John Deere

OMM143122

Issue E0

Riding Mowers

GX85 and SX85

PIN (105001-)

Introduction

Product Identification

Safety

Operating

Replacement Parts

Service Intervals

Service Lubrication

Service Engine

Service Mower

Service Electrical

Checking the Battery

Removing and Installing the Battery

Clean Battery and Terminals

Using Booster Battery

Replacing Fuse

Service Miscellaneous

Troubleshooting

Storage

Assembly

Specifications

Warranty

John Deere Quality Statement

Service Record

All Manuals Close Window

Service Electrical


Checking the Battery

c CAUTION: Avoid injury! DO NOT attempt to open, add fluid or service battery. Any attempt to do so will void warranty and lead to possible injury.

Battery electrolyte contains sulfuric acid. It is poisonous and can cause serious burns:

ˇ Wear eye protection and gloves.

ˇ Keep skin protected.

ˇ If electrolyte is swallowed, get medical attention immediately.

ˇ If electrolyte is splashed into eyes, flush immediately with water for 15-30 minutes and get medical attention.

ˇ If electrolyte is splashed onto skin, flush immediately with water and get medical attention if necessary.


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ˇKeep battery and terminals clean.

ˇKeep battery bolts tight.

ˇKeep small vent holes open.

IMPORTANT: Avoid damage! This battery comes fully charged. If the mower is not used by the Service Expiration Date indicated on the battery, charge the battery.


ˇRecharge, if necessary, at 6-10 amperes for 1 hour.

Removing and Installing the Battery

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

ˇ DO NOT smoke near battery.

ˇ Wear eye protection and gloves.

ˇ DO NOT allow direct metal contact across battery posts.

ˇ Remove negative cable first when disconnecting.

ˇ Install negative cable last when connecting.

Removing:

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

2. Lift seat.


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3. Disconnect negative (-) battery cable (A).

4. Push red cover (B) away from positive (+) battery cable and remove cable from battery.

5. Remove battery.

Installing:

If installing original battery, follow removal steps in reverse order.

If installing replacement battery, use the following procedure.

Installing Replacement Battery (Service Part #TY6191)

NOTE: The replacement battery is different than the battery that comes with your machine. Be sure you have all the necessary parts to install the replacement battery.

1. Install battery cap, so that the drain is on the negative (-) terminal side of the battery.

2. Install charged battery.


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3. Install drain hose on battery cap (A) using a small hose clamp. See your John Deere dealer to order drain hose (M78562) and clamp (TY22462).

4. Route drain hose on All GX85 Riding Mowers and SX85 Riding Mowers with Serial Number 095001 and After:


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a. Put hose through battery side of slot in rear of seat support (B).


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b. Fasten hose to left-hand shroud support bracket with tie strap (C).

5. Route drain hose on SX85 Riding Mowers with Serial Number Range 085001 - 095000:


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a. Route hose between fuel tank side of slot in rear of seat support and the variator hub (D).


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b. Route hose out left-hand side of frame. It is not necessary to use a tie strap.

6. Follow removal steps in reverse order to secure and connect battery.

Clean Battery and Terminals

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

ˇ Do not smoke near battery.

ˇ Wear eye protection and gloves.

ˇ Do not allow direct metal contact across battery posts.

ˇ Remove negative cable first when disconnecting.

ˇ Install negative cable last when connecting.

1. Disconnect and remove battery.

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

3. Rinse the battery with plain water and dry.

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

5. Apply petroleum jelly or silicone spray to terminal to prevent corrosion.

6. Install battery.

Using Booster Battery


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

ˇ Do not attempt to jump start a frozen battery. Warm to 16 degrees C (60 degrees F).

ˇ Do not smoke near battery.

ˇ Wear eye protection and gloves.

ˇ Keep sparks and flames away.

ˇ Do not connect the negative (-) booster cable to the negative (-) terminal of the discharged battery. Connect at a good ground location away from the discharged battery.


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A - Booster Battery

B - Disabled Vehicle Battery

1. Connect positive (+) booster cable to booster battery (A) positive (+) post (C).

2. Connect the other end of positive (+) booster cable to the disabled vehicle battery (B) positive (+) post (D).

3. Connect negative (-) booster cable to booster battery negative (-) post (E).

4. Connect the other end (F) of negative (-) booster cable to a metal part of the disabled machine frame away from battery.

5. Start the engine of the disabled machine and run machine for several minutes.

6. Carefully disconnect the booster cables in the exact reverse order: negative cable first and then the positive cable.

Replacing Fuse

1. Park machine safely and lift seat. (See Parking Safely in the Safety Section.)


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2. Pull defective fuse (A) out of socket.

3. Check metal clip in fuse window and discard fuse if clip is broken.

4. Push new 15 Amp fuse into socket.

5. Lower seat.