New Holland Baler Knotters Service Manual PDF + 2 Free Manuals
New Holland Baler Knotters Service Manual — with 2 Free Bonus Manuals
After your operator's manual, this is the single best tool for repairing and keeping your New Holland baler tying. This 66-page factory service manual covers everything on the baler knotters — rebuilding, timing, adjustment, and troubleshooting — for both the standard knotter and the heavy-duty knotter, each in its own dedicated section. It's a true service manual: component-level teardown and repair of the bill hook, knife arm, twine disc, twine holder, and worm shaft, with the knotter stack dimensions and service charts you need to retime and rebuild to spec rather than by trial and error. Delivered as an instant PDF download you can read on any device or print for the bench.
Free Bonus Manuals — this manual comes with two complete free service manuals:
- New Holland Rectangular Balers Twisters Service Manual (~40 pages) — full teardown and rebuild of the wire twister assembly, including the 505 heavy-duty twister
- New Holland Rectangular Balers Main Drive Gearboxes, Feeder Drive Gearbox, Self-Propelled Baler Transmission and Rear Axle Service Manual (52 pages) — hypoid main drive gearbox overhaul with shim math, backlash, and preload specs
That's roughly 158 pages of factory service documentation covering the tying mechanisms and drivetrain — the two systems most likely to pull a working baler out of the field.
Covers the following models: 273, 275, 276, 277, 278, 282, 283, 286, 310, 311, 315, 316, 320, 326, 420, 425, 426, 430, 565, 570, 575, 1282, 1283, 1425, 1426.
Covers All Years and Serial Numbers — this manual covers the knotter assemblies by type (standard and heavy-duty), so it applies across model years rather than a single production year.
About the Knotter Assemblies
The knotter is the heart of a twine-tie baler — the mechanism that wraps, ties, and cuts the twine around each completed bale. This manual treats the standard knotter and the heavy-duty knotter as two separate systems, each with its own teardown and reassembly sequence, because the parts and procedures differ between them. The parts referenced throughout — bill hook, bill hook pinion, knife arm, bill hook cam, twine disc and disc cleaners, twine disc gear, worm shaft, and twine holder — are identified against figure illustrations so you can match what's on your machine to the page.
Knotter faults are among the most common reasons a working baler gets pulled out of the field, and correct timing and clearance are what separate a clean tie from a missed or slipped knot. Because so many of these balers remain in seasonal service, having the factory service sequence — with the exact stack dimensions and adjustment clearances — is what lets you retime and rebuild a knotter to spec.
What the Knotters Manual Covers
- Section 1 — Standard Knotters: Knotter parts identification, raising the left and right knotters, and the full teardown/rebuild sequence.
- Bill hook service: Bill hook removal, driving out the grooved pin, removing the bill hook pinion, reinstallation, and servicing the replaceable bill hook cam.
- Knife arm service: Knife arm removal, shim-washer end-play setting (1/16" or less), installation, and knife arm adjustment.
- Twine disc service: Twine disc and disc cleaner removal and installation, twine disc gear handling, and twine disc timing.
- Twine holder & tension: Twine holder tension-spring setting to the 1/16"–3/32" (1.6–2.4 mm) measurement.
- Worm shaft pinion replacement: Freeing the worm gear from the tapered worm shaft, removing and reinstalling the pinion and space washers.
- Knotter stack dimensions: The setting dimensions, including the 1/32" (0.8 mm) clearance callout.
- Knotter service charts: Problem/cause troubleshooting charts for diagnosing tying faults — one for each knotter type.
- Section 2 — Heavy-Duty Knotters: The parallel removal, twine holder, knotter frame assembly, space-washer setting, dimension checks, and heavy-duty service chart.
What the Free Bonus Manuals Cover
- Twisters manual: Complete removal, disassembly, and rebuild of the wire twister — pinion support, hook shafts, shuttle cam, wire shear clamp and clamp stacks, twist wrappers, wire guides, and twister clutch — plus the adjustments a rebuild depends on: clamp stack setting, 1/32" max pinion vertical play, and hook timing. Includes a dedicated assembly procedure for the 505 heavy-duty twister. If your baler is wire-tie rather than twine-tie, this is your knotter manual.
- Gearboxes manual: Overhaul of the hypoid main drive gearbox for 14×18 and 16×18 balers (matched ring gear and pinion, shim-factor pinion location, 0.005"–0.012" backlash window, bearing preload), the feeder drive gearbox for all models, and the self-propelled baler transmission and rear axle — with torque specs and lubricant callouts throughout.
Why This Bundle Matters
- Component-level repair, not just operation. These are workshop service manuals — teardown and rebuild of the knotters, twisters, and gearboxes, which is exactly what you need when a problem goes past routine adjustment.
- The specs the job depends on. Twine disc timing, knife arm end play, knotter stack dimensions, twister hook timing, gearbox shim math, backlash, and preload targets let you reassemble to spec rather than guess.
- Both tie systems, both knotter types. Standard and heavy-duty knotters for twine-tie balers, standard and 505 heavy-duty twisters for wire-tie balers — one bundle covers your machine either way.
- Troubleshooting built in. Knotter service charts trace a mistie to its cause before you start pulling parts.
- Scarce factory literature, restored. This documentation is increasingly hard to find — these searchable, restored PDFs put it back in your hands, at a lower price than anywhere else.
Manual Details
Pages: 66 (knotters) + ~40 (twisters) + 52 (gearboxes) — approx. 158 total
Make: New Holland
Manual Type: Service Manual (3-manual bundle)
Format: Instant PDF download — searchable and printable
Manual Code: