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Service Electrical

Service the Battery Safely

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.

Checking the Battery (Sealed Batteries)

NOTE: Do not attempt to open, add fluid or service battery. Any attempt to do so will void warranty.

• Keep battery and terminals clean.

• Keep battery bolts tight.

• Keep small vent holes open.

IMPORTANT: Avoid damage! This battery comes fully charged. If the machine is not used by the service expiration date indicated on the battery, charge the battery.

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

Cleaning or Replacing Battery (If Equipped)


1. Loosen cap screws (A).

2. Remove negative (black) cable (B) from the battery first.

3. Remove positive (red) cable (C).

• Pull terminal cover back far enough to expose terminal.

4. Remove battery.

5. Clean battery, battery terminals, cable ends, hold-down, and battery tray with a solution of 1 part baking soda to 4 parts water. Keep solution out of battery cells.

NOTE: If a new battery is required, install a replacement John Deere battery or an equivalent. (See your John Deere dealer.)

6. Rinse all parts with clean water. Let dry.

7. Install battery.

8. Connect positive (red) cable (C) to battery.

• Install terminal cover.

9. Connect negative (black) cable (B) to battery.

10. Apply di-electric grease to all non-sealed connectors when reassembling.

IMPORTANT: Avoid damage! Battery can be damaged if screws are too tight. Do not overtighten screws. Tighten only enough to secure battery.

11. Tighten cap screws (A) to secure battery.

Cleaning Battery and Terminals

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

2. Disconnect and remove battery.

3. 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.

4. Rinse the battery with plain water and dry.

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

6. Install battery.

7. Attach cables to battery posts using washers and nuts.

8. Apply general purpose grease or silicone spray to terminal to prevent corrosion.

Checking Battery Electrolyte Level

NOTE: Add only distilled water to replace battery electrolyte.

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

2. Remove battery cell caps. Make sure cap vents are not plugged.


3. Check electrolyte level. Electrolyte (B) should be approximately halfway between bottom of filler neck (A) and top of plates (C).

IMPORTANT: Avoid damage! Do not overfill battery. Electrolyte can overflow when battery is charged and cause damage.

4. Add only distilled water if necessary.

5. Install battery cell caps.

Using Booster Battery

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

• Do not smoke or have open flame near battery.

• Wear eye protection and gloves.

• Do not jump start or charge a frozen battery. Warm battery to 16?C (60?F).

• 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.


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).

IMPORTANT: Avoid damage! Electric charge from booster battery can damage machine components. Do not install negative booster cable to machine frame. Install only to the engine block.

Install negative booster cable away from moving parts in the engine compartment, such as belts and fan blades.

4. Connect the other end (F) of negative (–) booster cable to a metal part of the disabled machine engine block 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 (Electric Start Equipped Only)

One 20-amp fuse is located on the left side of the frame near the start interlock relay.


1. Remove main fuse connector (A) from holder and remove fuse from connector.

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

3. Install new fuse into socket.