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Section 1: Assembly & Set-up
RCB5715 & RCBM5715 Rotary Cutter 337-046M
7/8/20
27
Hydraulic Hook-up
The required number of duplex outlets on the tractor is
dependent upon how the cutter is set-up. The standard
cutter is equipped with five hydraulic cylinders with three
for lifting the cutter and one on each wing for folding the
wings simultaneously. The wings can be set up with
single-action (one-way) or dual-action (two-way)
operation.
Each duplex outlet on your tractor can perform just one
operation. One outlet is needed for lifting the cutter and
one for folding the wings simultaneously. Two outlets are
needed to fold the wings independently. It is highly
recommended to connect the wing fold hose (single-
action) or hoses (dual-action) to a duplex outlet with float
capabilities. Use float capabilities when in field operation.
Refer to Figure 1-20:
•
The black handled hose is connected to the lift
cylinders.
•
The red handled hose is connected to both wing folding
cylinders for simultaneous wing folding or connected to
the right hand wing cylinder when folding wings
independently.
•
The yellow handled hose is connected to the left wing
folding cylinder when folding wings independently.
•
When setup for dual-action fold, the handles have
directional arrows to identify which hose extends the
cylinder and which hose retracts the cylinder.
Hydraulic Hose Hand Grips
Figure 1-20
Hand Grips with Cylinder Extension Symbol
Hand Grips with Cylinder Retraction Symbol
Handle Color
Operation
Black Handle:
Engages lift cylinder to raise
Red Handle:
Simultaneous fold/Right wing fold
Yellow Handle:
Left wing fold
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Hydraulic Hook-up
Figure 1-21
WARNING
!
To prevent serious injury or death:
Hydraulic fluid under high pressure can penetrate the skin
and/or eyes causing a serious injury. Wear protective gloves
and safety glasses or goggles when working with hydraulic
systems. Use a piece of cardboard or wood rather than hands
when searching for leaks. A doctor familiar with this type of
injury must treat the injury within a few hours or gangrene
Refer to Figure 1-21:
1. Route hydraulic hoses (#1) through hose support
loop (#2) and attach couplers to the tractor remote
outlets. If tractor has a float option on one of the
outlets, connect wing lift hose to that outlet and set
tractor control lever for that outlet in float position
before cutting.
2. Apply spiraled hose wrap (#3) to hydraulic hoses (#1)
as needed to keep hoses from becoming pinch while
raising and lowering the decks, folding and unfolding
the wings, and while making turns with the tractor.
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