Troy-Bilt 769-03253 - Manuel (Page 18)

1
6
Maintaining
Your Snow
Thrower
WARNING
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind of
maintenance on your
machine.
9. Place a block of wood underneath the auger housing
as shown in Figure 29 and separate auger housing
from the frame by tilting the housing forward and
pulling up the handles.
10. a. Using a 1/2” wrench, remove the hex screw and
washer from the center of the pulley on the auger
housing. See Figure 30.
b. Lift the brake bracket assembly out of the pulley
groove
c. Remove the pulley.
11. Remove and replace auger belt inside belt keepers.
12. Apply Loctite 262 to the threads of the hex screw
used for mounting the auger pulley.
13. Reassemble pulley to auger housing with hex screw
and washer. Torque hex screw 250-325 in. lbs.
NOTE: Make sure the brake puck is seated in the pulley
groove.
If also replacing the drive belt, proceed to the “Drive Belt”
instruction. If not, reassemble by performing the previous
steps in the opposite order and manner of removal.
Proper Adjustment: With the auger clutch lever in the
disengaged position, the top surface of the new belt
should be even with the outside diameter of the pulley.
1. To adjust, disconnect ferrule from brake bracket as-
sembly and thread ferrule in (towards idler) to increase
tension on belt, and out to decrease tension.
NOTE: The brake puck must always be firmly seated in
the pulley groove when auger control is disengaged.
Drive Belt
1. Pull the idler pulley away from the backside of the
drive belt to relieve the tension and slide the drive belt
off the idler pulley. See Figure 31.
2. Remove the belt from the bottom drive pulley and the
engine pulley.
Figure 9
Figure 31
1
2
3
Figure 
Figure 30
A
C
B
3. Install the new belt on the pulleys in the reverse order
and re-tension with the idler pulley.
Reassemble your unit by performing the previous steps in
the opposite order.
IMPORTANT
Refer to the Final
Adjustment section of
the Set-Up instructions
after replacing drive
and auger belts.