MacDon HC10 for D-Series - Manual (Page 18)

SAFETY
1.8 Welding Precaution
High currents and voltage spikes associated with welding can cause damage to electronic components. Before
welding on any part of the windrower or an attached header, disconnect all electronic module harness connections
as well as the battery cables. Refer to your technical manual or MacDon Dealer for proper procedures.
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Rev. D