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Power Step Komatsu 960E Manual

Folding stairway truck - hydraulic power pack
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FOLDING STAIRWAY
Manual for Komatsu 960E Truck - Hydraulic Power Pack
PSA-K960E-FS
07-3-12
Model No.: PSA-K960E-FS
Serial No.:960E-001 to 960E-009
Date Manufactured: October 2009

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Summary of Contents for Power Step Komatsu 960E

  • Page 1 FOLDING STAIRWAY Manual for Komatsu 960E Truck - Hydraulic Power Pack Model No.: PSA-K960E-FS Serial No.:960E-001 to 960E-009 Date Manufactured: October 2009 PSA-K960E-FS 07-3-12...

  • Page 2: Table Of Contents

    FOLDING STAIRWAY Komatsu 960E Truck CONTENTS Page 3 Section 1 Mounting and Installation Section 2 Electrical Installation Section 3 Operating Procedure Section 4 Recommended Maintenance Procedure Section 5 Assembly Complete-Main Assemblies 5-1 Assembly Complete Parts List 5-2 Landing Assembly Parts List...

  • Page 3: Section 1 Mounting And Installation

    FOLDING STAIRWAY Komatsu 960E Truck Section 1. Mounting and Installation See Page 4 NOTE Follow all on-site/Mine lifting and safety procedures when installing PSFS to Truck. PROCEDURE (Drawings 23635 & 23636) See Drawing 23635 (Adjustments) Set up the stair set with bolting faces of the landing vertical,like it will be when installed on the truck.
  • Page 4 FOLDING STAIRWAY Komatsu 960E Truck Section 1. Mounting and Installation 23635 PSA-K960E-FS 07-3-12...
  • Page 5 FOLDING STAIRWAY Komatsu 960E Truck Section 1. Mounting and Installation 23636 PSA-K960E-FS 07-3-12...
  • Page 6 FOLDING STAIRWAY Komatsu 960E Truck Section 1. Mounting and Installation (Dimensions) 23678 PSA-K960E-FS 07-3-12...

  • 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

    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: Section 4 Recommended Maintenance Procedure

    FOLDING STAIRWAY Komatsu 960E Truck Section 4. 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.

  • Page 10: Section 5 Assembly Complete-Main Assemblies

    FOLDING STAIRWAY Komatsu 960E Truck Section 5. Assembly Complete - Main Assemblies See Pg 11 Item Part No. Part Name PSA-K960E-FS ASSEMBLY COMPLETE PS-23667A LANDING ASSEMBLY (INC.HANDRAILS) REFER TO 5-1 FOR DETAILS PS-23662A STAIR ASSEMBLY (INC.HANDRAILS) REFER TO 5-1 FOR DETAILS...
  • Page 11 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-1 Assembly Complete PSA-K960E-FS Pg11 PSA-K960E-FS 07-3-12...
  • Page 12 FOLDING STAIRWAY Komatsu 960E Truck Section 5-2 Landing Assembly PS 23667A Hydraulic Cylinder See page 16 Pg12 PSA-K960E-FS 07-3-12...

  • Page 13: Parts List

    FOLDING STAIRWAY Komatsu 960E Truck Section 5-2 Landing Assembly PS-23667A Parts List See Drawing Pg 12 Item Part No. Part Name PS-23667 LANDING FRAME PS-23671 LANDING DECK-STEP TREAD PS-23673 HAND SHIELD PS-23669 LANDING FLOOR INFILL PS-23651-01 HANDRAIL BUMPER PS-23668B BOLTING PADS-MAIN MOUNTING BLOCKS...
  • Page 14 FOLDING STAIRWAY Komatsu 960E Truck Section 5-3 Stair Assembly PS-23662A Pg14 PSA-K960E-FS 07-3-12...
  • Page 15 FOLDING STAIRWAY Komatsu 960E Truck Section 5-3 Stair Assembly PS23662A Parts List See Drawing Page 14 Item Part No. Part Name PS-23662 LH STAIR STILES FABRICATION-LH PS-23662 RH STAIR STILES FABRICATION-RH PS-23465 LH STAIR EXTENSION-LH PS-23465 RH STAIR EXTENSION-RH PS-22266A...

  • Page 16: Hydraulics -Cylinder Assembly

    FOLDING STAIRWAY Komatsu 960E Truck Section 5-4 Hydraulics -Cylinder Assembly P/No. PS-62999-AH NOTE: HYDRAULIC CYLINDER ASSEMBLY P/No PS- 62998-AH includes Part No.s 1 to 12 Item Part No. Part Name PS-62999-A HYDRAULIC CYL. (with hard plumbing ) PS-62999-HPK HARD PLUMBING KIT PS-62999-A HYDRAULIC CYLINDER 2 1/2”...
  • Page 17 FOLDING LADDER Komatsu 960E Truck Section 5-4. Hydraulic Cylinder (Valve Diagram) See also Drawing page 16 Double Acting Hydraulic System with directional Control Valve and Cylinder Lock Valve 0.030” 0.030” Pg17 PSA-K960E-FS 07-3-12...
  • Page 18 FOLDING STAIRWAY Komatsu 960E Truck Section 5-5 Power Pack PS-80103A-SLD See Parts List Pg. 20 View A View B Hoses shown dotted Pg18 PSA-K960E-FS 07-3-12...
  • Page 19 FOLDING STAIRWAY Komatsu 960E Truck Section 5-5 Power Pack PS-80103A-SLD See Parts List Pg. 20 View A View B NOTE. THE RELIEF PRESSURE OF THE POWERPACK IS TO BE SET TO 2800PSI. IF THE POWERPACK IS REPLACED,THIS RELIEF PRESSURE WILL NEED TO BE RESET USING INLINE GAUGES.

  • Page 20: Power Pack Assembly

    FOLDING STAIRWAY Komatsu 960E Truck Section 5-5 Power Pack PS-80103A-SLD See Photos Pg. 18 & 19 Item Part No. Part Name PS-80103A-SLD POWER PACK ASSEMBLY PS-21107-METAL MOTOR ENCLOSURE- SEALED ST/ST PS-80103A POWER PACK PS-80103-CLAMP CLAMP ELECTRIC MOTOR PS-82415 AUDIBLE ALARM...
  • Page 21 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6. Electrical Controls Proximity Switch Assembly Mounted on Fixed Landing Cab Harness & Equipment Refer Wiring Harness Drawings Pages 23-26 Pg21 PSA-K960E-FS 07-3-12...
  • Page 22 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6. Electrical Controls See Photos Pg. 21 Item Part No. Part Name PS-73013 CONTROL PENDANT SWITCH PS-73013-B CONTROL PENDANT BRACKET PS-75430 PROXIMITYSWITCH PS-77005 HAND RAIL SWITCH HARNESS PS-77004 PROXIMITY MAGNETIC SWITCH HARNESS...

  • Page 23: Electrical System Wiring Diagrams

    FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6 - Electrical System Wiring Diagram - Pg 1 Pg23 PSA-K960E-FS 07-3-12...
  • Page 24 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6 - Electrical System Wiring Diagram - Pg 2 Pg24 PSA-K960E-FS 07-3-12...
  • Page 25 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6 - Electrical System Wiring Harness - Pg 3 Pg25 PSA-K960E-FS 07-3-12...
  • Page 26 FOLDING STAIRWAY Komatsu 960E Truck Hydraulic Operation Section 5-6 - Electrical System Wiring Harness - Pg 4 Pg26 PSA-K960E-FS 07-3-12...

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