Bobcat 329 Compact Excavator (SN AACL11001 & Above, A9K211001 & Above) Service Manual 6986946enUS

Bobcat 329 Compact Excavator Service Manual 6986946enUS (12-14)

Technical service manual developed strictly from the Table of Contents, providing full diagnostic workflows, pressure testing procedures, hydraulic and electrical schematics, disassembly and reassembly steps, engine overhaul instructions, undercarriage service data and complete specifications for the Bobcat 329 compact excavator.

Model Covers:

Bobcat 329 Compact Excavator
S/N AACL11001 & Above
S/N A9K211001 & Above

File Format: PDF

Language: English

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

📑 Table of Contents Overview:

Safety, Identification & Service Schedule

• Machine safety decals, fire prevention rules and work area requirements
• Serial number locations for machine and engine, spec plate decoding and delivery report
• Complete preventive maintenance chart with hour-based inspection intervals
• Air cleaner, fuel filter, engine oil, coolant and hydraulic filter service procedures
• Lubrication chart for all pivot points, drive components and cylinder pins
• Cold weather starting, travel lock procedure and transport tie-down points

Hydraulic System Diagnostics & Component Overhaul

• Hydraulic schematic with flow paths, test ports and valve functions
• Main relief, boom, arm, bucket and auxiliary circuit pressure testing
• Hydraulic pump removal, gear set inspection, end play checks and reassembly
• Control valve teardown – spool breakdown for travel, blade, swing, workgroup and auxiliary sections
• Port relief, anti-cavitation and load-holding valve service with adjustment specs
• Hydraulic cylinders – removal, rod inspection, seal kit replacement and reassembly torque values
• Swing motor and swing gearbox disassembly, thrust bearing inspection and reassembly sequence
• Center swivel joint seal stack replacement and port orientation chart
• Hydraulic oil cooler, reservoir and return filter housing R&I

Undercarriage, Track System & Frame Components

• Track tensioning, rubber and steel track removal and installation
• Final drive motor R&I, case drain test, motor disassembly and bearing inspection
• Track roller, carrier roller and idler removal, rebuild and bushing service
• Track frame weldments and mounting hardware inspection
• Track failure analysis chart: lug abrasion, core separation, cord break, edge cuts and chunking

Operator Controls, Cab & Upperstructure

• Cab/canopy removal, side cover and panel disassembly, floor plate access
• Joystick, pedal and linkage service, control pattern conversion and neutral position checks
• Seat mount, console hardware, travel levers and safety interlock service
• Upperstructure removal and swing bearing alignment pin installation
• Workgroup removal – boom, arm, bucket, bushings and pivot pin inspection

Electrical System & Troubleshooting

• Wiring schematic, circuit layout and connector pin references
• Fuse and relay identification, voltage drop testing and harness continuity checks
• Starter motor current draw test, alternator output and belt adjustment
• Instrument panel, warning lamps, fuel sender and safety circuit testing
• Glow plug relay, horn and work light troubleshooting

Engine Service, Fuel System & Overhaul

• Valve clearance specs, compression test and troubleshooting chart
• Injection pump timing, injector nozzle testing and fuel system bleeding
• Engine removal and installation, radiator and cooling fan service
• Piston, rod, crankshaft, camshaft and cylinder head disassembly and measurement limits
• Oil pump teardown, gear backlash inspection and relief valve checks
• Timing gear train inspection, backlash and alignment markings

Specifications & Technical Data

• Machine dimensions, performance ratings, hydraulic output and lift capacities
• Engine torque curve, fuel consumption and torque specifications
• Fluid capacities, lubrication specs, thread sizes and torque tables
• Conversion charts, wear limits, special tools and revision index

This manual gives technicians the full technical depth required to diagnose, repair and maintain the Bobcat 329 compact excavator with long-term reliability and performance.