MacDon R85 Rotary Disc 13 Foot User Manual
Page 117
TROUBLESHOOTING
169454
115
Revision C
SYMPTOM
PROBLEM
SOLUTION
SECTION
Machine Pulling To One Side.
Header dragging on one end,
and pulling to that side.
Adjust header float on both
ends.
6.12.1
Low tire pressure on one side.
Check and correct tire
pressure (30 psi [207 kPa]).
7.9.3
Breakage Of Conditioner
Drive Belt.
Improper belt tension.
Adjust conditioner drive belt
tension.
7.6.5
Belt not in proper groove in
pulley.
Move belt to proper groove.
7.6.5.1
Belt pulleys and idlers
misaligned.
Align pulleys and idler.
See
MacDon
Dealer.
Foreign object between rolls.
Disengage header, and stop
engine.
When all moving parts are
completely stopped, remove
foreign object.
6.15
Discs Do Not Turn When
Engaging Header.
Mud on cutterbar.
Remove mud from cutterbar.
Do NOT allow mud to dry on
cutterbar.
Hoses not connected.
Connect hoses.
6.4.3
Header Slows When Going
Uphill.
Hydraulic oil level in reservoir is
low.
Install header drive
performance improvement
kit.
9.7
Add oil to reservoir.
7.7.1
Header Runs While Unloaded
But Slows Or Stops When
Starting To Cut.
Hydraulic oil level in reservoir is
low.
Add oil to reservoir.
Defective hydraulic motor.
Repair/replace hydraulic
motor.
See
MacDon
Dealer.
Defective pump on mower
conditioner.
Repair/replace pump.
Defective relief valve.
Repair/replace relief valve.
PTO slipping on tractor.
Repair tractor PTO system.
---
Cold oil in hydraulic drive
system.
Reduce ground speed until
oil reaches operating
temperature.
---
Lights Malfunctioning.
Improper ground connection.
Check for proper grounding
between light base and
header.
7.8
Defective bulb.
Replace bulb.
Poor connection.
Check connector at tractor.
6.4.4