Name: Jacobsen G-Plex III
Brand: Jacobsen
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GB-29

JACOBSEN G-PLEX III Series: DN & DP

MAINTENANCE AND PARTS MANUAL

8 SCHEMATICS

8.1 HYDRAULIC CIRCUIT

1. Inlet Filter

2. Hydrostat Pump

3. Right Hand Wheel Motor

4. Left Hand Wheel Motor

5 Three Wheel Drive Accessory

6. Power Steering Valve

7. Steering Cylinder

8. Inlet Filter

9 Reel Pump

10. Reel Drive Valve

11. Backlap Valve Accessory

12. Rear Reel Motor

13. Left Reel Motor

14. Right Wheel Motor

15. Ball Valve Accessory

16. Lift Valve

17. Divider / Combiner Valve

18. Left Lift Cylinder

19. Right Lift Cylinder

20. Sequence Valve

21. Rear Lift Cylinder

22. Oil Cooler

23. Reservoir

Contents3
Introduction4
Product Identification4
Spares Stocking Guide4
Item Number5
Assemblies5
Using the Parts List5
Numerical Index5
Operating Instructions6
Safety Signs6
Starting the Engine6
Transporting6
Adjustments, Lubrication and Maintenance7
Slopes7
Blocked Cutting Cylinders7
Leaving the Driving Position7
Engine Specification9
Machine Specification9
Cutting Unit9
Dimensions9
Vibration Level10
Recommended Lubricants10
Cutting Performance10
Specifications11
Torques11
Lubrication and Maintenance Chart12
Engine Access13
Engine Oil - Gasoline13
Engine Oil Filter - Gasoline14
Engine Oil - Diesel14
Engine Oil Filter - Diesel15
Engine Fuel Filter - Diesel15
Air Filter - Diesel16
Air Filter - Gasoline17
Checking the Element17
Pre-Cleaner17
Removing/Installing Air Cleaner17
Engine Fuel Filter - Gasoline18
Fan Belt Tension - Diesel18
Hydraulic Oil Filter18
Hydraulic Oil19
Brakes19
Battery20
Rear Swing out Arm21
Leveling Linkage for the Front Cutting Heads22
Mow/Transport Speed Control23
Adjusting Mow Speed23
Speed Control Pedal24
To Sell Bellcrank Stop Screw24
Bleeding the Fuel System - Diesel26
Backlapping27
Troubleshooting28
General28
Hydraulic Circuit30
Schematics30
Electrical C Ircuit Main Harness32
Electrical Circuit Control Panel - Gasoline34
Electrical Circuit Main Harness36
Electrical Circuit Control Panel - Diesel38
Parts40
- Table of Contents41
- Parts Index41
Chassis and Covers42
Power Assy Diesel44
Power Assy Gasoline46
Radiator (Diesel)48
- Air Cleaner (Diesel)50
- Fuel & Hydraulic Reservoirs & Support Frame52
Hydraulic Tank Fittings54
Fuel System Diesel56
Fuel System Gasoline58
Oil Cooler Mounting Diesel60
Oil Cooler Mounting Gasoline62
Pump Control Linkage64
Hydraulic Pump and Valves - Diesel66
Hydraulic Pump and Valves - Gasoline68
Hydraulic Lift Circuit70
Hydraulic Reel Circuit72
Hydraulic Wheel Drive Circuit74
Hydraulic Power Steering76
Control Arm78
Lift Assembly - Front Cutting Heads80
Lift Assembly - Rear Cutting Head82
Mow / Raise Switch and Speed Control Pedal86
Mow Speed Control88
Brake Pedal90
Seat92
Decals94
Control Panel and Electrical Components Diesel96
Control Panel and Electrical Components Gasoline98
Electrical Components Diesel100
Electrical Components Gasoline102
Wheels and Rear Hub104
Motor Mounting106
Cutting Head108
Rear Rollers110
Verticut Head112
Rear Roller & Scraper Verticut114
Accesory - Rotary Rear Brush 068643116
- Front & Rear Rolls118
- Front Roll 2" Smooth & Scraper120
Turf Groomer122
- Turf Groomer Drive Assenbly124
- Turf Groomer Driven Assenbly126
- Turf Groomer Blade Assenbly128
- Turf Groomer Roller Assenbly130
Turf Groomer Quick Height Adjuster132
Grass Catcher134

Brand	Jacobsen
Model	G-Plex III
Category	Lawn Mower
Language	English

Jacobsen G-Plex III Parts And Maintenance Manual

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