1. Manuals
  2. Brands
  3. Gravely Manuals
  4. Lawn Mower
  5. Promaster 260Z
  6. Service manual

Gravely Promaster 260Z Service Manual

Hide thumbs Also See for Promaster 260Z:
Table of Contents

Advertisement

Quick Links

See also: Service Manual , Owner's/operator's Manual

Advertisement

Table of Contents
loading

Related Manuals for Gravely Promaster 260Z

Summary of Contents for Gravely Promaster 260Z

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section 1 - Introduction ....1-3 Section 5 - Engine ..... . 5-16 1.1 The Manual .

  • Page 3: Section 1 - Introduction

    Operation and may void the warranty. Gravely disclaims liability Before operation of the unit, carefully and completely for any claims or damages, whether warranty, property read manuals supplied with the unit. The contents will...

  • Page 4: Section 2 - Safety

    To reduce the incidence of misplaced tools or parts, Tools, instruments, and parts needed for the job should place removed components with all attaching hardware be gathered before work is started. Interrupting a job to in the disassembly order on a clean work surface. locate tools or parts is a needless delay.
  • Page 5 Operation • Only trained adults may operate unit. Understand: • Training includes actual operation. • How to operate all controls • Clearly understand instructions. • The functions of all controls • Be alert! Conditions can change. • How to STOP in an Emergency NEVER operate unit after or during the use of medication, drugs or alcohol.
  • Page 6 Storage DO NOT store unit inside a building with fuel in the fuel tank where any ignition sources are present. Allow unit to cool completely. ALWAYS clean unit before extended storage. See Engine Manual for proper storage. Battery Avoid Electric Shock. DO NOT reverse battery connections.

  • Page 7: Section 3 - Specifications

    SECTION 3 - SPECIFICATIONS Model Number 992020 and 022 992018 992021 992023 992024 Model PM260Z 25 HP PM260Z 25 HP PM260Z 22 HP PM250Z 20HP PM260Z 22 HP Kohler with Kohler with Robin with Briggs & Robin with 60" deck 50"...

  • Page 8: Section 4 - General Maintenance & Adjustments

    SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS 4.1 CONTROLS AND FEATURES OF1722 Figure 2 1. Mower Deck with Chute Deflector 11. Ignition Switch 2. Fuel Shut Off Valve 12. Power Take Off (PTO) Switch 3. Parking Brake 13. Steering Levers 4.

  • Page 9: Service Position - 260Z

    4.2 SERVICE POSITION - 260Z Daily Service Position: Place engine hood prop rod into service slot. Assure rod is engaged in slot properly. WARNING: ALWAYS block wheels and know Full Service Position: Slowly release frame after seat that jack stands or blocks used are stable, contacts foot board.

  • Page 10: Filling The Fuel Tank

    When taking unit out of extended storage: 4.7 FASTENERS 1. Check for any damage or loose parts. Repair, Each day before operating, check mower blade replace, or tighten hardware before operation, mounting hardware and all other fasteners. Replace especially blade attachment bolts. fasteners that are missing or damaged.

  • Page 11: Basic Engine Maintenance

    4.9 BASIC ENGINE MAINTENANCE Replacing Mower Belts NOTE: Long belt must be removed to remove short See your engine manual and Section 5 of this manual belt. for detailed information on the operation and maintenance of your engine. 1. Roll long belt off left blade spindle and remove from deck.

  • Page 12: Tires

    4.12 MOWER BLADES NOTE: If mower is used under sandy soil conditions, replace blades when air lifts become eroded through at ends (Figure 9). 1. Cutting Blade 2. Square Corner 50" and 60" Belt Layout 3. Air Lift Erosion 1. Long Mower Belt 4.

  • Page 13: Steering Control Neutral Adjustment

    4.13 STEERING CONTROL NEUTRAL on the pump. The screw may be turned in or out to bring the unit into neutral. ADJUSTMENT 8. If major adjustment is needed, it is best to remove If the unit has excessive creep when the control levers the front ball joint from the bottom of the control are in neutral, adjust as follows: (Figure 10) levers and turn the stop screw in or out until neutral...

  • Page 14: Adjusting The Parking Brake

    4.15 ADJUSTING THE PARKING BRAKE 4.16 ADJUSTING THE UNIT TO TRACK STRAIGHT 1. The Parking Brake may be adjusted through the use of the jam nuts on the brake rod which push Check and adjust tire pressure. Increase pressure on against the compression spring which pushes on side unit tracks toward.

  • Page 15: Leveling The Mower Deck

    4.17 LEVELING THE MOWER DECK These adjustments should be made on a level surface Right Side View with the tires inflated to the correct air pressure. The mower is leveled from side to side with the slots where 4 chains fasten to the mower mounting brackets. The mower is leveled from front to rear by adjusting the rod running down each side of the frame (Figure 13).

  • Page 16: Section 5 - Engine

    SECTION 5 - ENGINE 5.1 ENGINE TROUBLESHOOTING The following troubleshooting chart is to be used to The troubleshooting key is generic and can be used for isolate engine problems and give possible causes and several types of engines. Use only those possible corrective action responses.

  • Page 17: Removing The Engine

    5.2 REMOVING THE ENGINE 1. Place the mower in the full service position. 2. Disconnect the battery cables, negative first. 3. Disconnect ignition wires using the connectors. 4. Remove the belts from the pulley and clutch. 5. Unscrew the bolt from the center of the output shaft and remove clutch.

