559C and 579C Knuckleboom Loaders Caterpillar

Illustration 1	g03699138

1. Allow a cold engine to warm up at LOW IDLE for at least 5 minutes.

2. Look at the display monitor and the indicator lights frequently during operation.

   If low engine oil pressure fails to register, inspect the machine for the cause of the trouble.

   If the display monitor does not display properly, inspect the machine for the trouble. Repair all problems before moving the machine.

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   NOTICE
   Rotate the grapple at least 10 complete revolutions per day, allowing hydraulic oil to completely flow through all lines.

3. Cycle all controls in order to allow warm oil to circulate through all of the lines and the cylinders.

Observe the following recommendations during the warm-up period for the engine:

• In temperatures above 0°C (32°F), the warm-up period is 15 minutes.

• In temperatures below 0°C (32°F), the warm-up period is 30 minutes or a longer time period.

• In temperatures below −18°C (0°F), more time is required if the hydraulic controls are sluggish.