Starting With a Slave Battery – On Tractors with Horizontal Exhaust System

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Open Operator's Station Shown

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Cover Removed for Clarity

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Cabin Shown

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Cover Removed for Clarity

CAUTION: It is permissible to start a tractor with a slave battery only if that tractor is equipped with jump-start connections authorized by John Deere. If a tractor is not equipped with connections for jump-starting with a slave battery, then the discharged or defective battery must be replaced with a battery that is sufficiently charged. Have this work done by an authorized dealer.

CAUTION: Danger of injury, danger of explosion! Comply with safety instructions. See “Handling Batteries Safely” in Section 05 and “Battery – Disconnect Electrical Circuit” on the following pages.

CAUTION: Be sure polarity is correct before making battery connections.

CONNECTING: Connect positive terminal (+) first and then negative terminal (-)! DISCONNECTING: Disconnect the negative terminal (-) first and then the positive terminal (+)! Reversed polarity will damage the electrical system.

IMPORTANT: Cables used for jump-starting must be connected only to the (+) and (-) terminals provided for this purpose.

For jump-starting, use cables that cannot be incorrectly connected (to avoid reversed polarity) and have an approx. 70 mm² cross-section; in addition, the terminals must be insulated.

IMPORTANT: If the engine is to be started using a slave battery or run for a short time without battery, do not raise engine speed above 1000 rpm. Furthermore, use additional current (lights) while engine is running.

IMPORTANT: With battery disconnected, insulate the positive battery cable (+) properly to protect the alternator from damage. See also "Important Instructions Regarding Alternator" in Section 85.

Most tractors are equipped with connections to allow jump-starting by an additional 12-volt battery.¹

To perform a jump start, open covers (A) and (B). Connect the positive terminal (+) first, then the negative terminal (—).

When work is finished, first disconnect negative terminal (—) and then positive terminal (+). Close covers (A) and (B) again.