Great Dane GDRZ72-28KHE, GDRZ72-27KHE Service Electrical, Removing and Installing the Battery

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SERVICE ELECTRICAL

WARNING: Battery posts, terminals and related accessories contain lead and lead components, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

Removing and Installing the Battery

c CAUTION: Avoid injury! The battery produces a flammable and explosive gas. The battery may explode:

•Do not smoke near battery.

•Wear eye protection and gloves.

•Do not allow direct metal contact across battery posts.

•Remove negative cable first when disconnecting.

•Install negative cable last when connecting.

Removing:

1.Park machine safely. (See Parking Safely in the Safety section.)

				F
	E			E
	E
	G			G
	H			H
	H		A	B
	D	C	A
	D

	H

				MX15326

2.Slide black cover (A) away from the negative battery terminal and disconnect the negative battery cable (B).

3.Slide red cover (C) away from the positive battery terminal and disconnect the positive battery cable (D).

4.Remove nuts (E) and washers from both sides of the bracket (F).

5.Remove bracket (F) and J-bolts (G).

6.Remove battery (H).

Installing:

1.Install battery (H) using J-bolts (G), bracket (F), washers and nuts (E).

2.Connect the positive battery cable (D) first, then the negative cable (B).

3.Apply petroleum jelly or silicone spray to the terminals to prevent corrosion.

4.Slide covers (A and C) over battery terminals.

Cleaning Battery and Terminals

c CAUTION: Avoid injury! The battery produces a flammable and explosive gas. The battery may explode:

•Do not smoke near battery.

•Wear eye protection and gloves.

•Do not allow direct metal contact across battery posts.

•Remove negative cable first when disconnecting.

•Install negative cable last when connecting.

1.Disconnect and remove battery.

2.Wash battery with a solution of four tablespoons of baking soda to one gallon of water. Be careful not to get the soda solution into the battery cells.

3.Rinse the battery with plain water and dry.

4.Clean terminals and battery cable ends with wire brush until bright.

5.Install battery.

6.Attach cables to battery posts using washers and nuts

(H).

7.Apply petroleum jelly or silicone spray to terminals to prevent corrosion.

Service Electrical - 51

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Contents OPERATOR’S Manual Introduction Using Your Operator’s ManualSpecial Messages Record Identification Numbers Product IdentificationTable of Contents Understanding The Machine Safety Labels SafetyM131748, MX15340 Canadian Electromagnetic Compatibility EMC Compliance Emission Control System Certification LabelEmission Compliance Period CertificationOperating Safely Operator Training RequiredRotating Blades are Dangerous Using a Spark ArrestorChecking Mowing Area Parking SafelyAvoid Tipping Keep Riders OffChecking Wheel Bolts Wear Appropriate Clothing Practice Safe MaintenanceDriving Safely on Public Roads Avoid High-Pressure Fluids Tire SafetyPrevent Fires Handling Waste Products and Chemicals Handling Fuel SafelyFuel and fuel vapors are highly flammable Operator Station Controls Daily Operating ChecklistTesting Safety Systems OperatingTesting Seat Switch Testing PTO SwitchTesting Park Brake Switch Testing Neutral Start SwitchRaising and Lowering Operator Seat Adjusting SeatAdjusting Mower Deck Cutting Height Mounting and Dismounting Machine SafelyUsing the Park Brake Adjusting Mower Deck Anti-Scalp WheelsEngage PTO Using the Key SwitchUsing the PTO Unlocking Park BrakeUsing the Motion Control Levers Using the Throttle LeverUsing the Hourmeter Using the Choke Carbureted Engines OnlyNeutral Lock Position Optional Over the Lap Levers Sharp Left Turn Forward Gentle Right TurnReverse Gentle Left TurnStarting the Engine Stopping the Engine Engaging MowerPicture Note Left pump shown Using Hydraulic Pump Free-Wheel ValvesTransporting Machine Mowing TipsDismounting to Inspect Mower Mowing Travel SpeedsAvoid Damage to Plastic and Painted Surfaces Parts Replacement PartsPart Numbers Service Intervals Lubrication Points Service LubricationGrease Spray LubricantPicture Note 72-inch mower deck Picture Note 48-, 52- and 61-inch mower decksService Engine Oil Capacity With Filter Dry Checking and Cleaning Air Filter ElementsCleaning Engine Air Intake Screen and Fan Cleaning Engine Oil Cooler Kohler EnginesPicture Note Kawasaki engine shown Checking Spark Plug Adjusting Carburetor Carbureted EnginesReplacing Fuel Filter Carbureted Engines Replacing Fuel Filter Fuel Injected EnginesPriming Fuel Injectors Fuel Injected Engines Troubleshooting the Kohler Electronic Fuel Injection SystemService Engine Changing Hydraulic Oil and Filter Service TransmissionHydraulic Oil Checking Hydraulic Oil LevelCleaning Hydraulic Pump Cooling Fins Removing and Installing Traction Drive BeltNeutral Creep Adjustment Checking and Adjusting Motion Control LinkagesCheck Maximum Speed Drift Maximum Speed Drift Adjustment Hydraulic System Hose Routing Cooling Orifice Hydraulic System SchematicServicing Front Caster Wheel Roller Bearings Chariot LX Service Steering & BrakesRemove and Install Front Caster Wheels Servicing Front Caster Wheel Roller Bearings ChariotServicing Caster Spindle Bearings Adjusting Front Caster Spindle BearingCheck Alignment Height Adjustment ProcedureAlignment Procedure Adjusting Park BrakeRemoving and Installing Mower Deck Foot Plate Service MowerRemoving and Installing Mower Deck Belt Shields Picture Note Discharge chute raised for photo clarity Adjusting Level Side-to-SideLeveling Mower Deck Checking Level Side-to-SideAdjust Thrust Arm-to-Stop Rod Clearance Transport Position Checking and Adjusting Cutting HeightAdjust Assist Spring Tension Adjusting Deck Lift Assist Spring TensionCheck Spring Tension MX15328 MX15318 Checking and Replacing Mower Blades Balancing Blades Sharpening Blades Replacing Mower Blades Replacing Mower Spindle Bearings 72-Inch Mower Deck Service Mower Removing and Installing the Battery Service ElectricalCleaning Battery and Terminals Replacing Fuses Fuel Injected Engines Using Booster BatteryBooster Battery Disabled Vehicle Battery Replacing Fuse Carbureted EnginesBurnishing the PTO Clutch Wiring Schematic Carbureted Engines Wiring Schematic 26 HP Fuel Injected Engine Wiring Schematic 28 HP Fuel Injected Engine Tire Size Pressure Service MiscellaneousFilling Fuel Tank Checking Tire PressureCleaning and Repairing Metal Surfaces Remove and Install Rear Drive WheelsUsing Troubleshooting Chart TroubleshootingCheck Troubleshooting Electrical System Park Brake MachineSteering Mower Deck Preparing Fuel and Engine for Storage Storing SafetyStorage Preparing Machine for StorageAssembly Lubricate Machine Install Motion Control LeversInstall Seat Check Safety SystemInitial Adjustments Specifications Height Adjustment Increments mm 1/2 Index Belt Shields, Removing and Installing Mower DeckSpindle Bearings, Replace, 48-, 52- and 61-In. Decks Record Service Dates Service Record GD