General Baler Difficulties
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Gate opens while baling.
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Tractor selector control valve (SCV) leaking oil into baler.
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Repair or replace as necessary. (See your John Deere dealer.)
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Internal leak in baler hydraulic system.
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Repair or replace as necessary. (See your John Deere dealer.)
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Baling oversize bales.
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Check bale size alarm for proper operation (See ADJUSTING BALE SIZE SWITCH in Service-Baler section.)
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Gate closes on belts.
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PTO not engaged at rated speed when closing gate.
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Operate PTO at rated speed during gate closing cycle to avoid pinching belts.
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Belts do not track properly.
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Lower rear gate roll out of adjustment.
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Adjust roll. (See ADJUSTING BELT TRACKING in Service-Baler section.)
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Belts not correct length.
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Correct belt length. (See REPAIRING BELTS in Service-Baler section.)
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Belts not cut square when splicing.
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Resplice belt. (See REPAIRING BELTS in Service-Baler section.)
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Twine or mud buildup on baler rolls.
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Remove buildup.
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Belts not routed correctly.
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See belt routing diagram and reroute. (See INSTALLING BELTS in Service-Baler section.)
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Bad bearing on roll.
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Rotate all rolls by hand and inspect for loose bearings, etc. Repair or replace as necessary. (See your John Deere dealer.)
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AG,OUMX005,1344 -19-19MAR00-1/7
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| Symptom |
Problem |
Solution |
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Diamond surfaces on bale forming belts are rubbing together.
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Belt tension arm not fully down.
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Lower tension arm with tractor hydraulic lever.
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Crop or mud buildup on rolls.
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Clean rolls.
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Belts too short.
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Repair belts. (See REPAIRING BELTS in Service-Baler section.)
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Belts not routed properly.
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See belt routing diagram and reroute. (See INSTALLING BELTS in Service-Baler section.)
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Belts slipping or not turning.
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Belt tension arm not returning all the way down to tension belts.
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Check to see that tension arm tightens belts.
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Gate not closed or rear gate closed but top idler arm in not down.
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Hold tractor hydraulic SCV lever until belts turn.
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Water dripping off belts and rollers.
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Avoid baling in rain or frosted crop.
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Belts too long.
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Check belts for proper length. (See REPAIRING BELTS in Service-Baler section.)
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Excessive wrappage of net material around top idler roll pinches belt against top baler frame tube.
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Remove wrappage around starter roll.
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Nuts on spring rods holding tension arm up too high to tension belts.
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Check for clearance between lower nut and trunnions. (See ADJUSTING TAKE-UP ARM COMPRESSION SPRING in Service-Baler section.)
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Belts pinch between axle and lower gate roll.
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Belts not turning while lowering gate.
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Engage tractor PTO while lowering gate.
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AG,OUMX005,1344 -19-19MAR00-2/7
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| Symptom |
Problem |
Solution |
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Starter roll wraps with hay.
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Regular Pickup; Pickup drive idler not adjusted properly or pickup belt damaged.
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Adjust idler or replace belt, if necessary. (See ADJUSTING PICKUP BELT IDLER in Service-Baler section.)
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MEGATOOTH™ or Wide (456/456S) Pickup; Slip clutch worn.
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Replace slip clutch. (See your John Deere dealer.)
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Wide Pickup (456/456S); Main drive slip clutch slipping.
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Adjust main drive chain. (See ADJUSTING PICKUP DRIVE CHAINS [WIDE PICKUP-456/456S] in Service-Baler section.)
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456 and 556; Install starter roll scraper. (See Attachments section.)
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Adjust starter roll scraper (if equipped). (See ADJUSTING STARTER ROLL SCRAPER in Service-Baler section.)
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Windrow wet on bottom.
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Turn windrow. (See BALING WET HAY in Operating the Baler section.)
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Ground speed and rpm too high when starting bale.
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Reduce rpm until bale core has formed.
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Gate not closed or rear gate closed but top idler arm in not down.
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Hold tractor hydraulic SCV lever until belts turn.
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Windrow too large.
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Decrease windrow size.
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Material pinched under pickup crop divider, tire, or gauge wheels (if equipped).
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Start bale with windrow centered on pickup. Gathering wheels may help for scattered windrows.
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Nicks, rough spots on starter roll.
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Smooth with file.
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456 and 556; Damp hay.
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Install high-moisture kit. (See Attachments section.)
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AG,OUMX005,1344 -19-19MAR00-3/7
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| Symptom |
Problem |
Solution |
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Belt lacing failure.
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Belts are not the same length.
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Repair belts. (See REPAIRING BELTS in Service-Baler section.)
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Belts not tracking correctly.
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Adjust belt tracking. (See procedure in Service-Baler section.)
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456 and 556; Extended usage causing crushed rubber and wearing hooks thin at the splice pin.
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Replace lacing pins when plastic coating is worn through. (See REPAIRING BELTS in Service-Baler section.)
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Making oversized bales.
