Troy-Bilt 753B - Manual (Page 21)

19
Section 5: Maintenance
BLADE DRIVE BELT
REPLACEMENT
Follow this procedure to remove and re-
place the blade drive belt. An assistant
will be needed.
To Remove Belt:
1. Stop engine, wait for all parts to
stop moving, and disconnect spark
plug wire.
2. Disengage blade drive control (Figure
5-7) by releasing all controls on the
mower.
3. Remove belt cover (see “Belt Cover
Removal”).
4. Loosen belt guides (B and C,
Figure 5-8).
5. Move flap bracket (N, Figure 5-8) out
of the way by loosening two screws (M).
6. Remove belt (A, Figure 5-8) from
around sheaves.
To Install Belt:
1. Route belt (A, Figure 5-8) around
sheaves as shown.
2. Have an assistant hold down
Operator Presence Control and then
push the Blade Drive Control forward
until it latches in place (Figure 5-7).
3. With the Blade Drive Control lever en-
gaged, adjust and tighten belt guide (B)
to 1/32 - 1/16" away from tensioned
belt. (Be sure that belt does not contact
belt guide when belt is under tension.)
Secure belt guide (C) rotated into posi-
tion as shown in Figure 5-8.
4. Disengage Blade Drive Control.
5. Re-tighten two screws (M, Figure
5-8) that secure flap bracket (N).
6. Reinstall belt cover securely.
Figure 5-7: Blade Drive Control.
RIGHT VIEW
Blade Drive Disengaged
Blade Drive Engaged
A
Figure 5-8: Blade drive.
B
J
C
I
H
G
K
L
A
X
M M
N
Before inspecting, cleaning or servicing the machine, shut off engine, wait for moving parts to stop, disconnect spark
plug wire and move wire away from spark plug. Remove ignition key (electric start models).
Failure to follow these instructions can result in serious personal injury or property damage.
WARNING