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Draining the reservoir sediment
1. Release all pressure in the hydraulic reservoir. Refer
to page 6-34.
2. Place a receptacle of a suitable capacity under the
drain plugs.
3. Remove the drain plugs from the reservoir and drain
the sediment and water accumulated at the bottom of
the reservoir.
4. After draining, install the drain plugs.
5. Add hydraulic oil if necessary. See "Filling the reser-
voir".
Replacing the pilot filter
1. Release all pressure in the hydraulic system. Refer to
page 6-34.
2. Unscrew and remove the filter using a wrench.
3. Coat the seal of the new filter with a fine film of clean
oil.
4. Install the new filter. Turn the filter until the seal comes
into contact with the filter head then tighten by an extra
third of a turn by hand.
6 - MAINTENANCE
6-38
4
E703CA80
5
DBC389B1
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