Bobcat E85 Excavator Battery Maintenance Guide

This is a battery maintenance instruction for Bobcat E86 excavator.Correct maintenance steps make your bobcat machine work longer and well.

 

Battery Maintenance

Open the center cover.

The battery (Item 1) is located under the center cover.

IMPORTANT

AVOID ELECTRICAL COMPONENT DAMAGE

Disconnecting the battery while the engine is running can cause damage to electrical components.Disconnect battery only when the engine is turned OFF.

The battery cables must be clean and tight.Remove acid or corrosion from the battery and cables using a sodium bicarbonate and water solution.Cover the battery terminals and cable ends with battery saver grease to prevent corrosion.Check for broken or loose connections.

If the battery cables are removed for any reason,disconnect the negative (-) cable first. When installing the battery cables, make the last connection the negative (-) cable to the battery.

The original equipment battery is maintenance free. If a replacement battery is installed, check the electrolyte level in the battery.

If the electrolyte level is lower than 13 mm (0.50 in) above the plates, add distilled water only.

 

WARNING

AVOID INJURY OR DEATH

Batteries contain acid which burns eyes and skin on contact. Wear goggles, protective clothing and rubber gloves to keep acid off body.In case of acid contact, wash immediately with water.

In case of eye contact get prompt medical attention and wash eye with clean, cool water for at least 15 minutes.

If electrolyte is taken internally drink large quantities of water or milk! DO NOT induce vomiting. Get prompt medical attention.

 

Using A Booster Battery (Jump Starting)

If it is necessary to use a booster battery to start the engine, BE CAREFUL! There must be one person in the operator’s seat and one person to connect and disconnect the battery cables.

Be sure the key switch is OFF. The booster battery must be 12 volt.

Open the center cover.

Connect one end of the first cable to the positive (+) terminal of the booster battery. Connect the other end of the same cable to the positive (+) terminal (Item 1) of the excavator battery.

Connect one end of the second cable to the negative (-) terminal of the booster battery. Connect the other end of the same cable to a frame ground (Item 2) (not at the battery negative (-) post).

Start the engine. After the engine has started, remove the ground (-) cable first (Item 2).

Remove the positive (+) cable (Item 1) and the other cables.

NOTE: (See Cold Temperature Starting in the Operation And Maintenance Manual.)

 

IMPORTANT

Damage to the alternator can occur if:

• Engine is operated with battery cablesdisconnected.
• Battery cables are connected when using a fastcharger or when welding on the excavator.(Remove both cables from the battery.)
• Extra battery cables (booster cables) areconnected wrong.

 

More repair topic for Bobcat,please refer to:Bobcat Excavator Repair

 

Removing And Installing Battery

Open the center cover.

Rotate the master disconnect switch (Item 1) counterclockwise to the OFF position.

Disconnect the negative (-) cable (Item 1) first.

Disconnect the positive (+) cable (Item 2).

Remove the two nuts and washers (Item 3) and remove the hold down clamp (Item 4).

Remove the battery.

 

Always clean the terminals and the cable ends, even when installing a new battery.

Install the battery. Install the hold down clamp, washers and tighten the nuts.

Connect the battery cables. Connect the negative (-) cable (Item 1) [Figure 50-20-5] last to prevent sparks.

Rotate the master disconnect switch (Item 1) clockwise to the ON position.

Close the center cover.

 

AVOID INJURY OR DEATH

Batteries contain acid which burns eyes and skin on contact. Wear goggles, protective clothing and rubber gloves to keep acid off body.

In case of acid contact, wash immediately with water.

In case of eye contact get prompt medical attention and wash eye with clean, cool water for at least 15 minutes.

If electrolyte is taken internally drink large quantities of water or milk! DO NOT induce vomiting. Get prompt medical attention.