1. Manuals
  2. Brands
  3. Power Step Manuals
  4. Ladders
  5. PSA-D11R-FL
  6. Manual

Power Step PSA-D11R-FL Manual

Folding ladder
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
FOLDING LADDER
Manual for Cat D11R Dozer
Half Rear Walkway
Includes HARNESS MASTER ELECTRICAL WIRING DETAILS AND DIAGRAMS.
PSA-D11R-F/L
210610
Model No.PSA-D11R-FL
Serial No.:LD11-001 to LD11-021
Date Manufactured: Feb. 2003 to date

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PSA-D11R-FL and is the answer not in the manual?

Questions and answers

Related Manuals for Power Step PSA-D11R-FL

Summary of Contents for Power Step PSA-D11R-FL

  • Page 1 FOLDING LADDER Manual for Cat D11R Dozer Half Rear Walkway Includes HARNESS MASTER ELECTRICAL WIRING DETAILS AND DIAGRAMS. Model No.PSA-D11R-FL Serial No.:LD11-001 to LD11-021 Date Manufactured: Feb. 2003 to date PSA-D11R-F/L 210610...

  • Page 2: Table Of Contents

    FOLDING LADDER Caterpillar D11R Dozer (Half Rear Walkway) CONTENTS Page 3 Section 1 Installation and Mounting instructions Installation Drawings Section 2 Electrical System Wiring Diagrams Section 3 Recommended Maintenance procedure Section 4 Operating Procedure Section 5 Drawings and Repair Parts lists 5 Assembly Complete 5-1 Ladder Assembly Parts List...
  • Page 3 See Drawing 21-985 (Page 4) NOTE Follow all on-site/Mine lifting and safety procedures when installing Power Step Landings to Dozer. PROCEDURE Remove grille plates from the rear of both mudguards. Remove the light and/or horn from the rear of the left-side mudguard.
  • Page 4 FOLDING LADDER Caterpillar D11R Dozer Installation and Mounting Instructions 21-985 PSA-D11R-F/L 210610...
  • Page 5 FOLDING LADDER Caterpillar D11R Dozer Installation and Mounting Instructions See Drawings Page 6 and 7 PROCEDURE Fit Mounting Blocks per Drg 21-985 Per View 2, Spreader Plate: Fit Spreader Plate 22 937 to rear mounting blocks. Use Washer Plates and washers under bolt heads - ensure maximum engagement of bolt threads in blind threaded holes.
  • Page 6 FOLDING LADDER Caterpillar D11R Dozer Section 1 Installation Instruction Drawings - 21.986 Page 1 PSA-D11R-F/L 210610...
  • Page 7 FOLDING LADDER Caterpillar D11R Dozer Section 1 Installation Instruction Drawings - 21.986 Page 2 PSA-D11R-F/L 210610...
  • Page 8 Tighten the hydraulic fittings either side of lock valve to restriction fitting. Cycle step unloaded several times to purge all air from hydraulic system. The Power Step will not operate correctly if there is any air in the hydraulic circuit (due to the incorrect operation of the lock valve).
  • Page 9 FOLDING LADDER Caterpillar D11R Dozer Electrical System - Wiring Diagram Page 1 Power Step D11 Machine and Dash Wiring for Ladder Lamps Power Step D11 Shutdwn Circuit PSA-D11R-F/L 210610...
  • Page 10 FOLDING LADDER Caterpillar D11R Dozer Electrical System - Wiring Diagram Page 2 Pg10 PSA-D11R-F/L 210610...

  • Page 11: Section 3 Recommended Maintenance Procedure

    FOLDING LADDER Caterpillar D11R Dozer Section 3 Recommended Maintenance Procedure Daily Visually check ladder 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 the nipples on the rotation shaft and sector gears.

  • Page 12: Section 4 Operating Procedure

    FOLDING LADDER Caterpillar D11R Dozer Section 4 Operating Procedure To Lower Ladder (from the machine) Position machine in a level, safe area, away from the work face, whenever possible. Apply park brake and lower engine speed to idle. Check that the area below the Ladder Access System is clear of people and obstacles, and lower ladder by operating the two position electrical switch adjacent to the ladder, to the down position by pressing the switch down.

