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Power Step PSA-K930E-FS Manual

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FOLDING STAIRWAY
Manual for Komatsu 930E Truck
PSA-K930E-FS
2-5-18
Model No.: PSA-K930E-FS
Serial No.:K930E-001 ~
Date Manufactured:

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Summary of Contents for Power Step PSA-K930E-FS

  • Page 1 FOLDING STAIRWAY Manual for Komatsu 930E Truck Model No.: PSA-K930E-FS Serial No.:K930E-001 ~ Date Manufactured: PSA-K930E-FS 2-5-18...

  • Page 2: Table Of Contents

    5-2 Landing Assembly Parts List 5-3 Stair Assembly Parts List 5-4 Hydraulics -Cylinder Assembly Cylinder and Components Control box Assembly Valve Diagram 5-5 Electrical Cabinet Assy Parts List 5-6 Electrical System Wiring Diagrams Harnesses Hydraulic Valve Kit Mounting Plates PSA-K930E-FS 2-5-18...

  • Page 3: Section 1 Mounting And Installation

    Weld only to the extension. Per View 4, fit the assembled stair set to the bolting pads, without the Landing Deck or Landing Floor Infill fitted. Per Views 5 and 6, fit the Landing Floor Infill and then the Landing Deck. PSA-K930E-FS 2-5-18...
  • Page 4 FOLDING STAIRWAY Komatsu 930E Truck Section 1. Mounting and Installation 23635 PSA-K930E-FS 2-5-18...
  • Page 5 FOLDING STAIRWAY Komatsu 930E Truck Section 1. Mounting and Installation 23636 PSA-K930E-FS 2-5-18...
  • Page 6 FOLDING STAIRWAY Komatsu 930E Truck Section 1. Mounting and Installation (Dimensions) 23678 PSA-K930E-FS 2-5-18...

  • Page 7: Section 2 Electrical Installation

    Install short blue wire to screw terminal of Komatsu circuit breaker, and other end to fuse holder. Run wiring harness from Power Step Folding Stairway magnetic proximity switch around under radiator, and follow cabling/hose routing up to air line/ electrical outlet on rear Right Hand Side of cabin.

  • Page 8: Section 3 Operating Procedure

    Release the park brake; and the stair will rise and stow into a vertical position. · Note that the stair does have a pressure valve that senses if someone is standing on the stair at time of rising; and it will automatically stop; or would not rise at all. PSA-K930E-FS 2-5-18...
  • Page 9 . Operating Procedure - Notes Mechanical Adjustment ENSURE THE STEP IS IN THE LOWER POSITION 1. PUT STEP IN THE LOWERED POSITION & LOOSEN 8 BOLTS HOLDING THE CYLINDER BEAM 2. ENSURE THE CYLINDER IS IN THE RETRACTED POSITION PSA-K930E-FS 2-5-18...
  • Page 10 “GO SWITCH” STRIKER IS ABOUT 5MM FROM THE SWITCH Hydraulic Adjustment 1. OPEN LID 3. INSERT GAUGE INTO 2. REMOVE SIDE COVER THE LIFT SIDE OF THE (HELD ON BY 4 SCREWS) CYLINDER (MIN 5000PSI RATED GAUGE) Pg10 PSA-K930E-FS 2-5-18...
  • Page 11 (THIS PRESSURE IS A GUIDE BEFORE FINAL ADJUSTMENT) AS A FINAL SETTING PLACE A 40KG WEIGHT ON THE BOTTOM STEP. IF NEEDED ADJUST THE PRESSURE SO THE STEP DOES NOT RAISE WITH THE WEIGHT ON BUT DOES LIFT WHEN IT IS NOT ON. Pg11 PSA-K930E-FS 2-5-18...
  • Page 12 NOTE: If a problem persists, it may be required to remove the Cylinder hard plumbing and bleed the Cylinder first. Also join the hoses from the PowerPack together and cycle them to ensure there is no air. Pg12 PSA-K930E-FS 2-5-18...

