MacDon M2170 Operator's Manual page 269

7. Connect the header's hydraulic hoses to the windrower as
follows:
a. Connect disc pressure hose (A) to coupler (B) as shown.
b. Connect disc return hose (C) to coupler (D) as shown.
c. Connect case drain hose (E) to fitting (F), ensuring that
the connection is oriented so that the relief valve
points toward the ground.
NOTE:
Loosen and retighten fitting (F) as needed to ensure that the
relief valve is pointing straight down as shown.
8. For grass seed headers (GSS), connect the additional four
hoses supplied with the grass seed version of the header as
follows:
a. Remove the plug (not shown) from drive manifold port
R1. Install 45° fitting (A) in port R1. Connect hose (C)
(blue cable tie) to fitting (A).
NOTE:
The other end of hose (C) connects to the grass seed
module's drum on the right side of the header.
b. Remove the plug (not shown) from drive manifold port
CP2. Install 45° fitting (B) in port CP2. Connect hose (D)
(red cable tie) to fitting (B).
NOTE:
The other end of hose (D) connects to the grass seed
module's drum on the left side of the header.
c. Connect the hose (green cable tie) with female quick
coupler (E) to coupler (F) on the windrower.
d. Connect the hose (yellow cable tie) with male quick
coupler (G) to coupler (H) on the windrower.
262170
OPERATION
B
Figure 4.260: Hydraulics and Electrical – Rotary Disc
Configuration with Quick Couplers Installed
E D
Figure 4.261: Grass Seed Hydraulic Connections –
Rotary Disc Configuration
245
C
E
F
G
H
F
B
A
C
A
D
Revision A