Troy-Bilt 830 Benutzerhandbuch

use a heavy rag to hold blade.
1.  Disconnect spark plug wire from spark plug. Turn 

mower on its side making sure that the air filter and 
the carburetor are up.

2.  Remove bolt, blade bell support, blade, and adapter 

from the engine crankshaft. See Figure 5-3.

NOTE: When removing the blade, adapter, etc., be care-
ful not to remove or misplace parts above it associated 
with the engine pulley.

3.  The blade can be sharpened with a file or on a grind-

ing wheel. Do not attempt to sharpen the blade while 
it is still on the mower. When sharpening blade, follow 
original angle of grind. Grind cutting edges equally to 
keep blade balanced. 

4.  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. 

5.  Lubricate the engine crankshaft and the inner surface 

of the blade adapter with light oil. Slide the blade 
adapter onto the engine crankshaft. Place the blade 
on the 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 
blade is aligned and seated on blade adapter flanges.

6.  Place blade bell support on the blade. Align notches 

on the blade bell support with small holes in blade.
Replace hex bolt and tighten hex bolt to torque: 450 
in. lbs. min., 600 in. lbs. max.

To ensure safe operation of your mower, periodically 
check the blade bolt for correct torque.

1.  Disconnect the spark plug wire and ground it against 

the engine.

2.  Drain the fuel tank or place a piece of plastic beneath 

the cap to prevent gasoline leakage. 

3.  Tip mower on its side (air cleaner side of engine up).
4.  Remove blade, adapter, and related hardware as 

instructed under “Blade Care” above. See Figure 5-3.

5.  a. Remove the self-tapping screws that secures the 

engine baffle to the deck . See Figure 5-4. Remove 
engine baffle.

  b. Loosen self-tapping screw that secures deck baffle 

to the deck. See Figure 5-4.

Figure 5-3: Remove the bolt and blade bell support to access 
the blade and underside components.

6.  a. Working from the rear of the mower, carefully 

remove belt from transmission pulley.

  b. Once belt is off transmission pulley, push down on 

deck baffle to access engine pulley and slide belt 
off this pulley and out from under the deck. See 
Figure 5-5.

Figure 5-5: Remove belt from transmission and engine pulley. 

Figure 5-4: A. Remove the screws that hold the engine baffle 
onto the deck. B. Loosen the screw that holds deck baffle onto 
deck.