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Check maximum bale size adjustment. (See ADJUSTING BALE SWITCH in Service-Baler section.)
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Belts not routed correctly.
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Route belts correctly. (See INSTALLING BELTS in Service-Baler section.)
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Material wrapping on rolls.
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Remove material from rolls.
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Belt splice pins break.
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Excessive wear on pins.
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456 and 556; Check pins for wear and breakage every 1000 bales (500 bales in sandy conditions). Replace pins if plastic covering is worn or as necessary.
456S; Check pins for wear or breakage every 2000 bales (every 1000 bales in sandy conditions). Replace pins if broken, or if more than one-third of pin thickness is worn through.
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456 and 556; Improper belt splice hooks or poor quality splice.
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See REPAIRING BELTS in Service-Baler section.
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Incorrect belt length can cause excessive load on shorter belts.
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See REPAIRING BELTS in Service-Baler section.
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AG,OUMX005,1344 -19-19MAR00-4/7
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| Symptom |
Problem |
Solution |
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Gate not fully closed.
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Obstruction between gate and frame.
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Remove obstruction.
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Hay buildup on belts in gate area in some crop conditions.
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Remove buildup. Operate PTO while closing gate.
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Hay buildup due to misrouting of hydraulic pickup lift hoses.
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Route hoses correctly.
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Bale sticks in chamber.
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Paint on sidesheets of new baler.
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Make several bales out of dry hay to polish sidesheets. Do not crowd ends so finished bale has soft ends.
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456 and 556; Bale sticks in front frame due to damp crop.
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Install High-Moisture kit. (See Attachments section.)
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Excessive sidesheet friction caused by "gummy" buildup on sidesheets.
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Remove buildup. Be sure gate deflectors (if equipped) are installed in gate.
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Bale when hay is drier.
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Damage to belt diamond pattern. Belts cut or broken.
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Material buildup on compressor rack causing belts to contact starter roll.
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See BALING SHORT, DRY, SLICK CROPS in Operating the Baler section.
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Foreign objects in windrow (rocks, sticks, etc.).
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Operate with pickup high as possible. (See ADJUSTING PICKUP HEIGHT in Operating the Baler section.)
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Remove foreign objects from windrow.
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Wrappage on lower drive roll forcing belt into starter roll.
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Remove wrappage.
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456 and 556; Install High-Moisture Kit. (See Attachments section.)
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Bale forming belts contacting each other.
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See "Diamond surfaces on bale forming belts are rubbing together" in this section.
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AG,OUMX005,1344 -19-19MAR00-5/7
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| Symptom |
Problem |
Solution |
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Belt edges fuzzy.
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Normal break-in.
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After break-in period, the fuzziness will stop.
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Trim loose ends.
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Excessive PTO driveline shear bolt breakage.
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Engaging tractor PTO too fast.
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Reduce tractor rpm while engaging PTO.
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Engage tractor PTO slowly.
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Leave PTO on while ejecting bale.
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Wrong size or grade of shear bolt.
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Replace with recommended shear bolt. (See REPLACING MAIN DRIVE SHEAR BOLT in Service-Baler section.)
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Hay wrapped on starter roll.
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Remove hay.
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456 and 556; High power due to sidesheet friction.
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Add gate deflectors. (See Attachments section.)
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Ends of staggered belt roll wrap with hay.
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Damp hay.
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456 and 556; Install high-moisture kit. (See Attachments section.)
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456S; Remove hay.
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Belts turn over or cross.
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Closing gate with PTO engaged and strong winds prevailing and/or side hill operation.
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Under these conditions, disengage PTO before opening gate and engage PTO just before gate closes to avoid pinching belts.
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Operating baler empty with gate up and no tension on belts for extended period.
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Do not operate in this manner for extended time.
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Driving too long on one side of windrow at bale start. Hay pushes out between belts.
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Center pickup on windrow at bale start.
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AG,OUMX005,1344 -19-19MAR00-6/7
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| Symptom |
Problem |
Solution |
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New belts track back and forth on rolls.
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Wax from belts builds up on rolls.
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Use oil dry granules or talcum powder to polish rolls.
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Belts not correct length.
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Belt lengths need to be within 38 mm (1.5 in.) of each other. (See REPAIRING BELTS in Service-Baler section.)
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Bad fabric or construction of belt.
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Repair or replace belt. (See REPAIRING BELTS in Service-Baler section.)
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Bale size alarm activated with tractor switch off.
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Moisture and/or crop buildup near switch causes current flow.
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Provide power through tractor ignition switch.
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Bale size alarm is faintly audible continuously while baling.
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Moisture and/or crop buildup near switch causes current flow.
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Clean bale size switch terminal area. Apply silicon sealer to switch terminals.
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Bale size alarm cannot be heard or is too loud.
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Shutter on alarm may be closed or open too far.
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Adjust shutter to control volume. (See ADJUSTING AUDIBLE BALE SIZE ALARM VOLUME in Operating the Baler section.)
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AG,OUMX005,1344 -19-19MAR00-7/7
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