1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual

Technical reference spanning EX300, EX300LC, EX300H, EX300LCH models: hydraulic system diagrams, engine specifications, and maintenance procedures. Part number: HU11-1A

5.0starstarstarstarstar(1)
visibility Preview Available
Hitachi 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual page preview - page 1 of 1033

Sample pages from the 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual

Hitachi 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual preview page 1 - thumbnail
Hitachi 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual preview page 2 - thumbnail
Hitachi 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual preview page 3 - thumbnail
Hitachi 1988-1991 Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual manual preview page 4 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$26.19 (incl. VAT) Instant Download / No Shipping Fees
1 sold in the last 30 days
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
31004 / Walter Thomas
File Size:
50.03 MB
File Type:
PDF
Language:
English
Pages:
1033
Printable:
Yes
Category:
Excavator
Last updated / verified
Dec 20, 2025

Models Covered & Key Technical Specifications

In-Depth Engineering Installation Manual: Excavator Genuine Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual - Technical Manual (Operational Principle, Troubleshooting, Workshop Manual) 1988-1991 Procedure-Library

Reference-Category: Excavator // Reference-Category: Excavator / Hydraulic System Logic // Model-Designation: Service Manual. System Cycle Rate: 1200 psi is set to 2000 psi for optimal system performance Mapping. Core Rotation Data: For complex operations, 40 kgf/cm² corresponds to the standard torque Benchmarks. Specific Installation Footprint: The counterweight requires 6200 kg for stability Configuration. Critical Threaded Fastener Data: For general assembly, 30 mm is the specified bolt size Baseline. Universal Alignment Specs: The swing device requires 362 kg, ensuring precise alignment Sequences. Technical Output Performance: 56.22 m² signifies the radiator surface area Configuration.

Professional Workshop Service Manual & Technical Specifications

In-Depth Engineering Installation Manual: Excavator Genuine Hitachi EX300, EX300LC, EX300H, EX300LCH Excavator Service Manual - Technical Manual (Operational Principle, Troubleshooting, Workshop Manual) 1988-1991 Procedure-Library

Reference-Category: Excavator // Reference-Category: Excavator / Hydraulic System Logic // Model-Designation: Service Manual.

TOP of description

Assessment-Element Operational-Logic Validation-Data
Group 1-Introduction 1988-1991 Coverage HU3-2-1~2
Group 2-Construction Component Overview GN11-1~2
Group 3-Hydraulic System Schematic Diagrams GN11-3-1~6
Group 4-Electric System Circuit Operations ES5-1~4
Group 5-Maintenance Interval Charts GN10-5-1~30

Systematizing the service groups into:

Timing procedures are documented for hydraulic system maintenance, including oil changes and filter replacements.

Technical notes are provided for engine specifications, covering detailed part numbers and troubleshooting.

Quality checks are addressed for the superstructure components, detailing assembly and disassembly procedures.

The [component] section documents the electrical system, outlining circuit operations and component identification.

The troubleshooting chapter addresses common issues, providing diagnostic flowcharts for efficient problem resolution.

This manual documents torque specifications for various components to ensure proper oscillation integrity.

FAQ

Confirm the **recommended** diagnostic procedures for the hydraulic system. keyboard_arrow_down

HU3-2-1 details the recommended diagnostic procedures, focusing on the main hydraulic circuit and pilot hydraulic circuit.

What tools are required for **calibrated** fluid capacity requirements? keyboard_arrow_down

10 L of gear oil is required for the swing reduction unit, with specific tools for draining and filling mentioned in the maintenance section.

Identify the **applicable** component identification for the engine. keyboard_arrow_down

HINO EP100-T is the applicable engine model, detailed on page SP85-2A-1, including its specifications and relevant part numbers.

Customer Reviews

Read what our customers say about this Hitachi Excavator manual and share your own experience.

Add a Review

* Required information
1000
Captcha Image

Reviews (1)

Avatar
New
This service manual is incredibly detailed and easy to navigate. The troubleshooting section has saved me countless hours. Plus, the download process was smooth and I received my link promptly!