Header &Reel Hydraulics - MacDon M150 2008 Operator's Manual

7.13.5 Header &Reel Hydraulics
7.13.5.1 Pressure Compensator Valve
The pressure compensator valve is pre-set to be
sufficient for all header sizes and options. See
table below.
When the system
approaches the compensator valve setting, a
warning tone sounds on the CDM, indicating a
potential overload on the header drive.
operation continues, and the pressure reaches
the setting, the compensator valve is activated.
TRACTOR HEADER MODEL
MODEL
M150 D60 & A40D
M150 D60 & A40D
M150 R80
M200 R80
M200 D60 & A40D
M200 D60 & A40D
7.13.5.2 Flow Control Block
Two hydraulic valve
cartridges are used for the various windrower
functions and are controlled by the Windrower
Control Module (WCM) according to the inputs
Form # 169017
MAINTENANCE/SERVICE
operating pressure
If
APPLICATION/SYSTEM
Reel/Draper Pressure
Knife/Conditioner Pressure
Disc Pressure
Disc Pressure
Reel/Draper Pressure
Knife/Conditioner Pressure
blocks with multiple
186
The header drive will begin to slow down to
avoid overheating the drive pumps. Reduce the
ground speed to maintain the correct system
load and header drive operation.
NOTE
The warning tone is normal when the
operating pressure is very close to the
compensator valve pressure setting.
If lift and drive capacity problems develop, the
pressure compensator
adjusting. Contact your Windrower Dealer or
refer to the Technical Service Manual for your
Windrower.
SUGGESTED OVERLOAD
WARNING SETTING
psi (kPa)
3000 (20684)
4000 (27579)
4000 (27579)
4300 (29647)
3000 (20684)
4300 (29647)
from the operator. The valve blocks are located
behind the left cab-forward side platform.
The valve blocks do not require any scheduled
maintenance other than to check for leaking
fittings or loose electrical connections. If service
is required, contact your Windrower Dealer or
refer to the Technical Service Manual for your
Windrower.
valve may require
TRACTOR PRESSURE
COMP SETTING
psi (kPa)
3200 (22063)
4200 (28958)
4200 (28958)
4500 (31026)
3200 (22063)
4500 (31026)
Issue – June 2008