John Deere OMM141979 J9 - Manual (Page 7)

Safety - 3
SAFETY
Practice Safe Maintenance
• Understand service procedure before doing work. Keep
area clean and dry.
• Never lubricate, service, or adjust machine while it is
moving. Keep safety devices in place and in working
condition. Keep hardware tight.
• Keep hands, feet, clothing, jewelry, and long hair away
from any moving parts, to prevent them from getting
caught.
• Lower attachments to the ground before servicing
machine. Disengage all power and stop the engine. Lock
park brake and remove the key. Let engine cool.
• Securly support any machine elements that must be
raised for service work.
• Never run engine unless park brake is locked.
• Keep all parts in good condition and properly installed.
Fix damage immediately. Replace worn or broken parts.
Remove any buildup of grease or debris.
• Do not modify machine. Unauthorized modifications to
the machine may impair its function and safety.