MacDon 742 HAY CONDITIONER - Manual (Page 85)

Form # 46290 Issue 09/05 83
TROUBLESHOOTING
SYMPTOM
PROBLEM SOLUTION REF.
REEL (continued)
Wrapping on reel end
(continued)
Reel not centered in
header.
Center reel in header. 74
Reel releases crop too
quickly. Finger pitch not
aggressive enough.
Increase finger pitch
aggressiveness. 35
Reel too far forward. Move reel back. 34
Reel will not lift. Reel lift couplers are
incompatible.
Change quick coupler. ---
Reel will not turn. Control set at 0. Activate reel speed control. *
Quick couplers not
properly connected.
Connect couplers. *
Final drive chain
disconnected.
Connect chain. 74
Reel motion is uneven or
stalls in heavy crop. Reel speed too fast. Reduce reel speed. 33
Reel fingers not
aggressive enough.
Move to a more aggressive
finger pitch notch. 35
Reel too low. Raise reel. 33
Relief valve on
windrower or combine
(not on combine adapter)
has low relief pressure
setting.
Increase relief pressure to
2000 psi. *
Low oil reservoir level on
windrower or combine.
(NOTE: Sometimes more
than one reservoir.)
Fill to proper level. *
Relief valve malfunction. Replace relief valve. -
Cutting tough crops with
high-speed (17 tooth)
reel drive sprocket.
Replace with high torque
(11 tooth) reel drive
sprocket. 33
Premature failure of cam
arm bearings. Cam arms bent, causing
bearing misalignment.
Straighten cam arms to set
bearings parallel. -
HEADER
Header lift insufficient.
Low relief pressure. Increase relief pressure. *
* See your Windrower or Combine Operator's Manual.