Kubota LA1153 User Manual

LA1153, LA1353, WSM
SAFETY INSTRUCTIONS
SAFETY FIRST
This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on
the machine itself
to warn of the possibility of personal injury. Read these instructions carefully.
It
is essential that you read the instructions and safety regulations before you attempt to repair or use
this unit.
• NOTE
: Gives helpful information.
BEFORE SERVICING AND REPAIRING
• Read all instructions and safety instructions in this
manual and on your machine safety decals.
• Clean the work area and machine.
• Park the machine on a firm and level ground, and set
the parking brake.
• Lower the implement to the ground.
• Stop the engine. and remove the key.
• Disconnect the battery negative cable.
• Hang a
''~O NOT OPERATE" tag in operator
station.
A DANGER
: Indicates an imminently hazardous situation which,
if not avoided, will result in
death
or serious injury,
A WARNING
: Indicates a potentially hazardous situation which,
if not avoided, could result in
death or serious injury.
A CAUTION
: Indicates a potentially hazardous situation which,
if not avoided, may result in
minor or moderate injury.
• IMPORTANT
: Indicates that equipment
or property damage could result if instructions are not
followed .
1

Kubota LA1153 Specifications

General

Bucket Width	72 inches (183 cm)
Rollback Angle	40 degrees
Breakout Force	5, 291 lbs (2, 400 kg)
Dump Height	9 ft (2.7 m)
Lift Height	102.4 inches (260 cm)

Summary

SAFETY INSTRUCTIONS

Safety First and Symbol Definitions

Explains the "Safety First" concept and defines DANGER, WARNING, CAUTION, IMPORTANT, and NOTE symbols.

Before Servicing and Repairing

Essential steps to follow before performing maintenance or repairs on the machine.

Operational Safety Precautions

Covers safe starting, working practices, fire prevention, ventilation, acid burn prevention, and emergency preparedness.

Safety Decals

Information about safety decals installed on the machine and their importance.

LOADER TERMINOLOGY AND SPECIFICATIONS

Loader Terminology

Identifies and labels key components of the front loader.

Loader and Bucket Specifications

Technical data for LA1153/LA1353 loader and bucket models.

Dimensional and Operational Specifications

Detailed measurements and performance capacities of the loader.

CONTROL VALVE AND HYDRAULIC SYSTEM OPERATION

LA1153 Standard Control Valve

Covers hydraulic circuit, structure, operation, and relief valve for LA1153 valve.

LA1353 Standard Control Valve

Covers hydraulic circuit, structure, operation, and relief valve for LA1353 valve.

Self-Level Valve Overview

Covers hydraulic circuit, structure, and operation of the self-level valve.

Boom and Bucket Cylinder Operations

Describes boom raising, lowering, floating, and bucket operations using hydraulic diagrams.

General Relief Valve Function

Explains the main relief valve's function, operation, and settings.

Overload Relief Valve Function

Explains the overload relief valve's function, operation, and anti-cavitation properties.

GENERAL MAINTENANCE, TROUBLESHOOTING, AND SERVICING

General Information and Maintenance Checks

Covers identification, precautions, lubricants, and daily/10-hour maintenance tasks.

Troubleshooting Guide

Lists common symptoms, probable causes, and solutions for loader issues.

Servicing Specifications and Tightening Torques

Provides specifications for relief valve pressure, rod bend, and torque values for fasteners.

Dismounting Front Loader from Tractor

Step-by-step instructions for safely detaching the loader from the tractor.

Control Valve Disassembly and Servicing

Procedures for checking, adjusting, disassembling, and servicing the control valve.

Self-Leveling Adjustment Procedure

Instructions for adjusting the self-leveling feature for proper attachment tilt.

Cylinder Disassembly and Servicing

Procedures for disassembling hydraulic cylinders and hoses.