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Power Step Caterpillar 785D - User Manual

Power Step Caterpillar 785D
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PSA-CAT785-FS 25-7-13B
Model No.: PSA-785D-FS
Serial No.: 785D-001 to 785D-002
Date Manufactured: Sept 2009
FOLDING RETRACTABLE STAIRWAY
Manual for Cat 785D Haul Truck
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Summary

Section 1 Mounting and Installation

Section 2 Electrical Installation

Section 3 Installation of Hydraulic Power Pack Enclosure

Section 4 Operating Procedure

Flow Control Valve Adjustment

Adjust valve to control Power Step lowering speed and lock knob.

Magnetic GO Switch Adjustment

Adjust switch gap to trigger point for stair rest position.

Section 5 Recommended Maintenance Procedure

Daily Maintenance Checks

Visual checks for damage, leaks, and reporting.

500-Hour Maintenance Schedule

Lubrication, bolt torque checks, oil level, and wiring inspection.

5000-Hour Maintenance Schedule

Hydraulic oil change, lubrication, and bolt inspection/retorquing.

Section 6 Assembly Complete - Main Assemblies

6-1 Assembly Complete Overview

Shows the overall assembly with numbered main components.

6-2 Landing Assembly Diagram

Exploded view of the landing assembly with numbered parts.

6-3 Stair Assembly Diagram

Exploded view of the stair assembly with numbered parts.

6-4 Electrical System Overview

Diagrams and images of proximity switches, control pendant, and harnesses.

6-5 Hydraulic Cylinder Assembly Diagram

Exploded view of the hydraulic cylinder with parts and fittings.

6-6 Power Pack Component Views

Images showing different views of the power pack unit with numbered parts.

Power Step Caterpillar 785D Specifications

General IconGeneral
BrandPower Step
ModelCaterpillar 785D
CategoryConstruction Equipment
LanguageEnglish