Pittsburgh 58794 User Manual

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Item 58794
Weight Capacity 1 Ton (2,000 lb.)
Maximum Height 85-7/8"
Minimum Height 12-1/2"
Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual (or month and year of purchase if product has no number). Keep this manual and the
receipt in a safe and dry place for future reference. 22l
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
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2022 by Harbor Freight Tools
®
. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

Pittsburgh 58794 Specifications

General

Brand	Pittsburgh
Model	58794
Category	Lifting Systems
Language	English

Summary

Owner's Manual & Safety Instructions

Save This Manual

Keep manual for safety, assembly, operating, inspection, maintenance, and cleaning procedures for future reference.

Product Information and Support

Details on weight capacity, maximum/minimum height, and contact information for technical support.

Initial Safety Warning

Warning to read material before use to avoid serious injury.

Warning Symbols and Definitions

Safety Alert Symbol Usage

Symbol indicating potential personal injury hazards; requires adherence to safety messages.

Hazard Level Definitions

Defines DANGER, WARNING, CAUTION, and NOTICE symbols and their associated risks.

Important Safety Information

General Safety Warnings

Comprehensive safety precautions for operating the equipment, covering capacity, surface, load handling, and personal protective equipment.

Specifications and Assembly

Product Specifications

Lists ram capacity and boom positions for different weight loads.

Package Contents

Details the parts included in the package, organized by box.

Bolt Shaft Identification

Visual guide to identify and match correct bolts for assembly based on shaft and measurements.

Assembly Preparation

Warnings regarding correct bolt usage, two-person assembly, and bolt tightening timing.

Assembly Steps - Base and Legs

Caster Installation

Instructions for attaching casters to the base and legs using specified bolts and washers.

Leg and Slider Attachment

Steps to attach legs to the base using pins and secure them with R-pins.

Support Structure Assembly

Guide for mounting the support post and support braces to the base and post.

Assembly Steps - Boom and Ram

Boom and Ram Mounting

Instructions for attaching the boom to the support post and the ram to the boom and post using bolts.

Ram Handle and Extension Attachment

Steps for attaching the ram handle and securing the boom extension with pins.

Chain and Hook Installation

Procedure to attach the chain and hook assembly to the boom extension.

Operating Procedures

Lifting and Lowering Loads

Detailed steps on how to operate the crane for lifting and lowering, including boom adjustment and ram operation.

Folding the Shop Crane

Instructions on how to safely fold the shop crane, including lowering the boom and securing the legs.

Hydraulic System and Maintenance

Bleeding the Hydraulic System

Procedure to remove air from the hydraulic system to ensure proper operation.

Pre-Use Inspection and Testing

Guidelines for checking the tool's condition, hardware, and testing the ram before each use.

Hydraulic Oil Change and Storage

Instructions for changing hydraulic oil every three years and proper storage of the equipment.

Troubleshooting and Repairs

Troubleshooting Common Symptoms

Identifies possible ram issues and provides solutions, emphasizing safety during troubleshooting.

Repair and Technician Recommendation

Disclaimer on user repairs, recommending certified technicians for all repairs and parts replacement.

Parts Lists and Diagrams

Crane Parts Identification

Comprehensive list and diagram of all parts specific to the shop crane assembly.

Ram Parts List and Diagram

Hydraulic Ram Component Breakdown

Detailed breakdown and diagram of the individual components of the hydraulic ram assembly.

Limited 90 Day Warranty

Warranty Coverage and Claims

Details the terms, conditions, exclusions, and process for making a warranty claim.