  • Page 18: Section 6 - Drive Train

    SECTION 6 - DRIVE TRAIN 15W50 synthetic oil. Start the engine and run for 1 - 2 minutes. WARNING: Hydraulic Fluid can result in 6. After shutting off the engine, check the fluid level. severe burns. Fluid in hydraulic system can The dipstick should read the fluid level between the penetrate skin and result in serious injury or high and low markings.

  • Page 19: Replacing The Hydraulic Pump

    6.4 REPLACING THE HYDRAULIC PUMP To Replace a Hydraulic Pump 1. Lift cover to full service position. The two hydraulic pumps are located inside the chassis in front of the engine. The pumps are maintenance free 2. Remove the cross channel. and should be replaced in the event of a failure.

  • Page 20: Replace Wheel Motor

    6.5 REPLACE WHEEL MOTOR Each drive wheel is mounted to a hydraulic drive motor. The drive motors are maintenance free. In the event of a failure, the drive motors should be replaced. 1. Hub 2. Hydraulic motor Figure 16 To Replace a Drive Motor 15.Tight lug nuts using the pattern shown in Figure 17.

  • Page 22: Hydraulic Diagram

    6.8 HYDRAULIC DIAGRAM Lift Cylinder Lift Valve Deck Lower Return Deck Lift Left Pump Forward High Inlet Pressure Right Pump Right Left Wheel Forward Wheel Upper Upper Motor High Motor Reverse Pressure High Pressure Reverse High Pressure Lower Lower Filter PRESSURE RETURN SUCTION...

  • Page 23: Section 7 - Mower Deck

    SECTION 7 - MOWER DECK 7.1 MOWER DECK Mower Spindles This unit utilizes a maintenance free extended life spindle. No routine maintenance is required. In the event of bearing failure or a bent shaft the spindle should be replaced. To Remove the Spindle 1.

  • Page 25: Section 9 - Electrical

    SECTION 9 - ELECTRICAL 9.1 TOOLS 9.2 ELECTRICAL MEASUREMENTS There are some specialized tools and test equipment In many electrical circuits, there is some visible effect that are needed for electrical repair work. A brief which indicates that the circuit is functioning properly. A description of these follows.

  • Page 26: Battery

    Voltage Measurement WARNING: EXPLOSIVE GASES can result There are two basic rules to be remembered when in serious injury or death. ALWAYS keep open using a voltmeter. A voltmeter measures the voltage flames, sparks, or smoking materials away difference between the test leads and the voltmeter is from battery.
  • Page 27 IMPORTANT: When distilled water is added to battery 8. Connect positive (+) lead of charger to positive (+) during freezing weather, battery must be charged to terminal, and negative (-) lead to negative (-) mix water with electrolyte, or water will remain at top terminal.

  • Page 28: Switches

    IMPORTANT: Charging at higher rates will damage the 9.4 SWITCHES battery and cause excessive gassing and acid Switches either open a circuit to stop current flow or spewing. close and allow current to flow through. Jump Starting A normally open (N.O.) switch prevents current flow until the switch is actuated, completing the circuit and The unit used for jump starting should have a 12 volt allowing current to flow through it.

  • Page 29: Solenoid And Relays

    Ignition Switch To check electrically, connect a voltmeter across the coil of the device and activate the circuit that operates NOTE: Refer to the wiring diagram of the unit involved the relay or solenoid. If the meter indicates no voltage to determine switch functions and test using the meth- is applied, the cause is in the control circuit.

  • Page 30: Diodes And Rectifiers

    functioning) or the device is open and is therefore defective. Use an ohmmeter to check for continuity. 9.7 DIODES AND RECTIFIERS Diodes are solid state, semiconductor devices. They contain no moving parts and conduct current better in one direction than the other. They are electrical "check valves"...

  • Page 31: Wiring Diagrams

    9.8 WIRING DIAGRAMS Models 992018, 020, 021, 022, 024 SEAT SEAT / PTO RELAY SWITCH PINK BLACK POWER SUPPLY BLACK SWITCH CLUTCH HOUR PURPLE / WHITE METER PURPLE BLACK BLACK LIGHT OIL PRESSURE BLUE / WHITE FUEL SOLENIOD START RED / YELLOW RELAY ENGINE REGULATOR...
  • Page 32 Model 992305 SEAT / PTO RELAY SEAT SWITCH PINK BLACK POWER SUPPLY BLACK SWITCH CLUTCH HOUR PURPLE / WHITE METER PURPLE BLACK BLACK LIGHT OIL PRESSURE BLUE / WHITE FUEL SOLENIOD START RED / YELLOW RELAY ENGINE REGULATOR PURPLE BLACK MAGNETO KILL WHITE / BLACK STARTER...
  • Page 33 Model 992023 SEAT SEAT / PTO RELAY SWITCH PINK BLACK POWER SUPPLY BLACK SWITCH CLUTCH HOUR PURPLE / WHITE METER PURPLE BLACK BLACK LIGHT OIL PRESSURE BLUE / WHITE SWITCH START FUEL SOLENIOD RED / YELLOW RELAY ENGINE REGULATOR PURPLE BLACK MAGNETO KILL WHITE / BLACK...
  • Page 34 GRAVELY A Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.gravely.com...

This manual is also suitable for:

Promaster 250z

Table of Contents