MacDon A40-D - Manual (Page 46)

SECTION 6 OPERATION
169000 / 169040
44
Revision E
6.6.3 Configure Reverser Valve Jumper
Hose
An optional reverser valve block to reverse the
header drive in the event of plugging, may have
been installed on M150, M155, and M200
windrowers. A jumper hose on this valve block
has a specific routing for each model of auger
header. Check routing of the jumper hose as
follows, and change as required:
a. Move LH windrower platform to open position to
expose hydraulic valve blocks.
IMPORTANT
If a reverser valve block (A) has been
installed, the jumper hose (B) must be
routed as shown opposite. Do not
operate the headers unless hose is
routed as shown.
b. To route hose (B) from A40-D position to
A30-S position:
1. Disconnect jumper hose (B) at header drive
valve block port C2 fitting.
2. Rotate 90 ° fitting (C) under reverser valve
block (A) so that it points aft.
3. Remove cap from 90 ° fitting in port R4 on
top of reverser block.
4. Connect jumper hose (B) onto 90
° fitting in
port R4.
5. Install cap removed in step 3. onto port C2
fitting.
(continued next page)
B R4
A
C
HOSE (B) POSITION - A30-S
M150 SHOWN - M155, M200 SIMILAR
A
B
HOSE (B) POSITION - A40-D
M200 SHOWN - M150, M155 SIMILAR
B
A
C2
B
C
A