214603
397
Revision A
1015725
A
B
C
Figure 5.200: Multifunction Control Manifold
3.
Locate valve (A) that controls the reel drop rate,
installed at port D on the manifold.
NOTE:
This valve is installed on draper-ready windrowers and
only affects draper headers.
4.
Loosen setscrew (B), then refer to the following options:
•
Turn cap (C) clockwise to decrease the drop rate.
•
Turn cap (C) counterclockwise to increase the
drop rate.
5.
Check the drop rate and adjust as required.
6.
Tighten setscrew (B).
NOTE:
To reset to factory specifications, fully close the needle
valve and open it four turns counterclockwise.
7.
Close the platform. Refer to
.
5.10.6
Traction Drive Hydraulics
The windrower transmission consists of two variable-displacement axial-piston hydraulic pumps
—
one for each
drive wheel.
The pumps are driven through a gearbox from the engine. Each pump requires charge flow in order to
•
Make up for internal leakage
•
Maintain positive pressure in the main circuit
•
Provide flow for cooling
•
Replace any leakage losses from external valving or auxiliary systems
The charge pressure is monitored. The cab display module (CDM) sounds a tone and displays a flashing warning if
charge pressure drops below 1725 kPa (250 psi). Refer to
Display Warnings and Alarms, page 87
Checking Transmission Oil Pressure
IMPORTANT:
Rated charge pressure MUST be maintained under all conditions of operation to prevent damage to
the transmission.
If the TRANS OIL PRESSURE warning is displayed, shut down the engine, and proceed as follows:
1.
Check the hydraulic fluid level in the tank. Refer to
5.10.1 Checking and Filling Hydraulic Oil, page 385
2.
Check the hoses and lines for leakage.
3.
Check the charge pressure relief valve. Refer to
Checking Charge Pump Pressure, page 398
.
4.
If charge pressure still cannot be maintained, do
NOT
operate the windrower. Contact your MacDon Dealer.
Содержание M205
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