Section 1: Assembly & Set-up
7/31/20
RC4620 & RCM4620 Rotary Cutters 331-936M
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“Rephasing Cylinders & Plumbing”
Rephasing Cylinders & Plumbing
Refer to Figure 1-14:
The deck cutting height and transporting height are
controlled by three rephasing cylinders (#1, #2 & #3)
which are plumbed together to operate in unison. The
decks will not lift properly if rephasing cylinders are
plumbed incorrectly. Use Figure 1-14 to verify plumbing.
1.
Rephasing hydraulic cylinder 3 1/4" x 8" x 1 1/4" rod
2.
Rephasing hydraulic cylinder 3" x 8" x 1 1/4" rod
3.
Rephasing hydraulic cylinder 2 3/4" x 8" x 1 1/4" rod
4.
Straight adapter 3/4 MORB x 3/4MJIC
5.
Quick disconnect poppet type coupler, 3/4" FORB male
6.
3/8" Hydraulic hose, 228" long x 3/4" MORB x 3/4" FJIC
7.
3/8" Hydraulic hose, 114" long x 3/4" FJIC
8.
3/8" Hydraulic hose, 234" long x 3/4" FJIC
9.
3/8" Hydraulic hose, 288" long x 3/4" MORB x 3/4" FJIC
Wing Folding Cylinders & Plumbing
Refer to Figure 1-15:
The wing folding cylinders (#1) are single-acting and
should be connected to an outlet with float option to allow
the wings to flex up and down as they travel over uneven
ground while cutting. Use Figure 1-15 to verify plumbing.
1.
Hydraulic cylinders 3" x 12" x 1 1/4" rod
2.
Orifice elbow, 1/16" x 9/16" MJIC x 9/16" MORB
3.
1/4" Hydraulic hose, 66" long x 9/16" FJIC x 9/16" FJIC
4.
Bulkhead Tee 9/16"MJIC x 9/16"MJIC x 9/16" MJIC
5.
3/8" Hydraulic hose, 189" long x 3/4"MORB x 9/16" FJIC
6.
Quick disconnect poppet type coupler, 3/4" FORB male
Rephasing Lift Cylinders and Plumbing
Figure 1-14
33912
Wing Folding Cylinders and Plumbing
Figure 1-15
33913