500 Hour / 3 Month Service; Perform All Daily, 50 And 250 Hour Service Checks; Track Spring - Check; Swing Gear And Pinion - Lubricate - Doosan DX380LC-7K Operation And Maintenance Manual

500 Hour / 3 Month Service

Perform All Daily, 50 and 250 Hour Service
Checks

Track Spring - Check

Check the track tension every 500 hours. If necessary, adjust
the track spring.
NOTE: If the unit has been running or working in water, the
track spring must be greased on a 10 hour/daily
basis.

Swing Gear and Pinion - Lubricate

AVOID DEATH OR SERIOUS INJURY
Greasing swing gear and pinion must be done by only one
person.
1. Remove inspection cover on the main frame and inspect
the condition of the grease. Inspect for water or other
contaminants on the gear teeth.
NOTE: The upper structure must be rotated a little at a
time so the entire face of the swing gear can be
lubricated.
performing this operation.
2. If water or other contaminations are found, remove lower
access cover bottom of the track frame so the gear teeth
can be thoroughly cleaned and lubricated.
3. Install access covers after lubricating gear teeth.
Inspection, Maintenance and Adjustment
4-48
WARNING
Use extreme caution when
Figure 46
DS1900860
DX380LC-7