753G FELLER-BUNCHER(WC753GX002046-      )

All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.

Foreword
Technical Information Feedback Form

Section : 1-1 - Safety - Safety Features

753G Feller-Buncher Safety Features

Section : 1-2 - Safety-General Precautions

Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear Of Moving Parts
Avoid High-Pressure Fluids
Beware Of Exhaust Fumes
Prevent Fires
What To Do If the Machine Catches Fire
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
Clean Trash from Machine
Control Pattern

Section : 1-3 - Safety-Operating Precautions

Use Steps And Handholds Correctly
Start Only From Operator's Seat
Use And Maintain Seat Belt
Prevent Unintended Machine Movement
Operate Machine Safely
Avoid Tipping
Keep Riders Off Machine
Use Care When Swinging Machine
Operate Booms with Care
Add And Operate Attachments Safely
Turn Off Battery Disconnect Switch
Travel Safely
Avoid Power Lines
Driving/Transporting on Public Roads
Inspect and Maintain ROPS

Section : 1-4 - Safety-Maintenance Precautions

Park And Prepare For Service Safely
Service Machines Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Prevent Acid Burns

Section : 1-5 - Safety - Safety Signs

753G Feller-Buncher Cab Safety Signs
753G Feller-Buncher Frame Safety Signs
753G Feller- Buncher Engine Safety Signs

Section : 2-1 - Operator's Station

753G with FS120 Felling Head
Operator Controls and Instruments
Gauges
Warning Lights
Light Switches
Ignition Key Switch
Horn Override and Lamp Test Switch
Throttle Lever
Swing Brake Control Switch
Travel Speed Control Switch
Air Conditioner/Heater Controls
Saw Drive Switch
Forward Horn
Travel Alarm
Circuit Breakers
Dome Light
Defroster Fan
Operator's Seat
Foot Pedal and Joystick Controls
Pilot Hydraulic Circuit and Reset Switch
Sliding Rear Window
Secondary Exit (Rear Window)
Cab Door Release Handle
Fire Extinguisher
Fire Extinquisher Access Ports
Fire Suppression System Time Delay
Cab Door Jamb Lever
Battery Disconnect Switch
Service Lights Switch
Enclosure Door Hand Pump
Engine Enclosure Door

Section : 2-2 - Operating the Machine

Pre-Start Checks
Before Starting the Engine
Normal Starting Procedure - Above 0°C (32 °F)
Cold Weather Starting - Below 0°C (32 °F)
Stopping Procedure
Operating the Track Drive
Using Booster Batteries
Operating The Implements - General
Joystick Control Lever - Left Hand
Joystick Control Lever - Right Hand
Control Panel
Lowering Boom with Engine Stopped
Preparation of Machine Before Leaving For Cutting Area
Felling Technique
Felling Head

Section : 3-1 - Maintenance - Machine

Modifications or Repairs to Roll-over Protective Structures (ROPS)
Fuels and Lubricants Specifications Table
Diesel Engine Oil
Track Drive and Swing Drive Oils
Recommended Hydraulic System Summer Oils

Recommended Hydraulic System Winter Oils

Diesel Fuel
Diesel Engine Coolant
Grease

Section : 3-2 - Maintenance - Periodic Maintenance

Service Your Machine at Specified Intervals
Check the Hourmeter Regularly
Use Correct Fuels and Lubricants
Prepare Machine for Maintenance
Machine Service Position - Felling Head
Maintenance and Repair Record Keeping System
OILSCAN Plus,® CoolScan Plus® and 3-Way Coolant Test Kit
Periodic Maintenance Table

Section : 3-3 - Maintenance - As Required

Drain Hydraulic Fluid
Clean Track Drive Planetaries
Refiling the Engine Enclosure Door Pump

