Net Wrap Difficulties

Bale not wrapped.

Monitor-controller not in NET mode.

Put monitor-controller selector switch on NET position.

Actuator disconnected.

Check actuator and/or wires.

Wrap material incorrectly threaded.

Rethread net. (See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.)

Gas springs installed in wrong hole on brake arm.

Install gas springs in hole closest to brake pivot. (See DECREASING BRAKE BAR TENSION in Service-Net Wrap section.)

Net wrap material wrapped around rubber feed rolls.

Remove material from rollers. (See CORRECTING NET WRAP FEEDING PROBLEMS in Service-Net Wrap section.)

Material wrapped on baler top idler roll.

Check for mud or sticky crop on belts and rolls. Clean if necessary.

Make sure all belt pin ends are pointed toward back side of belt toward rolls, so the net wrap does not catch on bent ends of pins.

Check for cut or damaged belt surface. Trim loose belt edges, repair, or replace. (See REPAIR BELTS in Service-Baler section.)

Net wrap material not started between rubber feed rolls.

Rethread net. (See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.)

Net wrap roll installed backwards.

Install roll correctly. (See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing the Baler for Net Wrap section.)

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Net wrap feed roll drive not engaged.

Check for broken, worn, or too long V-belt. (See CHECKING NET WRAP DRIVE IDLER ADJUSTMENT in Service-Net Wrap section.)

Check for binding at knife arm pivots and V-belt idler pivot.

Broken or weak spring on V-belt idler.

Replace spring.

Feed roll pressure set too low.

Adjust feed roll pressure. (See ADJUSTING NET WRAP FEED ROLL PRESSURE in Service-Net Wrap section.)

Roll of net wrap material larger than 305 mm (12 in.).

Use correct size roll of net wrap. (See your John Deere dealer.)

Net wrap supply roll empty.

Install new roll. (See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.)

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Net wrap material wrapped around rubber feed rolls.

IMPORTANT: Do not cut net wrap material from rubber feed rolls. Any knife cuts in the rubber roll covering may result in more frequent wrapping around the rollers and may require roller replacement. (See CORRECTING NET WRAP FEEDING PROBLEMS in Service-Net Wrap section.)

Static electricity or dampness causing net wrap material to cling to the rolls.

Dust the rubber drive rolls with talcum powder such as A51237, available from your John Deere dealer.

Dirt, rust, or roughness on pan surface.

Polish upper pan surface with SCOTCH-BRITE ® or ultra fine sandpaper. Polish marks must be parallel to movement of mesh. (Refer to USING NET WRAP AFTER EXTENDED STORAGE in Preparing Baler for Net Wrap section.)

Dust and/or moisture on surface of rubber rolls causing net wrap to stick to rolls.

Be sure tape across cover hinge joint at top of cover is intact. Replace if necessary. (See your John Deere dealer.)

Clean rolls. (See USING NET WRAP AFTER EXTENDED STORAGE in Preparing Baler for Net Wrap section.)

Dry off rolls if dew is present. Thread net wrap.

SCOTCH-BRITE is a registered trademark of the 3M Company.

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Lower net wrap guide not contacting belts.

Adjust guide. (See your John Deere dealer.)

Knife arm stop bolt not adjusted correctly.

Adjust. If knife is set too close to rubber flap, it may cause roll wrappage. (See ADJUSTING NET WRAP KNIFE ARM STOP in Service-Net Wrap section.)

Knife not holding the net wrap.

See ADJUSTING NET WRAP KNIFE ARM STOP in Service-Net Wrap section.

Feed roll pressure set too high.

Adjust feed roll pressure. (See ADJUSTING NET WRAP FEED ROLL PRESSURE in Service-Net Wrap section.)

Net wrap roll continues to turn after cutoff.

Increase brake bar tension. (See INCREASING NET WRAP BRAKE BAR TENSION in Service-Net Wrap section.)

Dust and/or moisture on surface of rubber rolls causing net wrap to stick to rolls.

Be sure tape across cover hinge joint at the top of the cover is intact. Replace if necessary.

