MacDon 873 Combine Adapter - Manual (Page 80)

Form # 147069 Issue 09/06 78
Adapter Mounting Instructions
for Lexion Combines
COMBINE TO HEADER CONNECTIONS – RIGHT SIDE
SYMPTOM PROBLEM SOLUTION REF.
Reel will not lift but hydraulic
lines from combine flex
when up/down button is
pressed.
Multi-Link connector not
threaded on completely
or too loose.
Tighten multi-link connector.
Pressure and return
improperly connected.
Correct hydraulic hose
connections: The multi-block
port closest to the hanger
hook connects to the “T”
port on valve block.
Reel speed shows 0.0 in
cab.
Reel speed sensor not
picking up on sprocket.
Set sensor as follows: Turn
sensor in until it touches a
sprocket tooth, then back it
off 3/4 of a turn. If sensor is
unable to touch sprocket,
bend bracket as required.
Reel speed sensor is
improperly wired.
Plug wiring harness from
reel sensors into the middle
port of the three ports in the
multi-block. See below
Unable to manually change
reel speed, but getting a reel
speed read-out in the cab.
Fuse blown in combine. Check fuses carefully.
Fuse in combine continues
to blow when changing reel
speed or height
A wire is grounding out. Inspect header sensors and
complete wiring harness
Disassemble multi-block
and inspect internal wires.
Check wiring in combine.
AUTO REEL SPEED/HEIGHT AND
AUTO CONTOUR PORT CONNECTIONS