed of the Power Step when lowering. Adjust the knob on top of the valve by turning left or right (clockwise) when the step is being lowered, until it is lowering at a safe and reasonable speed.
  • Page 9 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4 Assembly Complete EX2500-FRS 3-8-15...
  • Page 10 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator List of Assemblies See Drawing Page 9 ITEM PART NO. PART NAME MOUNTING ASSEMBLY PS-21079-25A LANDING ASSEMBLY- EX 2500 PS-21038-A STAIR - UPPER - ASSEMBLY PS-21036-A STAIR - LOWER - ASSEMBLY PS-35030-A PIVOT ASSEMBLY PS-63009-ASSY HYDRAULIC ASSEMBLY...

  • Page 11: Section 4-1 Mounting Assembly

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-1 Mounting Assembly Item Part No. Part Name MOUNTING ASSEMBLY COMPLETE PS-21605 PLATFORM INFILL PS-21086 REAR OUTRIGGER BEAM PS-21606 SIDE BEAM PS-21601 FRONT OUTRIGGER BEAM PS-M24x145MM BOLT - M24 x 150 PS-M20x60MM BOLT - M20 x 60 PS-M20X50MM...
  • Page 12 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-2 Landing Assembly PS-21079-25A Pg12 EX2500-FRS 3-8-15...
  • Page 13 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-2 Landing Assembly PS-21079-25A See Drawing Page 12 Item Part No. Part Name PS-21079 LANDING PS-21571-LHR HANDRAIL-LANDING PS-21055 LANDING-GRID PS-M24 x 100ZP BOLT- M24 x 100 CPS-M12 x 30ZP BOLT- 12 x 30 CPS-M24WH WASHER-HARDENED-M24 PS-M24NZP...
  • Page 14 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-3 Stair - Upper Assembly PS-21038-A Pg14 EX2500-FRS 3-8-15...
  • Page 15 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-3 Stair Upper Assembly PS-21038-A See Drawing Page 14 Item Part No. Part Name PS-21038 STRINGER ASSEMBLY PS-21571-USH HANDRAIL - UPPER PS-21556 TREAD STEP PS-21043 BUSHING UPPER & CRANK PIVOT PS-21044 BUSHING-CENTER-PIVOT PS-21077 BUFFER-FRAME-TRAVEL...
  • Page 16 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-4 Stair - Lower Assembly PS-21036-A Pg16 EX2500-FRS 3-8-15...
  • Page 17 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-4 Stair - Lower Assembly PS-21036-A See Drawing Page 16 Item Part No. Part Name PS-21036L STAIR STRINGER-LH PS-21036R STAIR STRINGER-RH PS-21034L STAIR-STILE-CAP-LH PS-21034R STAIR-STILE-CAP-RH PS-21553 TREAD-STEP-SMALL PS-21556 TREAD-STEP-STD PS-21058LSH HANDRAIL-LOWER SECTION PS-36021 LINKAGE-TORQUE-TUBE CPS-M12X35ZP...

  • Page 18: Section 4-5 Pivot Assembly

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-5 Pivot Assembly PS-35030-A Pg18 EX2500-FRS 3-8-15...
  • Page 19 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-5 Pivot Assembly PS-35030-A See Drawing Page 18 Item Part No. Part Name PS-21042 CRANK-PRIMARY PS-21039 CRANK-SECONDARY PS-21040 CRANK-TIE BAR PS-21041 CRANK-LINKAGE-SLIDING PS-21039-P PIN-PIVOT-PRIMARY PS-21045 ROD-LINKAGE-(1738MM) PS-29004 ROD END-LH PS-29003 ROD END-RH CPS-M10X80PR ROLL PIN PS-M24X120ZP...
  • Page 20 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-6 Hydraulic Cylinders PS-63009-ASSY. Pg20 EX2500-FRS 3-8-15...

  • Page 21: Section 4-6 Hydraulic Cylinders

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-6 Hydraulic Cylinders PS-63009-ASSY See Drawing Page 20 CYLINDERS Item Part No. Part Name PS-63009-A HYD CYLINDER 2 1/2” PS-63009-C CYLINDER-BUSH-CLEVIS PS-63009-TP PIN-CYLINDER-TOP PS-63009-P PIN-CYL-BOTTOM+WASHER CPS-M8x56ZP SPLIT PIN - M8 - CLEVIS PIN-TOP PS-63103-N SEAL KIT PLUMBING...
  • Page 22 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-7 Hydraulic Cylinders (Valve Diagram) Pg22 EX2500-FRS 3-8-15...

  • Page 23: Section 4-7 Power Pack Assembly

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-7 Power Pack Assembly PS-80104P (Not including Cradle) PS-80104P-FRS Single Valve Power Pack (Including Cradle) See Parts List Pg. 24 Pg23 EX2500-FRS 3-8-15...
  • Page 24 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-7 Power Pack Assembly PS-80104P (Not including Cradle) PS-80104P-FRS Single Valve Power Pack (Including Cradle) Item Part No. Part Name PS-514.9.154 PLASTIC TANK PS-509.5.140 TANK FILLER CAP PS-115.6.126 TANK PLUG PS-147.900.724 PUMP &...
  • Page 25 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-7 Power Pack Assembly Single Valve Power Pack - Electrical GO SWITCH BLUE BROWN ORANGE WHITE Pg25 EX2500-FRS 3-8-15...

  • Page 26: Section 4-8 Electrical Controls

    FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-8 Electrical Controls Control Pendant Switch Proximity Switch Assembly Mounted on Handrail Mounted on Fixed Landing PS-77009-AR HARNESS Item Part No. Part Name PS-73013 CONTROL PENDANT SWITCH PS-73013-B CONTROL PENDANT BRACKET PS-77005 HAND RAIL SWITCH HARNESS PS-77009-AR...
  • Page 27 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-8 Electrical Controls Wiring Diagram 1 Pg27 EX2500-FRS 3-8-15...
  • Page 28 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-8 Electrical Controls Wiring Diagram 2 Pg28 EX2500-FRS 3-8-15...
  • Page 29 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-8 Electrical Controls Wiring Diagram 3 Pg29 EX2500-FRS 3-8-15...
  • Page 30 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Section 4-8 Electrical Controls O P T I O N A L E X T R A O N L Y Raise/lower Transmitter Remote Control Unit PS-2394 PS-2393 AERIAL BULKHEAD POWER ON LED LADDER UP LED LADDER DOWN LED POWER/LOGIC PLUG...
  • Page 31 FOLDING RETRACTABLE STAIRWAY To suit Hitachi EX2500 Excavator Emergency Lanyard Kit and Wiring Diagram O P T I O N A L E X T R A O N L Y PS-HITEX-L/YARD KIT Pg31 EX2500-FRS 3-8-15...

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