Dry rolls off if dew is present. Thread net wrap.

Rubber roll damaged or sticky.

Clean by wiping with clean rag or soap and water. NEVER use solvents. Replace roller if damaged. (See you John Deere dealer.)

V-Belt idler out of adjustment.

Adjust idler. (See CHECKING NET WRAP DRIVE IDLER ADJUSTMENT in Service-Net Wrap section.)

Knife installed on top of knife arms or with bevel up, or bolts through knife upside down.

Position knife and attaching bolts correctly. (See REMOVING AND INSTALLING NET WRAP KNIFE in Service-Net Wrap section.)

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Roller scraper/guide damaged.

Replace. (See your John Deere dealer.)

Net wrap material sticky from adhesive used in packaging (tape, etc.).

Remove any sticky material from the supply roll by unrolling, cutting and discarding.

Net wrap material improperly routed, or too much of the end loop started through feed rolls when threading.

Route and thread net wrap correctly. (See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.)

Net wrap material wrapped around top idler roll. (No. 11)

Belts are muddy and sticky.

Clean belts.

Belts are full of burrs or thorns.

Clean belts.

Belt lacing pins are catching the net wrap material.

Make sure splices are smooth.

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Bale not wrapped. (STOP and NET WRAP indicators are displayed)

Net wrap fed to other areas of the machine:

Locate and remove net wrap material before making the next bale. Otherwise, improper belt tracking and further incorrect feeding may result, if material is not removed promptly and the cause is not corrected.

a) Starter roll wrappage.

Remove all burrs, weld splatters, rough spots, and imperfections on starter roll. Mud or sticky crop residue can cause occasional starter roll wrappage.

b) Baler drive roll wrappage.

Do not damage rubber strips when removing net wrap material.

c) Upper idler roll (No. 11) wrappage.

Remove wrappage from upper idler roll to prevent belt tracking problems. Also, see (e) below.

d) Net splitting.

See "Net wrap is split around bale or stays behind the pickup" in this section.

e) Net wrap caught in rough belt splices (net wrap is not transferred from belts to bale during wrapping cycle).

Make sure splices are smooth.

Inspect and repair broken or damaged belt splices.

f) Net wrap bunched behind lower belt guide on gate due to crop buildup.

Remove crop buildup from lower gate area. In some crops, reducing PTO rpm while baling will reduce buildup tendency. Ejecting bale with PTO running will reduce buildup in some conditions. (See BALING SHORT, DRY, SLICK CROPS in Operating the Baler section.)

For extreme crop conditions install Build-Up Reduction Scraper Kit. (See Attachments section.)

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g) Bale forming belts sticky from silage buildup.

Diamond pattern on belts must be dry. Bale silage at a lower moisture content.

h) Broken or damaged belt splices.

Repair belt splices.

i) Adjacent belts track toward each other causing belts to "pinch" and pull net wrap around rolls.

Adjust belt tracking or move belt to another location to improve belt tracking. (See ADJUSTING BELT TRACKING in Service-Baler section.)

Remove wrappage on baler rolls.

Clean net rolls of wrappage. (See USING NET WRAP AFTER EXTENDED STORAGE in Preparing Baler for Net Wrap section.)

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Bale not uniformly wrapped (cutoff signal does activate).

Buildup of crop, etc., behind lower belt guide on gate.

Clean out buildup. In some crops, reducing PTO rpm will reduce buildup tendency. Ejecting bale with PTO running will reduce buildup in some conditions.

Install Build-Up Reduction Scraper Kit. (See Attachments section.)

Insufficient number of wraps.

Make sure the net wrap supply roll has not run out.

Machine should be set to apply a minimum of two wraps. (See SETTING NUMBER OF NET WRAPS in Operating the Baler section.)

Belts not tracking properly.

See ADJUSTING BELT TRACKING in Service-Baler section.

Net wrap cover not closed.

Cover must be closed and latched for best bale coverage.

Net wrap supply roll is installed in box backwards.

See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.

Net wrap cover gas spring(s) weak.

