Revision G04 July 2018
Hydraulic and brake hoses
Operation Colour
Guillotine door Red & yellow
Feed out tray Blue
BaleBlend creel Green
Brakes White
Beetgrid Black
Table 1: Hydraulic and brake hoses
Note:
A: The design life of hydraulic hoses is subject to the level of wear and tear/
usage and also factors like harsh climate. It is recommended that they be
reviewed periodically (yearly) and typically replaced after ten years of operation
if necessary.
B: The maximum oil pressure of the hydraulic system is 3000 psi.
C: If there is a valve chest t to the MechFiber machine, it is very important to
connect the valve chest hydraulic feed and return pipes correctly. The return
pipe is not designed to take the hydraulic pressure normally seen in the valve
chest feed pipe, and so seals and/or the valve chest itself may be damaged
if oil ows in the wrong direction through the chest. Typically the hydraulic
return pipe on the valve chest is t with a one-way ow valve to prevent oil
being fed to the valve chest in the wrong direction. This is identiable as a steel
connection on the end of the pipe with an arrow stamped on its side to indicate
the direction of oil ow through it. Oil ows into the valve chest through holes
marked P (Pressure) and out through holes marked T (Tank), see Figure 5 below.
(The valve chest is set up for open centre hydraulics. If the tractor has an
alternative hydraulic system (other than open centre) then contact should be
made with the tractor agent. To alter to closed centre hydraulics, there is a plug
that can be tted to the spool valve block and is available from KEENAN Service
on request.)
Figure 5: Valve Chest
14
T
P
Revision G04 July 2018
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