Bobcat 331/331E/334 Excavator Service Manual - G Series (6902743)

Bobcat 331, 331E, 334 Excavator Service Manual – G Series (Early Serial Numbers) - 6902743 (11-09)

This complete service manual is intended for early serial number models of Bobcat 331, 331E, and 334 excavators. It provides detailed procedures for maintenance, hydraulics, engine repair, undercarriage servicing, electrical diagnostics, and HVAC systems—ensuring proper operation and long-term machine reliability.

Model Covers:

331: S/N 234311001 – 234312999
331E: S/N 234411001 – 234411999
334: S/N 234511001 – 234512999

File Format: PDF

Size: 37.82 MB

No. of pages: 828
Language: English

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

📑 Table of Contents Overview:

• Detailed hydraulic circuit troubleshooting and relief valve adjustments
• Complete disassembly and reassembly of cylinders, motors, pumps, and control valves
• Extensive electrical diagnostics, starter/alternator tests, and code troubleshooting
• Engine reconditioning, valve timing, injection pump settings
• Air conditioning component flow, diagnostics, and system charging

Note: A newer edition for later serial numbers includes model-specific hydraulic control valves, HVAC refinements, new diagnostic codes, and updated X-Change™ system schematics. [Click here for more details.]

This Bobcat 331/331E/334 Early Serial Number Service Manual is essential for technicians handling older units of the G-Series excavators.