Machine Type:
Skid Steer Loader
Model Variant:
310 (M-310 / early Melroe-built 300-series)
Production Years Covered:
Early 1960s to early 1970s 300-series production run
Serial Number Range:
Refer to manual - serial break points listed by chapter
Manufacturer:
Melroe Manufacturing Company (Bobcat)
Manual Type:
Service / Repair / Workshop Manual
Coverage:
Complete machine - engine, drive, hydraulics, electrical, chassis
Format:
Searchable PDF - zoomable, printable, bookmarked
Target Audience:
Skid steer technicians, mechanics, and DIY owners
Intended Use:
Professional repair, overhaul, diagnostics, and routine maintenance
Vehicle Class:
Compact walk-behind / small skid steer loader
Era:
Early compact loader era - Bobcat 300-series
Factory-Level Procedures:
Disassembly, inspection, rebuild, and reassembly steps
Diagnostics:
Symptom-based troubleshooting flowcharts and diagnostic trees
Specifications:
Factory tolerances, wear limits, and tightening torque values
Illustrations:
Exploded-view parts diagrams, wiring schematics, and component location guides
Service Tooling:
Special service tool numbers with illustrations where applicable
Depth of Coverage:
Covers engine overhaul through final drive and hydraulic service in one volume
Searchability:
Bookmarked, searchable PDF with zoomable diagrams
Portability:
Works on Windows PC, Mac, tablets, and smartphones
Engine:
Overhaul, inspection, rebuild, and tune-up procedures
Drive System:
Transmission, drive chain, and final drive service
Hydraulics:
Lift, tilt, and auxiliary hydraulic circuits
Electrical:
Wiring, charging, starting, and instrumentation diagnostics
Chassis:
Frame, loader arms, and attachment mounting
Brakes:
Inspection and service procedures
Cooling & Fuel:
Cooling system and fuel system maintenance
Troubleshooting:
Symptom-based flowcharts and diagnostic trees
Manual Type:
Service / Repair / Workshop Manual
File Format:
Searchable PDF (zoomable, printable, bookmarked)
Delivery Method:
Instant digital download - no shipping, no waiting
Page Count:
Refer to product listing - exact page count varies by edition
Binding:
Digital - no physical binding
Re-Download:
Available anytime after purchase
General Information:
Safety warnings, machine identification, and maintenance schedules
Engine Mechanical:
Disassembly, inspection, machining limits, and reassembly
Engine Lubrication:
Oil pump, oil passages, and service checkpoints
Engine Cooling:
Cooling system components and service
Fuel System:
Carburetion / fuel delivery service and adjustment
Electrical System:
Charging, starting, wiring, and component testing
Drive System:
Transmission, drive chains, and final drive service
Hydraulic System:
Lift, tilt, and auxiliary circuits - pumps, valves, cylinders
Steering / Control:
Control linkages and drive control adjustment
Brake System:
Inspection and service procedures
Chassis / Frame:
Frame, loader arms, and attachment mounting
Attachments:
Mounting and hydraulic attachment interfaces
Step-by-Step Repair:
Sequential disassembly, service, and reassembly procedures
Diagnostics:
Symptom-based troubleshooting with flowcharts
Electrical Testing:
Multimeter procedures and circuit checks
Component Verification:
Component function verification procedures
Wear Inspection:
Wear limit inspections and allowable tolerances for all components
Torque Specifications:
Tightening torque specs for all fasteners
Tolerances:
Factory specifications, tolerances, and wear limits
Service Tools:
Special service tool numbers with illustrations
Parts Identification:
Exploded-view parts diagrams with OEM part numbers
Wiring Diagrams:
Detailed wiring diagrams and electrical schematics
Parts Diagrams:
Exploded-view parts diagrams with OEM part numbers
Location Guides:
Component identification and location guides
Procedural Diagrams:
Step-by-step procedural diagrams with tool usage illustrations
Model Coverage:
All models, engine variants, and trim levels covered
Applicability Note:
Refer to manual for specific model-year applicability
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Air-cooled, gasoline, single-cylinder or twin-cylinder (production dependent)
Displacement:
Refer to manual - exact displacement varies by engine variant
Engine Manufacturer:
Refer to manual - varies by production period
Fuel System:
Carburetor with mechanical fuel pump (production dependent)
Cooling:
Air-cooled with forced-air cooling system
Ignition:
Battery ignition with points and condenser; magneto on early units
Rated Output:
Refer to manual - varies by engine variant and model year
Torque Values:
All factory torque specs included
Tolerances:
Factory tolerances and wear limits included
Service Tooling:
Special service tool numbers with illustrations
Standard Transmission:
Hydrostatic drive or mechanical friction drive (production dependent)
Final Drive:
Chain-driven final drive to wheels
Drive Control:
Independent left/right control levers
Parking Brake:
Mechanical parking brake on drive system
Steering:
Counter-rotation skid steer steering via independent drive control
Service Procedures:
Transmission and drivetrain disassembly, inspection, and rebuild
Adjustment:
Drive chain tension and control linkage adjustment
Wheelbase:
Refer to manual - varies by tire option and configuration
Overall Length:
Refer to manual - varies with attachment
Overall Width:
Refer to manual - varies by tire option
Overall Height:
Refer to manual - varies with operator guard option
Curb Weight:
Refer to manual - varies by configuration
Rated Operating Capacity:
Refer to manual - varies by configuration
Tire Options:
Multiple tire sizes affect dimensions and operating capacity
Operator Guard:
Overhead operator protective structure on equipped units
Seat Belt:
Operator restraint provided on equipped units
Neutral Start:
Start circuit requires drive controls in neutral on equipped units
Parking Brake:
Mechanical parking brake on drive system
Guards:
Engine and drive shielding
Decals:
Safety decals and warning labels on chassis
Crash / Rollover Ratings:
N/A - not applicable to early compact skid steer loaders
Gauges:
Hour meter and engine indicators on equipped units
Controls:
Mechanical lever controls for drive, lift, and tilt
Warning Lamps:
Oil pressure / charge warning lamps on equipped units
Infotainment:
N/A - not equipped on this era of machine
Electronic Aids:
N/A - mechanical control system
Auxiliary Hydraulics:
Front auxiliary hydraulic circuit for attachments
Engine Oil & Filter:
Refer to manual - intervals listed by service schedule
Air Filter:
Service per schedule; clean or replace more often in dusty conditions
Fuel System:
Fuel filter and carburetor service per schedule
Hydraulic System:
Hydraulic oil and filter service per schedule
Drive Chains:
Chain lubrication and adjustment per schedule
Engine Oil:
Refer to manual - grade and capacity listed by engine variant
Hydraulic Oil:
Refer to manual - specification listed by system
Fuel:
Gasoline - refer to manual for octane and fuel system requirements
Grease:
Multi-purpose chassis grease for fittings and pivot points
Drive Chains:
Stretch and sprocket wear - inspect and adjust regularly
Drive Tires:
Tread wear and sidewall damage in skid steer operation
Hydraulic Hoses & Seals:
Age-related cracking and weeping at fittings
Carburetor:
Varnish and wear in fuel system - clean and rebuild as needed
Ignition Components:
Points, condenser, and spark plug wear on battery-ignition engines
Manufacturer:
Melroe Manufacturing Company
Origin:
Gwinner, North Dakota, United States
Significance:
Bobcat pioneered the compact skid steer loader category
Series:
300-series compact skid steer loader
Role:
Early compact loader for construction, agriculture, and material handling
Production Location:
Gwinner, North Dakota, United States
Production Years:
Early 1960s through early 1970s 300-series run