Bobcat 853 853h Skid Steer Loader Service Manual

Bobcat 873 Skid Steer Loader Parts Manual

📘 Bobcat 853 / 853H Skid Steer Loader Mechanical Service Manual – Complete Guide

This in-depth guide outlines everything covered in the Bobcat 853 / 853H Mechanical Service Manual, including diagnostics, systems, disassembly, troubleshooting, and maintenance procedures.

🔧 Manual Overview

Models Covered:

• Bobcat 853 Skid Steer Loader
• Bobcat 853H Skid Steer Loader

Manual Type:

• Mechanical Service Manual (PDF format)

Purpose:

• Step-by-step repair and maintenance instructions
• Diagrams for disassembly and reassembly
• Diagnostic procedures and specifications

🛠️ Section-by-Section Content Breakdown

Each section is crafted to provide detailed instructions and technical insights. Below is a breakdown of the key sections included:

🧩 1. General Information & Safety

• Proper usage and maintenance practices
• Loader model identification
• Safety decals and operational precautions
• Hydraulic and lift arm safety instructions

🛠️ 2. Specifications

• Engine specifications (Diesel-powered)
• Hydraulic pressure ranges
• Loader capacities (rated operating capacity, tipping load)
• Tire sizes and torque values

🔍 3. Troubleshooting

• Common fault diagnosis charts
• Hydraulic and electrical issue flowcharts
• Drive system problem indicators
• Warning lights and error code interpretation

⚙️ 4. Hydraulic System

• Hydraulic component diagram
• Pump removal and installation procedures
• Cylinder disassembly and seal replacement
• Valve overhaul and testing
• Filter servicing and fluid specifications

🏗️ 5. Hydrostatic Drive System

• Pump and motor testing
• Drive belt inspection and replacement
• Relief valve pressure checks
• Troubleshooting travel issues

🪛 6. Main Frame & Loader Arm

• Loader arm bushing and pin replacement
• Tilt and lift cylinder servicing
• Boom lock and safety interlock procedures
• Frame alignment and crack inspection

🔋 7. Electrical System

• Battery, starter, and alternator servicing
• Complete wiring diagram
• Fuses and relay functions
• Diagnostic socket and controller testing

🧰 8. Engine Service (Kubota V2203-DI-E2B Engine)

• Engine removal and installation
• Cylinder head torque specs
• Valve clearance and timing adjustment
• Fuel system servicing and injection testing
• Cooling system inspection and radiator flushing

🛞 9. Wheels and Tires

• Lug torque specifications
• Tire removal and installation
• Wheel bearing lubrication
• Alignment check procedures

🧱 10. Cab & Controls

Control lever disassembly

• Seat and restraint system servicing
• Joystick and pedal adjustment
• Cab lifting procedures and maintenance

📉 11. Maintenance Schedule

Daily, 50-hour, 250-hour, and annual checks

Fluid change intervals

Greasing points and lube chart

Bobcat 853 853h Skid Steer Loader Workshop Service Manual