  • Page 13: Assembly Complete

    FOLDING LADDER Caterpillar D11R Dozer Section 5 Assembly Complete Pg13 PSA-D11R-F/L 210610...
  • Page 14 FOLDING LADDER Caterpillar D11R Dozer Section 5-1 Ladder Assembly Pg14 PSA-D11R-F/L 210610...
  • Page 15 FOLDING LADDER Caterpillar D11R Dozer Section 5-1 Ladder Assembly See Drawing Page 14 Item Part No. Part Name PS-21924 LADDER & HANDRAIL FABRICATION PS-21977 ROTATION SHAFT PS-21958 PINION ASSEMBLY PS-21926-01 LADDER SHAFT PIVOT BUSH-MIDDLE PS-21926-02 LADDER SHAFT PIVOT BUSH-NON DRIVE END PS-21926-03 LADDER SHAFT PIVOT BUSH- DRIVE END CPS-M12X50...

  • Page 16: 16 5-2 Landing Assembly Lhs

    FOLDING LADDER Caterpillar D11R Dozer Section 5-2 Landing Assembly LHS. Pg16 PSA-D11R-F/L 210610...
  • Page 17 FOLDING LADDER Caterpillar D11R Dozer Section 5-2 Landing Assembly LHS. See Drawing Page 16 Item Part No. Part Name PS-21970 LANDING BEAM PS-21982 LANDING FLOOR PS-21983 HANDRAIL PS-21932 ISOLATOR PIN BRACKETS PS-21930 ISOLATOR MOUNTINGS PS-21976 FRONT PIVOT PIN BRACKET PS-21941-02 ANTI VIBRATION BEARING PS-21941-06 RUBBER BUSH...
  • Page 18 FOLDING LADDER Caterpillar D11R Dozer Section 5-3 Landing Assembly Rear Item Part No. Part Name PS-21935 LANDING ASSEMBLY-REAR PS-21936 HANDRAILS- REAR PS-21928 REAR LANDING BRACKET PS-22005-01 ANGLE BRACKET PS-21990 RIPPER LIGHT BRACKET PS-M16X50ZP BOLT-M16 x 50 PS-M16X30ZP BOLT-M16 x 30 PS-M12X40ZP BOLT-M12 x 40 PS-M12X30ZP...
  • Page 19 FOLDING LADDER Caterpillar D11R Dozer Section 5-4 Spreader Assembly Pg19 PSA-D11R-F/L 210610...
  • Page 20 FOLDING LADDER Caterpillar D11R Dozer Section 5-4 Spreader Assembly See Drawing Page 19 Item Part No. Part Name PS-21937 SPREADER PS-21931 98 ISOLATOR PIN BRACKET-OUTER LEFT PS-21931 99 ISOLATOR PIN BRACKET-INNER PS-21929 REAR LANDING POST PS-22785 01 REAR TOP INNER MOUNTING BLOCK PS-22785 02 REAR LOWER INNER MOUNTING BLOCK PS-22785 03...

  • Page 21: 21 5-5 Drive Unit Assembly

    FOLDING LADDER Caterpillar D11R Dozer Section 5-5 Drive Unit Assembly Pg21 PSA-D11R-F/L 210610...
  • Page 22 FOLDING LADDER Caterpillar D11R Dozer Section 5-5 Drive Unit Assembly See Drawing Page 21 & 7 Item Part No. Part Name PS-63014 HYDRAULIC CYLINDER PS-21974 DRIVE MOUNTING FRAME PS-21959 SECTOR GEAR PS-21984 DRIVE GUARD PS-21954 ACTUATOR CYL. MOUNTING ASSEMBLY PS-21991 PROXIMITY SWITCH PLATES PS-61006-2 GREASE NIPPLE M6 STR.
  • Page 23 FOLDING LADDER Caterpillar D11R Dozer Section 5-6 PROP Assembly Item Part No. Part Name PS-21987 PROP MOUNTING FRAME PS-21945 PROP PS-21987-16 ROOF BUTTON PS-21987-14 BOLTING PAD PS-21987-13 SPACER PS-21930 ISOLATOR MOUNTING PS-40003 BUFFER CPS-1/2”UNC ISOLATOR PIN 1/2” x 4.5” CPS-M12X50ZP BOLT-M12 x 50 CPS-M12X25ZP BOLT-M12 x 25...
  • Page 24 FOLDING LADDER Caterpillar D11R Dozer Section 5-7 Hydraulic Cylinder Item Part No. Part Name PS-63014 HYDRAULIC CYLINDER PS-63011K SEAL KIT (NOT SHOWN) PS-63201 VALVE - PILOT OPERATED LOCKING PS-63202 FLOW CONTROL VALVE PS-61159 FITTING - ELBOW-9/16” JIC PS-61154 FITTING - ELBOW- O RING 1/4BSPPx9/16”JIC PS-61157 FITTING - O RING 1/4BSPPx 9/16”JIC PS-61158-0.30...
  • Page 25 FOLDING LADDER Caterpillar D11R Dozer Section 5-7 Hydraulic Cylinder See also Drawing page 24 Double Acting Hydraulic System with directional Control Valve and Cylinder Lock Valve 0.030” 0.030” Pg25 PSA-D11R-F/L 210610...
  • Page 26 FOLDING LADDER Caterpillar D11R Dozer Section 5-8 Power Pack Pg26 PSA-D11R-F/L 210610...

