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Parts Manual Massey Ferguson TE-20 tractor download

Summary — what you’re doing and why
You are removing and replacing the rubber/metal engine mounts that fasten the engine to the TE‑20 frame. Those mounts position the engine, carry the engine weight and torque loads, and isolate engine vibration from the chassis. When mounts fail (rubber rotten, crushed, torn, bolts loose, broken bracket) you get excess vibration, misalignment of driveline/PTO, cracked pipes/manifold, broken sheetmetal or fasteners, and premature wear on other components. Replacing the mounts restores proper support and alignment.

How the mounting system works (simple theory, with analogies)
- Components and their function:
- Engine bracket (welded to the engine block or cylinder head flank): the “receiving cup” bolted to the engine.
- Frame bracket (welded or bolted to the tractor frame): the “support” attached to the chassis.
- Mount body (steel housing): holds the rubber bushing and connects engine bracket to frame bracket.
- Rubber bushing (elastomer insert): isolates vibration and allows small movement; absorbs shock.
- Inner sleeve/bolt: passes through the rubber bushing; is the load path for bolt tension and shear.
- Washers/nuts/lock washers (or nyloc nuts): retain the bolts and prevent loosening.
- Spacers/shims (occasionally used): set correct engine height and alignment.

Analogy: the mount is like an egg in a soft foam cradle. The metal parts are the egg and the cradle frame; the rubber bushing is the foam that cushions shocks and keeps the egg centered. If the foam rots, the egg rattles and may crack things around it.

Why the repair is needed
- Rubber degrades with age, oil, heat and ozone: cracks, collapses or separates from metal.
- Bolts can stretch, shear, or strip.
- Brackets can bend or crack under heavy loads or repeated shock.
- Failed mounts let the engine move excessively, causing vibration, misalignment, driveline and exhaust damage, and safety hazards.

Tools & supplies (get these before you start)
- Tools:
- Jack (floor jack) with a wide saddle and wood block for load distribution — or an engine hoist. Never rely on a single jack alone.
- Jack stands or heavy blocking (rated for the load).
- Basic hand tools: sockets and ratchet set (metric and/or imperial size sockets appropriate to TE‑20 fasteners), combination wrenches, breaker bar.
- Torque wrench (important for final tightening).
- Pry bar (short, stout).
- Hammer and drift or seal driver for pressing bushings if needed.
- Wire brush, penetrating oil (e.g., PB Blaster), anti-seize compound.
- Safety equipment: gloves, eye protection, steel‑toe footwear.
- Replacement parts: correct TE‑20 engine mount(s) (complete mount assemblies are simplest), replacement bolts/nuts/lock washers if originals are corroded.
- Clean rags and a small container for bolts.

- Parts:
- OEM or aftermarket TE‑20 engine mount assemblies or bushings + sleeves.
- Any shims or spacers specified by manual.
- Optional: new engine-to-mount bolts if threads are worn; anti‑seize.

Safety first (read and follow)
- Park on a level surface, set parking brake, chock rear wheels.
- Disconnect the battery (prevent accidental cranking while working).
- Use an engine hoist or a properly rated jack with a wide wood block under the oil pan or crossmember — support the engine independently before removing mounts.
- Use jack stands to support the tractor if you raise the frame or front; do not rely solely on jacks.
- Keep hands and tools clear of pinch points; have a helper when lifting/moving heavy parts.
- If you must place load under the oil pan, use a wood block to spread load and avoid denting/puncturing pan. Prefer hoist under lifting points if available.

Step‑by‑step procedure (detailed)
Note: TE‑20 layout may have two side mounts and a rear/central mount. Treat each mount similarly. Replace one at a time unless you have an engine hoist; replacing all simultaneously requires secure independent engine support.

1) Preparation
- Chock wheels, put tractor in neutral, parking brake on.
- Disconnect negative battery cable.
- Clean around mounts with a wire brush to expose fasteners. Apply penetrating oil to mount bolts and studs; allow soak time.
- Position a floor jack (with a 2–3" thick block of hardwood on the pad) under the oil pan or engine crossmember. If you have an engine hoist, use it to lift and hold the engine slightly.

2) Support the engine
- Slowly take up engine weight on the jack until the engine is just bearing on jack (light preload) — just enough to relieve mount bolt tension, not lift engine off other supports.
- Place safety stands or blocks under the frame if you will be removing multiple mounts. Never let the engine be supported only by the jack when people are working under it.

