Replacing Trimmer Belt
NOTE: Use only Generac belts. To order a replacement,
contact Generac Customer Service at 1-888-436-3722
(1-888-GENERAC), or www.generac.com.
1. Tip the machine back to allow access to the under-
side of the unit.
2. See
Figure
4-3. Remove trimmer cords (A) from
head assembly.
3. Remove four trimmer guard bolts and flat washers
(B) with a 3/8" wrench.
4. Remove trimmer guard (C).
Figure 4-3. Replacing Trimmer Belt (1 of 3)
5. See
Figure
4-4. Remove flat groove idler locknut
(D) using a 9/16" wrench. Loosen v groove idler
locknut (E) using a 9/16" wrench just enough so
washer plate (F) can be rotated out of the way.
6. Remove the flat Idler pulley and spacer behind the
washer plate.
7. Remove belt (G) from around the engine pulley (H)
and head assembly pulley.
NOTE: If necessary, remove engine belt guide (I) using a
9/16" wrench.
E
G
H
Figure 4-4. Replacing Trimmer Belt (2 of 3)
8. Install a new drive belt around the engine and head
assembly pulleys.
9. Install the engine belt guide if it was removed.
Owner's Manual for Trimmer/Mower™
A
B
C
005971
D
F
I
005972
Maintenance and Troubleshooting
10. See
Figure
4-5. Install the small spacer first, then
flat groove idler pulley (J) with belt (K) in the pulley
groove. Verify the belt is installed correctly
between the idler pulley (L), bracket tab (M), and
guide pin (N).
NOTE: The belt must be installed on the inside of guide
pin (L) for the trimmer head to function correctly.
M
L
B
Figure 4-5. Replacing Trimmer Belt (3 of 3)
11. See
Figure
4-4. Rotate washer plate (E) onto flat
groove idler stud (D) and install the locknut using a
9/16" wrench. Tighten both Idler locknut (C and D)
using a 9/16" wrench.
12. See
Figure
4-3. Position the trimmer guard (C) and
secure with the four bolts and flat washers (B)
using a 3/8" wrench.
13. Install the trimmer cord and tip the trimmer down
on the head assembly.
14. After installing the new belt, adjust the tension
properly by adjusting the in-line adjuster all the way
in. See
Adjusting Trimmer Head Belt Tension
more information. Proper tension will extend the
life of the belt.
NOTE: Before using the trimmer, engage the trimmer
head engage bar 10 times and hold it for three seconds
each time. This wears in the belt, ensuring the best grip
for trimming.
N
A
J
K
for
17