Great Plains UT5052 Operator Manual - Manual (Page 24)

Section 1: Assembly Great Plains Mfg., Inc.
Series I UT3030-UT5052 Ultra-Till 576-026M 10/28/2004
22
Fold Cylinders, Rocker Arm and 3” Rollers Assembly
Connect the base end of all the fold
cylinders (1) to their respective fold brackets
as shown in Figure 9 with 1” x 3 1/2 clevis
pins (2) with 1” machine washer and 3/16 x 2
cotter pins (See Hydraulics in parts manual
for cylinder sizes and placement). Do Not
Connect Rod End Of Cylinders Before They
Are Charged With Oil. Support the cylinders
with 2 x 4 blocks of wood so the cylinders
rods will clear the machine when they are fully
extended.
On 5-section models, bolt the hose
holders (3) to the center frame with a 1/2 x 4
1/2 hex bolts (4), using lock washers and hex
nuts.
You are now ready to connect the
hydraulic hoses to the cylinders and charge the
fold system (see Hydraulics parts manual for
hydraulic fold layout).
After plumbing the hoses and fittings,
repeatedly extend and retract the fold cylinders
until all the air is purged from the system.
Once the fold cylinders are fully
charged with oil and free of air, connect the
inside cylinders to the rockers and fold
brackets with 1” x 3 1/2 clevis pin (5) with 1”
machine washer and 3/16 x 2 cotter pins. On
5-section machines, connect the outside
cylinder rod ends using 1 x 7 Gr.8 special
thread hex bolts (6) to the outside wing rockers
and H-brackets. Use 1” flat washers and fold
rollers (7) as shown in Figure 9. Secure with
1” nylon lock nuts. Rollers must turn freely!
Figure 9