  • Page 27: 26 5-8 Power Pack

    FOLDING LADDER Caterpillar D11R Dozer Section 5-8 Power Pack See Photos Page 26. Item Part No. Part Name PS-80103A-SS POWER PACK ASSEMBLY (Incl. Items.2-11) PS-21107SS MOTOR ENCLOSURE- SEALED ST/ST PS-80103A POWER PACK PS-75024 AUDIBLE ALARM PS-84214 BRIDGE RECTIFIER PS-82402 SOLENOID PS-60050-900MM HYDR.

  • Page 28: Access System Electrical Overview

    FOLDING STAIRWAY Caterpillar D11R Dozer Access System Electrical Overview The Power Step electrical control system has been designed to cater for every conceivable circumstance in the mining industry. The system has been built to withstand all the environmental issues normally associated with mining and some additional features not yet seen on any current systems.
  • Page 29 FOLDING STAIRWAY Caterpillar D11R Dozer Access System Electrical Overview (cont.) Once the ladder has been raised and reached its top proximity switch the hydraulic motor will run for an additional three seconds to ensure it is fully stowed. This system also features optional locks which are for any electric or electric over hydraulic function which may need to be locked out to prevent damage to the ladder system (i.e.) swing and/or travel on excavators.

  • Page 30: Electrical Controls

    FOLDING LADDER Caterpillar D11R Dozer Section 5-9 Electrical Controls Refer also Wiring Drawings Page 9 & 10. Proximity Switch Assembly Hand Control Switch Assembly MANUAL INSTALLATION DRAWINGS Pg30 PSA-D11R-F/L 210610...
  • Page 31 FOLDING LADDER Caterpillar D11R Dozer Section 5-9 Electrical Controls Refer also Wiring Drawings Page 9 &10. See Photos Page 30. Item Part No. Part Name PS-73013 HAND CONTROL SWITCH ASSEMBLY PS-73013B BRACKET PS-73005 HARNESS PS-75430 PROXIMITY SWITCH ASSEMBLY PS-75430A BRACKET PS-75430B BRACKET PS-75402...
  • Page 32 FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-9 Electrical Controls (Cont.) Pg32 PSA-D11R-F/L 210610...
  • Page 33 FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-9 Electrical Controls (Cont.) Pg33 PSA-D11R-F/L 210610...
  • Page 34 FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-9 Electrical Controls (Cont.) Pg34 PSA-D11R-F/L 210610...

  • Page 35: Controls Installation Diagram

    FOLDING STAIRWAY Caterpillar D11R Dozer Controls Installation Diagram Section 5-9 Pg35 PSA-D11R-F/L 210610...

  • Page 36: Bill Of Materials

    FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-10 Bill of Materials Pg36 PSA-D11R-F/L 210610...
  • Page 37 FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-10 Bill of Materials Pg37 PSA-D11R-F/L 210610...
  • Page 38 FOLDING STAIRWAY Caterpillar D11R Dozer Section 5-10 Bill of Materials HARNESS MASTER BATTERY CABLES HMBC-R25-400-1010-00-1 > > Pg38 PSA-D11R-F/L 210610...

Table of Contents