Troy-bilt TB280 ES User Manual download pdf (Page 18)

Service

Blade

Adapter

Bolt

Blade Bell

Support

WARNING: An unbalanced blade will cause

excessive vibration when rotating at high speeds. It

may cause damage to mower and could break

causing personal injury.

Lubricate the engine crankshaft and the inner surface of 5.

the blade adapter with light oil. Slide the blade adapter



such that the side of the blade marked “Bottom” (or with

part number) faces the ground when the mower is in the

operating position. Make sure that the blade is aligned and





blade bell support with small holes in blade.

7.



To ensure safe operation of your mower, periodically check the

blade bolt for correct torque.

Belt Care

NOTE: Several components must be removed in order to change



belt replaced.

Blade Care

WARNING: When removing the cutting blade for

sharpening or replacement, protect your hands with

a pair of heavy gloves or use a heavy rag to hold the

blade.



strike a foreign object. Replace when necessary. Follow the steps

below for blade service.

Disconnect spark plug boot from spark plug. Turn mower 

on its side making sure that the air filter and the carburetor

are facing up.

Remove the bolt and the blade bell support which hold the 2.

blade and the blade adapter to the engine crankshaft. See



Remove blade and adapter from the crankshaft. See Fig. 3.



Remove blade from the adapter for testing balance. 

Balance the blade on a round shaft screwdriver to check.

Remove metal from the heavy side until it balances evenly.

When sharpening the blade, follow the original angle of

grind. Grind each cutting edge equally to keep the blade

balanced.

Figure 7-1

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Troy-bilt TB280 ES User Manual Page 18

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