Check springs on both sides of net wrap cover. Replace if necessary.

Roll support brackets damaged or out of adjustment.

See ADJUSTING NET WRAP ROLL SUPPORT BRACKETS in Service-Net Wrap section.

Polish surface scratches on stainless steel strips with fine crocus cloth or ultra fine sandpaper. Polish marks must be parallel to movement of mesh.

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Net wrap not routed under steel roll.

See THREADING NET WRAP AND ROUTING THROUGH ROLLS in Preparing Baler for Net Wrap section.

Roll of net wrap material too narrow.

See your John Deere dealer. Use only approved material for best results.

Net wrap partially on bale, partially on feed roll or baler roll.

See "Bale not wrapped (cutoff signal does activate)" in this section.

Bale has crop between layers of net wrap on the bale or loose crop is outside the net wrap on the bale.

Stop forward travel immediately when the full bale alarm sounds and the WRAPPING STARTED indicator goes on. Net wrap begins to feed at that time, and any crop picked up after this will be placed between the layers of net wrap or outside the wrapping.

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STOP and NET WRAP indicators are displayed on monitor-controller and alarm sounds when bale is wrapped correctly.

Knife edge is adjusted too close to rubber flap in cutoff position.

Adjust net wrap actuator stop bolt and knife arm stop. (See ADJUSTING NET WRAP KNIFE ARM STOP in Service-Net Wrap section.)

Net wrap material is not cut off cleanly.

Sharpen net wrap cutoff knife. (See SHARPENING NET WRAP CUTOFF KNIFE in Service-Net Wrap section.)

Adjust net wrap knife arm brake. (See CHECKING NET WRAP FEED ROLL BRAKE in Service-Net Wrap section.)

Tighten rubber roll pressure springs. (See ADJUSTING NET WRAP FEED ROLL PRESSURE in Service-Net Wrap section.)

Adjust gas springs to provide more pressure to knife arm brake. (See INCREASING NET WRAP BRAKE BAR TENSION in Service-Net Wrap section.)

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Net wrap not cut off at end of wrapping cycle (STOP and NET WRAP indicators are displayed on monitor-controller and alarm sounds).

Dull knife.

Sharpen knife with file. Knife must be very sharp for clean cutoff. (See SHARPENING NET WRAP CUTOFF KNIFE in Service-Net Wrap section.)

Brake on front rubber feed roll out of adjustment or worn.

Check and adjust brake. (See CHECKING NET WRAP FEED ROLL BRAKE in Service-Net Wrap section.)

Knife not returning to cutting position freely.

Check for proper lubrication and binding at knife arm pivots. See your John Deere dealer if binding occurs.

Check for voltage to net actuator. (See TESTING TWINE or NET ACTUATOR CURRENT [CHANNEL 14] in Service-Baler section.)

Net wrap cover open.

Cover must be closed for best cutoff.

Knife arm stop out of adjustment.

Adjust. (See ADJUSTING NET WRAP KNIFE ARM STOP in Service-Net Wrap section.)

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STOP and NET WRAP indicators are displayed on monitor-controller and alarm sounds after net wrap has cut off and bale has been wrapped correctly.

Cutoff channel will not return to home position because knife edge is holding net against the rubber flap.

Straighten bottom edge of front sheet.

Check cutoff indicator channel travel. (See procedure in Service-Net Wrap section.)

Check feed roll brake. (See CHECKING NET WRAP FEED ROLL BRAKE in Service-Net Wrap section.)

Binding at cutoff channel.

Check for cutoff channel travel. (See CHECKING CUTOFF INDICATOR CHANNEL TRAVEL in Service-Net Wrap section.)

Binding at microswitch arm.

Check for free movement. (See CHECKING CUTOFF INDICATOR CHANNEL TRAVEL in Service-Net Wrap section.)

Cutoff channel will not return to home position because long strings or patches of net extend from the knife to No. 8 gate roll.

Sharpen knife. (See SHARPENING NET WRAP CUTOFF KNIFE in Service-Net Wrap section.)