Section : 3-4 - Maintenance - Every 8 Hours or Daily

General
Service Lights
Check Engine Oil Level
Check Air Filter Restriction Indicator and Pre-cleaner
Check Engine Coolant Level
Check Fuel/Water Separator
Check and Clean Radiator, Oil Cooler and Condenser Fins
Check and Clean Radiator Pre-Screen
Check Hydraulic Fluid Level
Check Hydraulic Filters
Check Pilot Pressure Filter Indicator
Check Swing Drive Gearbox Oil Level
Lubricate Attachment
Lubricate Boom Joints and Cylinder Ends
Lubricate Swing Pinion and Bearing
Inspect for Hydraulic Oil Leaks
Perform Overall Visual Inspection

Section : 3-5 - Maintenance - Every 125 Hours

Perform 8 Hour Interval Maintenance Procedures
Check Battery Electrolyte Level
Refer to Fire Suppression System Manufacturer's Manual (If Installed)
Check Engine RPM
Check Hydraulic Pressures
Check Hydraulic Pump Mounting Bolts
Check Hydraulic Motor Mounting Bolts
Check Oil Level In Idler Assembly
Check Oil Level in the Track Drive Planetaries
Lubricate Driveshaft and Motor Coupling
Check Swing Bearing Bolt Torque
Check Cab Mounting Bolt Torque
Check Swing Gearbox Bolt Torque
Check Engine Mounting Bolt Torque
Check Rotary Manifold Bolt Torque
Check Lower Roller Mounting Bolt Torque
Check Planetary And Sprocket Mounting Bolt Torque
Lubricate Swing Gearbox Bearing
Lubricate Door Hinges
Lubricate Latches and Knobs on Secondary Exit
Perform Overall Visual Inspection
Check Initial Track Shoe Bolt Torque

Section : 3-6 - Maintenance - First 150 Hours

Change Oil in the Track Drive Planetaries
Change Oil in the Swing Drive Gearbox

Section : 3-7 - Maintenance - Every 250 Hours

Perform 125 Hour Interval Maintenance Procedures
Change Engine Oil And Filter
Change Fuel/Water Separator Filter
Change Air Filter Elements
Check A/C Compressor Belt Tension
Replace Coolant Filter

Section : 3-8 - Maintenance - Every 500 Hours

Perform 250 Hour Interval Maintenance Procedures
Change Engine Fuel Filters
Change Pilot Circuit Filter
Check Oil in the Enclosure Door Pump

Section : 3-9 - Maintenance - Every 1000 Hours

Perform 500 Hour Interval Maintenance Procedures
Replace Hydraulic Oil Return Filters
Change Oil in the Track Drive Planetaries
Change Oil in the Swing Drive Gearbox
Check Saw Speed
Change Oil in the Enclosure Door Pump

Section : 3-10 - Maintenance - Every 2000 Hours

Perform 1000 Hour Interval Maintenance Procedures
Check Specific Gravity of Battery Electrolyte
Change Engine Coolant

Section : 4-1 - Miscellaneous - Operational Checkout

Operational Checkout

Section : 4-2 - Miscellaneous - Troubleshooting

General
Diagnose Engine Start
Diagnose Pilot Pressure Circuit
Diagnose Travel Brakes
Diagnose Oil Cooler
Diagnose Swing Function
Diagnose Hoist Boom Function
Diagnose Stick Boom Function
Diagnose Tilt Function
Diagnose Engine Enclosure Door

Section : 4-3 - Miscellaneous - Storage

Prepare Machine for Storage

Section : 4-4 - Miscellaneous - Serial Numbers

Model and Serial Number Record

Section : 4-5 - Miscellaneous - Specifications

753G Feller-Buncher with FS120 Felling Head Dimensions
Technical Information

Section : 4-6 - Miscellaneous - Crime Prevention Tips

Help Prevent Crime
Record Identification Numbers
Keep Proof of Ownership
Park Indoors Out of Sight
When Parking Outdoors
Reduce Vandalism
Report Thefts Immediately