3) Remove fasteners and mount
- Loosen but don’t completely remove the bolts holding the mount to the frame and the bolts holding the mount to the engine bracket. On TE‑20 these are usually through bolts with nuts and washers; remove nuts with appropriate socket/wrench. If bolt heads are rusted, use penetrating oil and careful heat if necessary (torch with care — do not heat directly near fuel).
- Support the mount by hand as you remove the last nut; the engine may shift slightly.
- Remove the mount assembly. Note orientation: which side faces engine/frame and any spacers used. Take photos or mark parts/positions for reassembly.

4) Inspect mating surfaces and brackets
- Clean the engine and frame bracket faces. Remove rust, old gasket goop, and paint chips so new mount sits flat.
- Inspect engine bracket and frame bracket for cracks or bending. If brackets are cracked, repair (weld) or replace before installing new mount.
- Check bolt threads in block and frame: if threads are damaged, re‑tap or use helicoil as needed.

5) Prepare new mount and hardware
- If replacing only bushings, press old bushing out and press new bushing in; ensure inner sleeve is correctly seated. Many small tractor mounts are easiest replaced as a full assembly.
- Apply a light film of anti‑seize or clean engine oil to the inner sleeve to help installation; do not lubricate mating faces in a way that will cause slippage once tightened.
- Replace any badly corroded bolts/nuts with new grade-equivalent hardware.

6) Install new mount
- Position the mount into the engine bracket and loosely fit bolts/nuts finger‑tight so everything can be aligned.
- Lower the jack slowly so the engine takes its normal weight on the new mount, ensuring proper seating of the rubber bushing.
- With the engine in normal position and the mount seated, tighten the engine-to-mount and mount-to-frame bolts evenly, alternating sides so the mount compresses evenly.

7) Final torqueing
- Tighten to manufacturer torque specifications from the TE‑20 service manual if available. If you don’t have the manual, use reasonable torque appropriate to bolt size and grade:
- 3/8" bolts ≈ 25–40 ft‑lb (30–55 N·m)
- 7/16" bolts ≈ 45–60 ft‑lb (60–80 N·m)
- 1/2" bolts ≈ 70–90 ft‑lb (95–120 N·m)
- Use a torque wrench and tighten nuts in small increments to final spec. Do not over‑compress the rubber; you want the rubber under preload but not crushed flat.

8) Recheck everything
- Reinstall any components removed for access (exhaust brackets, pipes, wiring).
- Reconnect battery.
- Start engine and watch for abnormal movement/vibrations. With engine running at idle and at a few higher RPMs, look for excessive movement or contact between engine and frame.
- After 1–2 hours of operation (or after a short test drive), recheck mount torque — nuts can seat and loosen slightly.

Common problems during the repair and how to avoid them
- Engine drops or slips off support: always use a secondary support (hoist or jack stands) and never be under an engine supported only by a single jack.
- Bolt head rounds or threads strip: free up rust with penetrating oil and gentle heat; use correct socket size and breaker bar; replace damaged bolts rather than forcing them.
- Rubber bushing too tight or crushed: do not overtighten; tighten gradually to spec. If a bushing is pre-compressed, it may transmit more vibration.
- Misalignment causing driveline or PTO vibration: verify engine height and orientation; use shims if necessary; replacing all mounts at once is recommended if several are worn.
- Damaged oil pan from jack: always use a hardwood block under the pan and place the jack at a reinforced lifting point; avoid using thin metal saddles that concentrate load.
- Broken brackets: if you find a cracked frame or engine bracket, repair (weld properly) before installing new mounts; a new mount on a weak bracket will fail quickly.

Troubleshooting after replacement
- If vibration increases: check that rubber is not hardened or too stiff; check torque and that no bolts are loose; verify other mounts weren’t overlooked.
- If engine sits too high/low: compare to original orientation; use shims between mount and frame or replace with correct part. Check alignment of PTO/shaft couplings.
- If noise or clunk when shifting/letting off throttle: likely a loose bolt or a cracked mount bracket.

Maintenance tips
- Inspect mounts annually or whenever you notice vibration or unusual noises. Look for cracks in rubber, metal corrosion, and loose hardware.
- Keep engine oil leaks cleaned up — oil degrades rubber quickly.
- When replacing mounts, replace fasteners if corroded. Also consider renewing other mounts if one is bad and the others are old.

Final notes
- If you are unsure of exact bolt sizes or torque specs for your TE‑20, consult a TE‑20 service manual or parts manual for the exact hardware and torque figures. The manual also shows mount locations and part numbers.
- If you are not comfortable supporting an engine or if brackets are cracked and require welding, get help from a qualified mechanic.

You now have the full theory, component descriptions, safety steps, tools, and a practical step‑by‑step procedure to remove and replace the TE‑20 engine mounts. Follow safety guidance closely and consult the service manual for exact torque/part numbers.
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