Troy-Bilt Model 554 User Manual

NOTE: To aid in reassembly, note the orientation of the drive belt 

on the two idler pulleys and the engine flywheel pulley prior to 

performing the following steps. Refer to Fig. 7-1.

The edger drive belt is subject to wear and should be replaced if 

any signs of cracking, shredding or rotting are present. To replace 

the belt, proceed as follows:

Working in front of the edger, loosen the flange lock nut 

on top of frame, allowing the idler pulley assembly to pivot 

slightly out from the frame. See Fig. 7-1.
With your other hand, carefully reach under the rear of 

the edger and remove the belt from around the engine 

flywheel pulley. See Fig. 7-1.

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2.

Remove the spindle sheaves belt guard by removing the 

two self-tapping screws which secure it to the blade plate 

assembly. See Fig. 7-2.

Carefully remove the belt from off of the pulleys, again 

making sure to note the orientation of the belt. Discard the 

belt. See Fig. 7-2.
5. Working from the front of the edger, place the belt 

onto the spindle sheaves, route it back onto the two idler 

pulleys, and then place it onto the engine flywheel pulley.
NOTE: Make certain that the “V” side of the belt is seated 

into the top pulley and the flat side of the belt is seated 

into the bottom pulley. See Fig. 7-2.
Reinstall the spindle sheaves belt guard with the self 

tapping screws removed earlier.
Make certain that the drive belt is on the engine flywheel 

pulley and idler pulleys, and retighten the flange lock nut 

on the top of the frame.
NOTE: Make certain that the drive belt is seated correctly 

and that it is riding smoothly on the spindle sheaves and is 

not pinched between them. Repeat the first three steps if 

the belt is pinched.

Never operate the edger without the 

spindle sheaves belt guard in place.

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