7032 SOUTH 196th - KENT, WA 98032 - (253) 872-0141 / FAX (253) 872-8710
OPERATION / MAINTENANCE MANUAL
MODEL 50 VIBRATORY HAMMER WITH MODEL 260 POWER UNIT
V. MAINTENANCE (Continued...)
V-7E. Power Unit - Changing Hydraulic Return Filter Element
The hydraulic return filter is mounted on the hydraulic tank inside the power unit. It is mounted high
on the tank so that when the filter element is removed the oil will not drain from the hydraulic tank.
The filter has a manual pop-up type indicator to tell when the filter is dirty. The pop-up indicator turns red
when it is dirty.
V-7F. Power Unit - Steps to Remove the Element
1. Shut down power unit by turning off the diesel engine.
2. Place warning tag on control panel so that no one mistakenly starts the unit while
filters are being changed.
3. Clean area around filter so that when it is removed there is no chance of introducing dirt
into the hydraulic system.
4. Using a filter wrench, turn the filter counter clockwise and spin the filter off the filter
housing.
5. Install new clean filter making sure the o-ring is in place.
6. Depress filter indicator to re-set to "clean position".
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