MacDon R113 Operator's Manual page 201

Symptom
Cutterbar discs do not turn
when engaging header
Header slows when
going uphill
Header runs while
unloaded, but slows or
stops when starting to cut
214077
TROUBLESHOOTING
Problem
Faulty header drive 90-
degree gearbox
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
Check gearbox.
Add oil to windrower
reservoir.
Repair/replace
hydraulic motor.
Repair/replace pump.
Repair/replace
relief valve.
Reduce ground speed
until oil reaches operating
temperature.
189
Refer to
•
4.6 Header Drive 90-
Degree Gearbox, page
156
•
4.6.1 Checking and
Adding Lubricant, page
156
Refer to windrower
operator's manual
See MacDon Dealer
—
Revision A