John Deere 750C and 850C Crawler Dozer Operator’s Manual OMT165719 K8

John Deere 750C and 850C Crawler Dozer Operator’s Manual

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This manual contains information and data to this model. Has specs, diagrams, and actual real photo illustrations, These technical manual is as good as it gets for Diagnosing, Repairing, and Maintenancing John Deere machinery. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need… or all manual. 

CONTENTS : 

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
05-1 Operator’s Manual Holder. . . . . . . . . . . . . . . . . 10-19
Adjusting Seat . . . . . . . . . . . . . . . . . . . . . . . . . 10-20
Safety Signs . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-1
Seat Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-21
Operator’s Station Break-In
Display Monitor Gauges and Indicators . . . . . . . 10-1
Observe Engine Operation Closely . . . . . . . . . . 15-1
Monitor Display Window . . . . . . . . . . . . . . . . . . 10-2
After the First 10 Hours . . . . . . . . . . . . . . . . . . . 15-1
Select Button Operation . . . . . . . . . . . . . . . . . . 10-3
Between the First 50 to 100 Hours . . . . . . . . . . . 15-1
Engine Coolant Temperature Gauge . . . . . . . . . 10-4
Fuel Level Gauge . . . . . . . . . . . . . . . . . . . . . . . 10-4
Pre-Start Inspection
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . 10-4
Inspect Machine Daily Before Starting . . . . . . . . 20-1
STOP-Engine Indicator and Alarm . . . . . . . . . . . 10-5
Service Required Indicator . . . . . . . . . . . . . . . . 10-5
Operating the Engine
Engine Alternator Voltage Indicator . . . . . . . . . . 10-5
Check Instruments Before Starting . . . . . . . . . . 25-1
Engine Air Filter Restriction Indicator . . . . . . . . . 10-6
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . 25-1
Transmission Oil Temperature Hot Indicator . . . 10-6
Starting Fluid—Cold Weather Start Aid . . . . . . . 25-3
Transmission Oil Filter Restriction Indicator . . . . 10-6
Using Booster Batteries—24-Volt System . . . . . 25-5
Hydraulic Oil Filter Restriction Indicator . . . . . . . 10-6
Using Coolant Heater—If Equipped . . . . . . . . . . 25-6
Return FNR to Neutral Indicator . . . . . . . . . . . . 10-7
Check Instruments After Starting . . . . . . . . . . . . 25-6
Check Service Code Indicator . . . . . . . . . . . . . . 10-7
Warm-Up Engine . . . . . . . . . . . . . . . . . . . . . . . . 25-6
Ether Injection Indicator . . . . . . . . . . . . . . . . . . . 10-7
Engine Cold Weather Warm-Up . . . . . . . . . . . . . 25-7
Fasten Seat Belt Indicator . . . . . . . . . . . . . . . . . 10-8
Stalled Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 25-7
Transmission Oil Pressure Gauge . . . . . . . . . . . 10-8
Stopping the Engine—Normal Shutdown . . . . . . 25-8
Battery Disconnect Switch . . . . . . . . . . . . . . . . . 10-8
Blade Control Lever . . . . . . . . . . . . . . . . . . . . . 10-9
Driving the Machine
Park Lock Levers . . . . . . . . . . . . . . . . . . . . . . . 10-9
Driving the Machine . . . . . . . . . . . . . . . . . . . . . . 30-1
Engine Speed Lever—All Machines . . . . . . . . 10-10
Operating Suggestions . . . . . . . . . . . . . . . . . . . . 30-1
Transmission Speed Lever—Lever Steer Extend Undercarriage Life . . . . . . . . . . . . . . . . . 30-2
Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
Operating Park Lock Levers . . . . . . . . . . . . . . . 30-3
FNR Lever—Lever Steer Machine . . . . . . . . . . 10-11
Driving the Machine—Pedal Steer Machine . . . . 30-4
FNR Lever—Pedal Steer Machine . . . . . . . . . . 10-12
Driving the Machine—Lever Steer Machine . . . . 30-5
Pedals—Lever Steer Machine . . . . . . . . . . . . . 10-13
Travel Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-6
Pedals—Pedal Steer Machine . . . . . . . . . . . . . 10-13
Operating Brake Pedal . . . . . . . . . . . . . . . . . . . 30-6
Work Lights—If Equipped. . . . . . . . . . . . . . . . . 10-14
Stopping the Machine. . . . . . . . . . . . . . . . . . . . . 30-7
Air Conditioner and Heat . . . . . . . . . . . . . . . . . 10-15
Parking the Machine. . . . . . . . . . . . . . . . . . . . . . 30-8
Dome and Swivel Light . . . . . . . . . . . . . . . . . . 10-15
Lock All Compartments . . . . . . . . . . . . . . . . . . . 30-9
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-16
Door Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-16
Operating the Machine
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-17
Blade Operation Tips . . . . . . . . . . . . . . . . . . . . . 35-1
Cab Windows . . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
Blade Control Lever—Operation . . . . . . . . . . . . 35-2
Windshield Wiper and Washer Determining Blade Pitch . . . . . . . . . . . . . . . . . . . 35-3
Controls—Cab . . . . . . . . . . . . . . . . . . . . . . . 10-18
Grease Gun—If Equipped . . . . . . . . . . . . . . . . 10-19
Changing Blade Pitch . . . . . . . . . . . . . . . . . . . . 35-4
Check and Adjust Fan Belt Tension—750C
Changing Blade Angle—Mechanical Angle . . . . 35-5
(S.N. —831315) . . . . . . . . . . . . . . . . . . . . . . . 55-2
Operating on Slopes. . . . . . . . . . . . . . . . . . . . . . 35-5
Check and Adjust Compressor Belt
Operating in Rough Terrain . . . . . . . . . . . . . . . . 35-6
Tension—If Equipped—750C (S.N. —831315)
Side-by-Side Dozing. . . . . . . . . . . . . . . . . . . . . . 35-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55-3
Slot Dozing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-6
Check Track Sag . . . . . . . . . . . . . . . . . . . . . . . . 55-4
Tilt Dozer Ditching . . . . . . . . . . . . . . . . . . . . . . . 35-6
Adjust Track Sag . . . . . . . . . . . . . . . . . . . . . . . . 55-5
Backfilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-7
Check Air Restriction Indicator . . . . . . . . . . . . . 55-7
Leveling a Stockpile . . . . . . . . . . . . . . . . . . . . . . 35-7
Moving Boulders. . . . . . . . . . . . . . . . . . . . . . . . . 35-8
Maintenance—Every 10 Hours or Daily
Bench Cut . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-10
Check Coolant Level . . . . . . . . . . . . . . . . . . . . . 60-1
Brush Removal. . . . . . . . . . . . . . . . . . . . . . . . . 35-10
Check Engine Oil Level—750C (S.N. —
Tree Removal. . . . . . . . . . . . . . . . . . . . . . . . . . 35-11 831315) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-2
Stump Removal . . . . . . . . . . . . . . . . . . . . . . . . 35-12
Check Engine Oil Level—750C (S.N.
831316— ) and 850C . . . . . . . . . . . . . . . . . . . 60-3
Transporting Check Hydraulic Oil Level . . . . . . . . . . . . . . . . . 60-4
Loading Machine on a Trailer . . . . . . . . . . . . . . 40-1

