MacDon 9200 - Header Hydraulics; Header Drive

SYMPTOM
Header Hydraulics
Header or reel not
lifting.
Header or
reel lifts but
lacks power.
Reel and/or conveyor
not turning.
Reel and / Of conveyor
turns but lacks power.
Reel and/or conveyor
fluctuat
es under load
(940 & 960 Headers)
Header Drive
Sickle drive not
engaging.
* See your Windrower dealer
TROUBLE SHOOTING
PROBLEM
Contaminant in r elief
valve .
Appropriate solenoids
not being energized
by
activating switch.
Relief pressure too low ,
or contaminant in relief
valve.
Header drive switch not
engaged .
Flow controls tumed
down
too low.
Contaminant in reli ef
valve.
Appropriate solenoid on
flow control block not
being energized.
Relief pressure too low,
or contaminant
in relief
valve.
Flow controller knobs
positioned incorrectly.
Head er drive switch in
cab not engaged.
Tensioning cylinder
front pivot bolt
too tight,
prev
enti ng idler bracket
from rotating
up to
switch.
Rear iower belt support
pivot too tight,
preventing cylinder from
contacting switch at
front.
126
SOWDON
aean relief valve at
cylinder control valve .
Check electrical
connections; repair or
replace soIenoid(s}.
Check/ adjust/ clean
relief valve at cylinder
control valve.
Engage switch.
Tum flow control clock-
wise to Increase flow.
Oean rel ief valve at flow
control block.
Check electrical
connections; repa ir or
replace solenoid.
Check/adjust/ clean
relief
valve at flow
control block.
Position re~ and
conveyor control knobs
so that sum of knob
position readings does
not exceed
16 .
Engage switch.
Adjust locknuts to allow
free mov eme nt of
cylinder
ram on bolt.
Adjust locknuts to allow
free movement of
support
on pivot bolt.
REF.
86
*
86
21
21
88
*
88
)
21
21
92