Grizzly G0911 Owner's Manual page 64

4. Remove (2) cap screws on left belt mount-
ing bracket securing X-axis synchronous
belt, then remove bracket from belt (see
Figure 81).
Left Belt Mounting
Bracket (Between Belt)
Cap Screw
(1 of 2)
Figure 81. X-axis left belt tensioner bracket
location.
5. Remove belt from idler pulleys on both sides
of gantry, then remove belt from machine
(see Figure 82).
Left X-Axis
Idler Pulley
X-Axis Synchronous Belt
Right X-Axis
Idler Pulley
X-Axis Synchronous Belt
Figure 82. Left and right X-axis idler pulley
locations.
-62-
6.
Laser Head
Assembly
Synchronous
Figure 83. Synchronous belt meshing with idler
7.
8.
9.
Y-Axis Belt Replacement
1.
2.
3.
Install replacement synchronous belt through
left and right idler pulleys and verify belt
meshes with pulley teeth (see Figure 83).
Idler
Pulley
Belt
pulley teeth.
Insert right belt mounting bracket between
right belt loop and install bracket using (2)
cap screws removed in Step 3 on Page 61.
Insert left belt mounting bracket between left
belt loop and install bracket using (2) cap
screws removed in Step 4.
Verify correct X-axis synchronous belt
deflection (see X-Axis Belt Adjustment on
Page 59).
DISCONNECT MACHINE FROM POWER!
Open top loading door and center laser head
assembly over table.
Open left or right upper side access door
depending on which belt needs to be replaced.
Note: Y-axis synchronous belt components
are the same on left and right sides.
Model G0911–G0914 (Mfd. Since 05/21)
Idler
Pulley
Teeth