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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...
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.
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.
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.
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.
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...
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”...
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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...
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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...
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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.
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...
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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...
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