MacDon R85 - Page 200

214366 183 Revision A
Symptom
Problem
Solution Refer to
Excessive wear of cutting
components
Crop residue and dirt
deposits on cutterbar
Clean cutterbar.
—
Excessive wear of cutting
components
Mud on cutterbar
Remove mud from
cutterbar: do not allow
mud to dry on cutterbar.
—
Breakage of conditioner
drive belt
Improper belt tension
Adjust conditioner drive
belt tension.
5.4.2 Conditioner Drive
Belt, page 159
Breakage of conditioner
drive belt
Belt not in proper groove
in pulley
Move belt to proper
groove.
Breakage of conditioner
drive belt
Foreign object between
rolls
Disengage header and
stop the engine. When all
moving parts are
completely stopped,
remove foreign object.
—
Breakage of conditioner
drive belt
Belt pulleys and idlers
misaligned
Align pulleys and idler.
See MacDon Dealer
Discs don’t turn when
engaging header
Mud on cutterbar
Remove mud from
cutterbar: do not allow
mud to dry on cutterbar.
—
Discs don’t turn when
engaging header
Faulty drive belt
Check belt on pulleys.
5.4.2 Conditioner Drive
Belt, page 159
Discs don’t turn when
engaging header
Hoses not connected
Connect hoses.
3.7 Attaching the Header,
page 41
Header slows when going
uphill
Hydraulic oil level in
windrower is low
Add oil to windrower
reservoir.
Refer to windrower
operator’s manual
Header runs while
unloaded but slows or
stops when starting to cut
Hydraulic oil level in
windrower is low
Add oil to windrower
reservoir.
Refer to windrower
operator’s manual
Header runs while
unloaded but slows or
stops when starting to cut
Defective hydraulic motor
Repair/replace hydraulic
motor.
See MacDon Dealer
Header runs while
unloaded but slows or
stops when starting to cut
Defective hydraulic pump
in windrower
Repair/replace pump. See MacDon Dealer
Header runs while
unloaded but slows or
stops when starting to cut
Defective relief valve in
windrower
Repair/replace relief
valve.
See MacDon Dealer
Header runs while
unloaded but slows or
stops when starting to cut
Cold oil in hydraulic drive
system
Reduce ground speed
until oil reaches operating
temperature.
4.9 Ground Speed, page
101
TROUBLESHOOTING