Bobcat 763 & 763H High Flow Skid Steer Loader Service Manual 6900091 – PDF Download

Description

Bobcat 763 & 763H High Flow Service Manual – Document 6900091

This is the complete service manual for the Bobcat 763 and 763 High Flow (763H) skid steer loaders, published under document number 6900091. Whether you are servicing a standard 763 or the high-flow 763H variant, this manual provides the detailed procedures, specifications, and diagnostic guidance needed to maintain, repair, and troubleshoot these machines correctly.

The manual covers loaders within the following serial number ranges: S/N 512212001 thru 512249999, S/N 512440001 thru 512449999, and S/N 512612001 thru 512619999. It is an essential resource for anyone performing maintenance or repairs on these specific machines, from routine fluid changes to complex hydrostatic pump overhauls.

File Details

• Manual Type: Service Manual
• Brand: Bobcat
• Model: 763, 763 High Flow (763H)
• Document Number: 6900091
• Language: English
• Format: PDF
• Page Count: Approximately 560 pages
• Revision Date: Revised January 1999, with later revisions through January 2002

Chapters Covered

The manual is organized into ten major sections, each addressing a specific system or service area of the Bobcat 763 and 763H:

• Preventive Maintenance – Service schedule, air cleaner service, alternator belt adjustment, drive belt service, engine cooling system, engine lubrication system, fan gearbox, final drive transmission (chaincase), fuel system, hydraulic/hydrostatic system, lift arm support device, lifting and blocking the loader, lubrication procedure, operator cab, remote start switch, seat bar restraint system, spark arrestor muffler, tire maintenance, towing and transporting
• Hydraulic System – Hydraulic/hydrostatic schematic diagrams, hydraulic system information, control valve, BICS valve, control pedals, hydraulic cylinders, hydraulic filter housing, hydraulic fluid reservoir, hydraulic pump, lift lock by-pass valve, select valve (763H), tilt lock valve, troubleshooting chart, glossary of hydraulic/hydrostatic symbols
• Hydrostatic System – Hydrostatic drive motor disassembly and assembly, hydrostatic pump disassembly and assembly, oil cooler, spring loaded and fixed drive belt tensioner pulleys, steering linkage, steering neutral adjustment, troubleshooting chart
• Drive System – Axle seal, axle/sprocket/bearings, chaincase covers, chaincase fluid, drive chain, motor carrier, parking brake, parking brake disc, traction lock guides
• Main Frame – Bob-Tach, fuel tank, lift arms, operator cab, operator cab gas cylinder, operator seat, rear door, rear grill, seat bar (with gas cylinder and with compression springs), rear lights
• Electrical System – Alternator, battery, electrical system information, front lights, relay switches, standard instrument panel, starter (Delco Remy and Denso), troubleshooting chart
• Engine Service – Air cleaner, blower housing/fan gearbox, crankshaft and bearings, crankshaft gear, cylinder bore, cylinder head, engine compression, engine muffler, engine speed control, fan gearbox, flywheel, fuel camshaft, fuel injection nozzles, fuel injection pump, glow plugs, idler gear and camshaft, oil pump, piston and connecting rod, radiator, rocker arm and shaft, timing gears, timing gearcase cover, valve clearance, valve/valve seat and guide, water pump, troubleshooting chart
• Systems Analysis – Bobcat Interlock Control System (BICS) inspection and troubleshooting, BICS system controller, seat bar sensor, seat sensor, traction lock, Bobcat Operation Sensing System (BOSS), BOSS diagnostic tool, monitor service codes, operation sensing system unit, RPM sensor, sender and sensor service checks, electrical/hydraulic controls reference
• Specifications – Decimal and millimeter equivalents, engine specifications, hydraulic/hydrostatic fluid specifications, hydraulic connection specifications, loader specifications, standard torque specifications for bolts, torque specifications for loader, U.S. to metric conversion
• Advanced Hand Control System (AHC) – Actuator voltage test, AHC components, AHC/PWM controller, control handle, handle control unit test, hydraulic control valve, switch handle, BICS valve, troubleshooting chart

IMAGES PREVIEW

This service manual goes far beyond routine maintenance. It provides the complete disassembly, inspection, assembly, and adjustment procedures for every major system on the 763 and 763H skid steer loaders. The hydraulic and hydrostatic sections include detailed schematic diagrams that show how fluid flows through the control valve, BICS valve, select valve, and drive circuits. The engine section covers the Kubota V2203E diesel engine in depth, from glow plug testing to crankshaft re-grind data. The electrical section includes wiring schematics, starter disassembly for both Delco Remy and Denso units, and alternator testing procedures. The systems analysis section provides diagnostic charts for the BICS and BOSS systems, including monitor service codes and troubleshooting guides.

What This Manual Helps You Do

With this Bobcat 763 service manual, you can confidently tackle jobs such as:

• Adjusting the drive belt on both spring-loaded and fixed idler configurations
• Testing and adjusting the main relief valve pressure
• Checking charge pressure and replenishing valve function
• Removing and installing hydraulic cylinders, including seal replacement
• Overhauling the hydrostatic pump and drive motor
• Disassembling and assembling the control valve, BICS valve, and select valve
• Servicing the parking brake and traction lock system
• Replacing the motor carrier and axle bearings
• Diagnosing BICS and BOSS system faults using the troubleshooting charts and service codes
• Testing glow plugs, fuel injection nozzles, and the fuel injection pump
• Setting valve clearance and timing the injection pump
• Checking engine compression and oil pressure
• Understanding the advanced hand control system (AHC) and its diagnostic codes

The manual also includes torque specifications for loader components, standard torque specifications for bolts, and a detailed engine specification section with service limits and wear tolerances.

Why the Right Manual Matters

Skid steer loaders like the Bobcat 763 and 763H are complex machines with interconnected hydraulic, hydrostatic, electrical, and mechanical systems. Using incorrect procedures or specifications can lead to premature component failure, expensive repairs, or unsafe operating conditions. This manual provides the exact procedures, torque values, pressure settings, and diagnostic steps that Bobcat service personnel use, giving you the confidence that your repairs are done correctly the first time.

The troubleshooting charts are particularly valuable — they help you pinpoint problems quickly rather than replacing parts by guesswork. Whether the issue is a hydraulic function that will not operate, a transmission warning light that comes on, or an engine that is hard to start, the troubleshooting charts guide you toward the most likely causes and the correct fix.

Serial Number Coverage

This manual covers Bobcat 763 and 763H loaders within these serial number ranges:

• S/N 512212001 thru 512249999
• S/N 512440001 thru 512449999
• S/N 512612001 thru 512619999

Some procedures in the manual note specific serial number breakpoints where components or procedures differ. Always check the serial number of your machine before beginning a repair to ensure you are following the correct procedure.

Instant PDF Delivery

This Bobcat 763 and 763H service manual is delivered as an instant PDF download — no shipping, no waiting. You can access it immediately after purchase on any device, whether you are in the shop, in the field, or at home. The PDF format lets you zoom in on detailed illustrations, search for specific terms, and print the pages you need for the job at hand. Keep it on your computer, tablet, or smartphone for quick reference whenever you are working on your machine.

Whether you are a professional mechanic, a fleet maintenance technician, or an owner-operator who prefers to do your own repairs, this manual provides the information you need to keep your Bobcat 763 or 763H running reliably.