  • Page 13: Section 4 Recommended Maintenance Procedure

    - Re-adjust all Mechanical & Hydraulic parts as per the “Mechanical & Hydraulic adjustment procedure” NOTE: If the Cylinder has been removed or the Emergency Valve used, the Cylinder will require bleeding as per the “Cylinder bleeding procedure” (Pg 12) Pg13 PSA-K930E-FS 2-5-18...

  • Page 14: Section 5 Assembly Complete-Main Assemblies

    FOLDING STAIRWAY Komatsu 930E Truck Section 5. Assembly Complete - Main Assemblies See Pg 15 Item Part No. Part Name PSA-K930E-FS ASSEMBLY COMPLETE PS-30 002-A LANDING ASSEMBLY (INC.HANDRAILS) REFER TO 4-2 FOR DETAILS PS-30 020-A FOLDING STAIRS ASSEMBLY (INC.HANDRAILS) REFER TO 4-3 FOR DETAILS...
  • Page 15 FOLDING STAIRWAY Komatsu 930E Truck Hydraulic Operation Section 5-1 Assembly Complete PSA-K930E-FS Pg15 PSA-K930E-FS 2-5-18...
  • Page 16 FOLDING STAIRWAY Komatsu 930E Truck Section 5-2 Landing Assembly PS 30 002-A Hydraulic Cylinder See page 20 Pg16 PSA-K930E-FS 2-5-18...

  • Page 17: Parts List

    BOLT M5 x 50 - (Go Switch) CPS-M6NN NUT-NYLOC-M6 CPS-M5 NN NUT - NYLOC M5 CPS-M16WH WASHER - HARDENED - M16 CPS-M10WH WASHER - HARDENED - M10 CPS-M8WH WASHER - HARDENED - M8 CPS-M6WH WASHER - HARDENED - M6 CPS-M5WH FLAT WASHER- M5 Pg17 PSA-K930E-FS 2-5-18...
  • Page 18 FOLDING STAIRWAY Komatsu 930E Truck Section 5-3 Stair Assembly PS-30020-A Pg18 PSA-K930E-FS 2-5-18...

  • Page 19: Parts List

    PS-40002 RUBBER STOP CPS-M12X40ZP BOLT-M12 x 40 CPS-M12X30ZP BOLT-M12 x 30 CPS-M10X30ZP BOLT-M10 x 30 CPS-M6X20ZP BOLT-M6 x 20 Pan Head CPS-M12NZP NUT-M12 CPS-M10NZP NUT-M10 CPS-M6NZP NUT-M6 CPS-M12WH WASHER-HARDENED-M12 CPS-M10WH WASHER-HARDENED-M10 CPS-M6WH WASHER-HARDENED-M6 PS-32266-SAN-580 NON SLIP NOSING Pg19 PSA-K930E-FS 2-5-18...
  • Page 20 FITTING - O RING 1/4BSPPx 9/16”JIC PS-61154 FITTING CYL. END PS61163 REDUCER JIC x BSPP PS-61160 TUBE (Cut to suit) 110mm PS-61147 FERRULES PS-61154 FITTING ROD END PS-61145 FITTING- 9/6”JIC SWIVEL PS-61183 TEE FITTING HYD.HOSES (Supplied by Komatsu Aust.) Pg20 PSA-K930E-FS 2-5-18...

