Great Plains 1700TT Dual Valve - Manual (Page 3)

Assembly Instructions for 586-168A
1700TT Hydraulic Update Kit
1) Assemble the fittings in the down pressure valve
as shown. Be sure to apply thread sealant to the
threads on the gauge.
2) Mount the new down pressure valve as shown at the rear
of the hitch frame. Use the ½ x 4 ½ bolts w/ lock washers
and nuts to secure the mounting bracket. Use the ¼ x 2 ½
bolts, flat washers, lock washers and nuts to mount the
valve.
3) Apply pipe thread sealer to the adapter
(811-023C) fitting and screw it into the ½”
FNPT Tee (811-855C) as shown.
4) Disconnect hose from the filter at the front of the existing valve (2). Remove the
filter and replace with a ¾ O-ring x ¾ JIC adapter (811-088C).
5) Screw the filter into adapter (811-023C) and reconnect
the hose from the tractor to the filter. Attach one end of
one of the 12” hoses to the tee and connect the other
end to the JIC adapter at the front of the valve body as
shown. Do this for both 12” hoses.
6) Disconnect the return hose from the adapter at the
rear of the existing down pressure valve. Insert the
Tee (811-073C) and reattach the hose as shown.
7) Attach the 131” hose (22) to the straight fitting at the
side of the new valve (3). Run this hose to the rear
of the unit and attach to the base end of the left-hand
fold cylinder as shown in the schematic.
8) Remove the tee that is between the hose attached to the base end of the right hand
fold cylinder and the hose, which comes from the existing pressure valve. Replace
this tee with a straight adapter (811-430C).
811-584C 811-216C
811-281C
811-255C
811-584C
Apply Thread Sealer
Here
811-073C
12” Hoses