Check feed roll brake. (See CHECKING NET WRAP FEED ROLL BRAKE in Service-Net Wrap section.)

Net wrap switch needs adjustment.

Adjust correctly. (See ADJUSTING NET WRAP SWITCH in Service-Net Wrap section.)

Return spring on net wrap switch arm is missing or damaged.

Replace spring.

Microswitch failed.

Check net wrap switch. (See TESTING NET WRAP SWITCH [CHANNEL 10] in Service-Net Wrap section.)

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Wire connections unplugged, corroded, or dirty.

Inspect harness connections near the oversize bale switch, just ahead of the net wrap mechanism on right-hand side, and at the net wrap switch.

Net wrap loose around bale.

Too many wraps applied.

Normally no more than three wraps are needed. Excess wraps may appear to be loose.

V-belt idler out of adjustment.

Adjust. (See CHECKING NET WRAP DRIVE IDLER ADJUSTMENT in Service-Net Wrap section.)

Spring on V-belt drive weak or damaged.

Replace spring.

Weak gas spring(s).

Check spring(s) for proper force.

Gas springs installed in wrong hole in brake arm.

Install in correct hole. (See INCREASING NET WRAP BRAKE BAR TENSION in Service-Net Wrap section.)

Varying number of wraps from one bale to the next.

Varying PTO speed while wrapping from one bale to the next.

Maintain rated PTO speed while wrapping. If difficult crop conditions require varying PTO speed while baling, return to rated speed at the WRAPPING STARTED indication.

Bale size and shape not uniform.

Make bales uniform in shape.

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Net wrap is split around bale or stays behind the pickup.

Buildup of crop stems, etc., in lower gate belt guide area.

Remove buildup. In some crops, reducing PTO rpm will reduce buildup tendency. Ejecting bale with PTO running will reduce buildup in some conditions.

Install Build-Up Reduction Scraper Kit. (See Attachments section.)

Extremely stemmy crops causing splitting or snagging.

Use more wraps of net wrap material.

Too much clearance between lower guide crossbar and belt guide straps. (Belts track underneath belt guides and split net.)

Check for proper clearance. (See SERVICING LOWER FRONT GATE ROLL in Service-Net Wrap section.)

Insufficient clearance between lower guide crossbar and belt guide straps (Net contacts belt guides.)

Check for proper clearance. (See SERVICING LOWER FRONT GATE ROLL in Service-Net Wrap section.)

Belts not tracking correctly.

See ADJUSTING BELT TRACKING in Service-Baler section.

Material snagging on splices.

Make sure splices are smooth.

End or corner of guide channel(s) bent upward into baler belt(s).

Reshape damaged end or replace with new part.

Net wrap breaking due to excess tension.

Drive spring is stretched too far in drive position of brake arms.

Check idler position and adjust as necessary. (See CHECKING NET WRAP DRIVE IDLER ADJUSTMENT in Service-Net Wrap section.)

V-Belt too short.

Install correct size belt.

Not enough wraps of net.

Adjust for at least two full wraps.

Gas springs installed in wrong hole in brake arm.

Install in correct hole. (See DECREASING NET WRAP BRAKE BAR TENSION in Service-Net Wrap section.)

Cover does not stay open.

Weak gas spring(s).

Replace spring(s).

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Broken net wrap on bale, or large area of bale not covered by net wrap.

Brake bar applies excessive tension on roll and net wrap material.

Install gas springs in hole closest to brake pivot. (See DECREASING NET WRAP BRAKE BAR TENSION in Service-Net Wrap section.)

Net is not out to edge of bale.

Roll of net too narrow.

See your John Deere dealer. Use only approved material for best results.

Overfilling ends of bale producing an hourglass shaped bale. Confirm net is to ends of bale with bale in chamber. Net will move away from ends of bale after discharging bale.

Decrease windrow width, especially with wide pickup (if equipped).

Inadequate tension in the net.

Increase brake bar tension. (See INCREASING BRAKE BAR TENSION in Service-Net Wrap section.)

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