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Section 6: Hydraulic Plumbing
11/2/18
RCP2660, RCPM2660, RCP3060 & RCPM3060: Parallel Arm Rotary Cutter: 316-111M:
46
Breakaway Cylinder
CAUTION
!
To avoid minor or moderate injury:
The breakaway cylinder is designed to bypass hydraulic fluid
under high pressure when cutter head or parallel arms strike
an object during forward movement.
Do not
use a standard
hydraulic cylinder for the breakaway cylinder or damage
could occur to the unit.
The breakaway cylinder is used to prevent structural
damage to the cutter head and parallel arms. If cutter
head strikes an object during forward movement, the
breakaway cylinder extends - allowing the parallel arms
and cutter deck to freely pivot 90 degrees to the rear.
The breakaway cylinder should be installed as shown in
Figure 6-2. Make sure the rod end of the cylinder is
mounted to the pivot lug as shown. Connect both hoses
from cylinder to a remote duplex outlet on the tractor.
Pressure Shut Down Valve Operation
Standard pressure shut down valves inherently leaks a
small amount of oil allowing the deck to drift back during
field operation. When needed, reset cutter deck forward
using tractor control levers.
Optional pressure shut down valves are available that will
greatly reduces the frequency of deck drift but they will
require continuous force against the deck to move it back.
Deck does not pivot back as freely as it does when
using standard pressure shut down valves
.
See Land Pride’s Parts Manual No. 316-111P for ordering
either the standard or optional pressure shut down
valves. Order only genuine Land Parts from your local
Land Pride dealer.
IMPORTANT:
A 1/2" bolt is installed for shipping
purposes only. This bolt must be remove before
connecting the hydraulic hoses to the tractor.
Section 6: Hydraulic Plumbing
Remote Cylinder Plumbing For Tractor Control
Figure 6-1
27974
Breakaway Cylinder Installation
Figure 6-2
“ARM 1”, “ARM 2”, and “Deck Pivot” cylinders are
connected directly to the tractor's remote duplex outlets
as shown and are controlled by the tractor operator. See
on page 22 for assembly and
set-up instructions. See Figure 6-6 on page 48 for
hydraulic plumbing of the deck motor.
24633
Important: Locate and Remove
1/2" Shipping Bolt Before
Connecting Hydraulic Hoses.
Содержание RCP2660
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