Great Plains 3P1006NT Assembly Instructions - Manual (Page 3)

Remove Old Lift Assist Front Page Part Lists Great Plains Manufacturing, Inc. 3
05/05/2011 Front Page Part Lists 151-181M
Remove Old Lift Assist
Remove Hydraulic Cylinders and Hoses
Refer to Figure 3
Preparation
1. If lift assist lock channels or stroke control spacers
are installed, raise drill and remove them.
2. Support the drill frame with a jack placed at each
end under the frame plate
(see Figure 4).
3. Put remote outlet in Float to remove hydraulic pres-
sure.
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings before
applying pressure. Fluid escaping from a very small hole can
be almost invisible. Use paper or cardboard, not body parts,
and wear heavy gloves to check for suspected leaks. If injured,
seek immediate medical attention from a physician familiar
with this type of injury.
Remove Hydraulic Hoses
4. Disconnect each hose connection at top (base
end) of hydraulic cylinder.
5. Remove all seven clips (bolts, lock washers and
nuts)
holding hoses to the underneath part of the
walkboard and along both sides of the frame.
6. Undo the ends of each cylinder hose from the end
ports of the tee .
7. Undo the end of the tractor feed-line from the
tee .
Save the tractor feed-line hose, it is reused.
841-286C HH1/4R2 134 9/16FJIC 1/2MNP
Save the hose clips, they are reused.
800-239C 1.125 WIRING AND TUBE CLIP
Save the bolts, lock spring washers and nuts that go
with the clips. They are reused.
802-017C HHCS 3/8-16X1 GR5
803-014C NUT HEX 3/8-16 PLT
804-013C WASHER LOCK SPRING 3/8 PLT
Remove Cylinders
8. Remove pin clevis, cotter pin and washer to release
the cylinder from the eyebolt. Remove pin clevis and
fasteners holding bottom of cylinder to assist arm.
Remove both cylinders, they are not reused.
Figure 3
Disassemble Hydraulic Lines
28404
79
80
80
70
8
81
8
81
74
74
70
76
69
76
1
80
74
80
79
81
79
81
69
70
74
76