Bobcat T140 Loader Service Manual - Joystick Calibration & Hydrostatic Drive (6987041enUS)

Bobcat T140 Compact Track Loader Service Manual 6987041enUS (08-14)

This comprehensive service manual delivers advanced diagnostics, hydraulic calibration procedures, engine servicing, electrical schematics, and HVAC system repair for the Bobcat T140 Compact Track Loader. Tailored for models equipped with BICS™ and serial numbers A3L720001 & Above and A3L820001 & Above, this manual is ideal for in-depth workshop maintenance and troubleshooting.

Model Covers:

Bobcat T140 Compact Track Loader
S/N A3L720001 & Above
S/N A3L820001 & Above
Equipped with BICS™ (Bobcat Interlock Control System)

File Format: PDF

Size: 26.30 MB

No. of pages: 801

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

Maintenance & Safety Operations

• Lift arm support, cab access, remote start setup, emergency exit procedures
• Engine oil, fuel, cooling system, hydraulic fluid, and lubrication chart servicing
• Spark arrestor, pivot pin checks, loader storage, seat belt maintenance

Hydraulic & Hydrostatic System

• Control valve variants (standard, ACS, SJC), relief valve setup, spool servicing
• Full testing and disassembly for lift, tilt, Bob-Tach and diverter cylinders
• Pump flow tests, bypass control valve, charge filter, reservoir, and cooler service

Drive System & Undercarriage

• Hydrostatic motor and pump calibration, neutral adjustments, belt/tensioner service
• Brake testing, track removal, tensioner procedures by serial range, roller and idler work
• Track housing, sprockets, damage identification and undercarriage servicing

Mainframe & Operator Station

• Cab disassembly, seat suspension, fuel tank, control pedals and console diagnostics
• Window replacement (standard/special), Bob-Tach (manual & power), cab door alignment
• Lift arm installation, striker, rear door, grille, and 3-point seat belt servicing

Electrical System & BICS™ Controls

• Wiring diagrams, fuse/relay layout, controller identification and circuit tests
• Deluxe instrumentation, ACS/SJC control systems, joystick diagnostics and calibration
• Password setup, job clock, maintenance reset, BICS™ circuit troubleshooting

Engine Service & Fuel System

• Glow plug testing, valve clearance, timing checks, cylinder head & rocker servicing
• Fuel injection pump calibration, nozzle spray inspection, governor and camshaft overhaul
• Crankshaft, pistons, liners, oil pressure testing, lubrication and water pump work

HVAC System & Blower Repair

• Heater unit disassembly, blower fan service, heater coil and valve replacement
• HVAC troubleshooting, airflow issues, system inspection and reassembly

Specifications & Tools

• Loader specs, hydraulic connection charts, torque values (SAE/metric), conversions
• Service tools for diagnostics, hydraulics, engine, electrical and HVAC systems

The Bobcat T140 Service Manual offers full diagnostics, calibration procedures, and expert guidance to maintain your machine at peak performance.

Note: This is the most updated T140 service manual, covering units with new hydrostatic drive motors, split and continuous molding glass systems, and refined ACS/SJC joystick calibration options. For earlier machines or reference to prior control layouts and component specifications, refer to:

• 6903153 (6-12) for base BICS systems with mechanical linkages.
• 6904150 (7-09) for initial ACS integration.
• 6986569 (11-10) for transitional systems with pre-2014 hydrostatic configurations.