Service - 66 ST37x Operator’s Manual
Precautions
Precautions
Welding Precaution
Read operator’s manual. Know how to use all controls.
Your safety is at stake.
273-475
To help avoid injury:
• Unless otherwise instructed, all service should be performed with engine off.
• Before servicing equipment, lower unstowed attachments to ground.
NOTICE: Welding can damage electronics.
• Disconnect battery to prevent damage to battery. Do not turn off battery disconnect switch with
engine running, or alternator and other electronic devices may be damaged.
• Connect welder ground clamp close to welding point and make sure no electronic components are
in the ground path.
• Always disconnect the Engine Control Unit ground connection from the frame, harness connections
to the ECU, and other electronic components prior to welding on machine or attachments.