Great Plains 2020 Vintage Drills - Manual (Page 9)

03-01-92 1-9
SINGLE FLAT FOLD MARKER HYDRAULIC ASSEMBLY INSTRUCTIONS
1. Attach fittings (#16) & (#18) to cylinder ports. Attach the needle valve (#14) & (#15) to the
cylinder fittings as show below. Bolt selector valve (#11) to the selector valve mount on T-Frame
with 3/8” x 3” long bolts (#20), flat washers (#21) lock washer (#22) and nut (#23). Route the hy-
draulic hoses (#7) & (#10) from the fold hydraulic cylinders and marker hydraulic cylinders (hoses
(#14) & (#15)) to the selector valve as shown in illustration. Route hydraulic hoses (#24) & (#25)
from the tractor, through the drill tongue to the selector valve. Secure the hydraulic hoses to the
frame with plastic tie straps (#13) to prevent kinking and pinching during folding operations.
SINGLE MARKER HYDRAULICS
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