MacDon R85 Operator's Manual page 159

Symptom
Excessive wear of cutting
components
Machine pulling to one
side
Breakage of conditioner
drive belt
Disc does not turn when
engaging header
Header slows when going
uphill
Header runs while
unloaded, but slows
or stops when starting to
cut
169455
TROUBLESHOOTING
Problem
Header angle too steep
Crop residue and dirt
deposits on cutterbar
Mud on cutterbar
Header dragging on one
end and pulling to that
side
Belt not in proper groove
in pulley
Foreign object between
rolls
Belt pulleys and idlers
misaligned
Mud on cutterbar
Hoses not connected
Faulty drive belt
Poor electrical connection
at pump solenoid
Hydraulic oil level in
windrower is low
Defective hydraulic motor
Defective hydraulic pump
in windrower
Defective relief valve in
windrower
Cold oil in hydraulic drive
system
Solution
Reduce header angle
Clean cutterbar
Remove mud from
cutterbar. Do NOT allow
mud to dry on cutterbar.
Adjust header flotation on
both ends
Move belt to proper groove
Disengage header and
stop engine. When
all moving parts are
completely stopped,
remove foreign object.
Align pulleys and idler
Remove mud from
cutterbar. Do NOT allow
mud to dry on cutterbar.
Connect hoses
Check drive belt pulleys
Check connection at
windrower
Add oil to windrower
reservoir
Repair/replace hydraulic
motor
Repair/replace pump
Repair/replace relief valve
Reduce ground speed
until oil reaches operating
temperature
151
Section
6.6 Header Angle, page
79
—
6.1.1 Adjusting Header
Float, page 68
Replacing the Conditioner
Drive Belt, page 140
—
See MacDon Dealer
—
5.7 Attaching the Header,
page 39
Inspecting the Conditioner
Drive Belt, page 138
See windrower operator's
manual
See MacDon Dealer
6.9 Ground Speed, page
82
Rev. E