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Gravely Promaster 250Z - Default Chapter; Table of Contents

Gravely Promaster 250Z
34 pages
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Section 1 - Introduction . . . . . . . . . . . . . . . . . . 1-3
1.1 The Manual . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.2 Service and Replacement Parts . . . . . . . . 1-3
1.3 Product Registration . . . . . . . . . . . . . . . . . 1-3
1.4 Unauthorized Replacement Parts . . . . . . . 1-3
1.5 Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.6 Technical Service Communications. . . . . . 1-3
1.7 Preparation . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Section 2 - Safety . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.1 Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.2 Signal Words . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.3 Notations . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.4 Practices and Laws . . . . . . . . . . . . . . . . . . 2-4
2.5 Required Operator Training . . . . . . . . . . . . 2-4
2.6 Safety Rules. . . . . . . . . . . . . . . . . . . . . . . . 2-4
Section 3 - Specifications . . . . . . . . . . . . . . . . 3-7
Section 4 - General Maintenance
& Adjustments . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.1 Controls and Features . . . . . . . . . . . . . . . . 4-8
4.2 Service Position - 260Z . . . . . . . . . . . . . . . 4-9
4.3 Service Position - 250Z . . . . . . . . . . . . . . . 4-9
4.4 Moving the Unit-Engine Not Running. . . . . 4-9
4.5 Cleaning and Storage . . . . . . . . . . . . . . . . 4-9
4.6 Filling The Fuel Tank . . . . . . . . . . . . . . . . 4-10
4.7 Fasteners. . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4.8 General Lubrication . . . . . . . . . . . . . . . . . 4-10
4.9 Basic Engine Maintenance . . . . . . . . . . . 4-11
4.10 Belts. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.11 Tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
4.12 Mower Blades . . . . . . . . . . . . . . . . . . . . 4-12
4.13 Steering Control Neutral Adjustment . . . 4-13
4.14 Adjusting Control Levers . . . . . . . . . . . . 4-13
4.15 Adjusting The Parking Brake . . . . . . . . . 4-14
4.16 Adjusting The Unit To Track Straight . . . 4-14
4.17 Leveling The Mower Deck . . . . . . . . . . . 4-15
Section 5 - Engine. . . . . . . . . . . . . . . . . . . . . . 5-16
5.1 Engine Troubleshooting . . . . . . . . . . . . . . 5-16
5.2 Removing the Engine. . . . . . . . . . . . . . . . 5-17
5.3 Installing The Engine . . . . . . . . . . . . . . . . 5-17
5.4 Electric Clutch . . . . . . . . . . . . . . . . . . . . . 5-17
Section 6 - Drive Train . . . . . . . . . . . . . . . . . . 6-18
6.1 Checking The Hydraulic Fluid Level. . . . . 6-18
6.2 Changing Hydraulic Fluid And Filter . . . . 6-18
6.3 Hydraulic Drive Flow Test. . . . . . . . . . . . . 6-18
6.4 Replacing The Hydraulic Pump . . . . . . . . 6-19
6.5 Replace Wheel Motor . . . . . . . . . . . . . . . 6-20
6.6 Hydraulic Deck Lift Pressure Test . . . . . . 6-21
6.7 Replace Lift Valve . . . . . . . . . . . . . . . . . . 6-21
6.8 Hydraulic Diagram . . . . . . . . . . . . . . . . . . 6-22
Section 7 - Mower Deck . . . . . . . . . . . . . . . . . 7-23
7.1 Mower Deck. . . . . . . . . . . . . . . . . . . . . . . 7-23
7.2 Anti-Scalp Rollers . . . . . . . . . . . . . . . . . . 7-23
Section 8 - Front Suspension . . . . . . . . . . . . 8-24
Section 9 - Electrical. . . . . . . . . . . . . . . . . . . . 9-25
9.1 Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
9.2 Electrical Measurements . . . . . . . . . . . . . 9-25
9.3 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26
9.4 Switches. . . . . . . . . . . . . . . . . . . . . . . . . . 9-28
9.5 Solenoid and Relays . . . . . . . . . . . . . . . . 9-29
9.6 Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-29
9.7 Diodes and Rectifiers. . . . . . . . . . . . . . . . 9-30
9.8 Wiring Diagrams . . . . . . . . . . . . . . . . . . . 9-31
TABLE OF CONTENTS

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