Check Transmission Oil Level . . . . . . . . . . . . . . 60-5
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-2
Lubricate Dozer Linkage . . . . . . . . . . . . . . . . . . 60-6
Lubricate All-Hydraulic Blade . . . . . . . . . . . . . . . 60-7
Fuels and Lubricants
Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-1
Maintenance—Every 50 Hours
Storing Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-1
Lubricate Left and Right Track Frame Pivot . . . 65-1
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-2
Lubricate Lift Cylinder Pivots . . . . . . . . . . . . . . . 65-2
Low Sulfur Diesel Fuel Conditioner. . . . . . . . . . . 45-2
Lubricate Track Adjust Cylinder . . . . . . . . . . . . . 65-3
Do Not Use Galvanized Containers . . . . . . . . . . 45-3
Diesel Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . 45-4
Maintenance—Every 250 Hours
Transmission, Hydraulic, and Hand Pump Change Engine Oil and Filter Elements . . . . . . . 75-1
Reservoir Oil . . . . . . . . . . . . . . . . . . . . . . . . . 45-5
Check Inner and Outer Final Drive
Inner and Outer Final Drive Oil . . . . . . . . . . . . . 45-6
Housings Oil Level . . . . . . . . . . . . . . . . . . . . . 75-4
Track Rollers, Front Idler, Carrier Roller Check Radiator Coolant Level . . . . . . . . . . . . . . 75-5
and Track Frame Outer Pivot Oil . . . . . . . . . . 45-7
Grease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-7
Maintenance—Every 500 Hours
Lubricant Storage . . . . . . . . . . . . . . . . . . . . . . . 45-8
Check Coolant Conditioner . . . . . . . . . . . . . . . . 80-1
Alternative and Synthetic Lubricants . . . . . . . . . 45-8
Change Primary Fuel Filter—750C (S.N. —
Mixing of Lubricants . . . . . . . . . . . . . . . . . . . . . 45-9 831315) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-2
Change Secondary Fuel Filter—750C (S.N.
—831315). . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-3
Periodic Maintenance Change Primary Fuel Filter—750C (S.N.
Install Do Not Operate Tag. . . . . . . . . . . . . . . . . 50-1 831316— ) . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-4
Service Your Machine at Specified Intervals . . . 50-1

Change Secondary Fuel Filter—750C (S.N.
Check Hour Meter Regularly . . . . . . . . . . . . . . . 50-2 831316— ) . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-5
Use Correct Fuels and Lubricants . . . . . . . . . . . 50-2
Change Primary Fuel Filter—850C . . . . . . . . . . 80-6
Prepare Machine for Maintenance . . . . . . . . . . . 50-2
Change Secondary Fuel Filter—850C . . . . . . . . 80-7
Maintenance and Repair Record Check Battery Electrolyte Level and
Keeping System . . . . . . . . . . . . . . . . . . . . . . . 50-5 Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-8
Oilscan Plusâ, Coolscan Plusâ and Check Air Intake Hose . . . . . . . . . . . . . . . . . . 80-10
3-Way Coolant Test Kit . . . . . . . . . . . . . . . . . 50-6
Maintenance and Repair Record Maintenance—Every 1000 Hours
Keeping System . . . . . . . . . . . . . . . . . . . . . . . 50-7 Check Left and Right Track Frame Pivot Oil
Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85-1
Maintenance—As Required Change Final Drive Oil . . . . . . . . . . . . . . . . . . . 85-2
Check and Adjust Alternator Belt
Tension—750C (S.N. —831315) . . . . . . . . . . 55-1

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