Great Plains 3S-4000F Operator Manual - Manual (Page 83)

Great Plains Manufacturing, Inc. Table of Contents Index Maintenance and Lubrication 79
2014-06-10 Table of Contents Index 195-394M
Opener Hydraulic Filters
If the raising or lowering times of the opener are
noticeably slower, check the in-line filter and clean if
needed.
Refer to Figure 77
For S/N YY1310 2004-
1. To disassemble unscrew end cap of filter opposite
direction of flow. Remove large and small springs
from inside the filter. Pull the poppet up out of filter.
Using a hook, pull up filter seat and screen.
2. Clean filter screen with solvent and compressed air.
3. When reassembling push filter seat and screen back
into filter. Place poppet in filter with arrow tip down.
Replace springs and end cap.
For S/N YY1310 2005+
4. To disassemble unscrew end cap of filter. Remove
top retaining washer and screen.
5. Clean filter screen with solvent and compressed air
or replace if needed.
6. When reassembling put screen into filter. Place
retaining washer on top of filter and screw on end
cap.
Figure 88
In-line Hydraulic Filters
S/N YY1310 2004-
22984