  • Page 21: Cylinder And Components

    FITTING-STRAIGHT PS-61153 FITTING PS-61140 FITTING-TEE-7/16” JIC PS-60050-130MM Hyd. Hose-130mm (2x7/16” JIC STRAIGHT) PS-60050-145MM Hyd. Hose-145mm (1x7/16”JIC Str. & 1x7/16”JIC Elbow) CPS-M8X20ZP BOLT-M8 x 20 CPS-M8WH FLAT WASHER-M8 PS-63203-MTG-BL VALVE MOUNTING BLOCKS PS-63203-BLK MOUNTING BLOCKS FOR PLATE ASSEMBLY Pg21 PSA-K930E-FS 2-5-18...
  • Page 22 FOLDING STAIRWAY Komatsu 930E Truck Section 5-4 Hydraulics Cylinder Pins (See Page 20 Items 1B & 1C) Cylinder End Pin (Lubricated) PS-63009-P Rod End Pin PS-62999-P Pg22 PSA-K930E-FS 2-5-18...
  • Page 23 Item Part No. Part Name PS-81101 PRESSURE REDUCER PS-81102 CETOP3 DCV-NO COILS PS-81103 STATION MANIFOLD PS-81104 COILS-24V PS-61160-930E ST. TUBING & FLARED FITTINGS (Made to suit) 1SET PS-61177 BULKHEAD FITTINGS PS-61143 PS-CAB12M20 ELECTRICAL GLAND PS-ST2315 BOX ASSEMBLY & KEY Pg23 PSA-K930E-FS 2-5-18...
  • Page 24 FOLDING STAIRWAY Komatsu 930E Truck Section 5-4 Hydraulics Valve Diagram Pg24 PSA-K930E-FS 2-5-18...
  • Page 25 ALARM RELAY BEACON & HORN PS-84219 BRIDGE RECTIFIER 40A PS-84216 GROUND BUS BAR/LINK PS-HD10-3-96P 3 PIN PLUG PS-HD10-5-16P 5 PIN PLUG PS-HD10-9-16P 9 PIN PLUG PS-HD10-9-96 9 PIN PLUG PS-960E-EC-PL MOUNTING PLATE KIT PS-960E-PB BOX ONLY (Empty) Pg25 PSA-K930E-FS 2-5-18...
  • Page 26 FOLDING STAIRWAY Komatsu 930E Truck Section 5-5 Electrical System Sheet 1 of 3 Pg26 PSA-K930E-FS 2-5-18...
  • Page 27 FOLDING STAIRWAY Komatsu 930E Truck Section 5-5 Electrical System Wiring Diagrams Sheet 2 of 3 Pg27 PSA-K930E-FS 2-5-18...
  • Page 28 FOLDING STAIRWAY Komatsu 930E Truck Section 5-5 Electrical System Wiring Diagrams Sheet 3 of 3 Pg28 PSA-K930E-FS 2-5-18...
  • Page 29 Warning Beacon Warning Beacon Guard ELSB905 ELSB905-METAL GUARD Main Harness - Electrical Box PS- 960 - MBC Wiring Harness - Cab Indicator Up/Down Park Brake Harness Electrical Box to Park Brake Switch PS-960E - IWH PS-960E - PBH Pg29 PSA-K930E-FS 2-5-18...
  • Page 30 Komatsu 930E Truck Section 5-5 Electrical System Components & Wiring Harnesses Main Harness PS-960E - ABS Electrical Harness Electrical Box to Main 24V Cabinet PS-960E - PSH Wiring Harness - Go Switch to Accelerator PS-960E - AIH Pg30 PSA-K930E-FS 2-5-18...
  • Page 31 Item Part No. Part Name PS-60051-720mm HOSE -720MM PS-61189 FITTING PS-61159 ELBOW FITTING 90 DEG PS-61169 STRAIGHT FITTING PS-61190 REDUCER PS-936-9906 PS-61145 STRAIGHT FITTING PS-61154 ELBOW PS-FPR-14 CHECK VALVE PS-DES2BOO SPOOL VALVE PS-EAD102012 VALVE BODY DHC-24V-COIL 24V COIL Pg31 PSA-K930E-FS 2-5-18...

  • Page 32: Mounting Plates

    FOLDING STAIRWAY Komatsu 930E Truck Mounting Plates Pg32 PSA-K930E-FS 2-5-18...

Table of Contents