Grizzly G0490W, Owner'S Manual

Page: 51 / 64

Model G0490W/G0490XW (Mfd. Since 5/16)
-49-
Figure 87. Motor mounting fasteners location.
Tensioning Belt
1. DISCONNECT MACHINE FROM POWER!
2. Remove cabinet rear access panel.
3. Loosen motor bracket fasteners shown in
Figure 87.
4. Press down on motor to keep tension on belt.
5. Press belt with moderate pressure in cen-
ter to check belt tension. Belt is correctly
tensioned when there is approximately
1
⁄
4
"
deflection when pushed, as shown in
Figure
88.
To ensure optimum power transmission from the
motor to the cutterhead, the belt must be in good
condition (free from cracks, fraying and wear) and
properly tensioned. After the first 16 hours of belt
life, re-tension the belt, as it will stretch and seat
during this time.
Tool Needed Qty
Wrenches or Sockets 13mm ............................. 2
Motor Pulley
Approximately
1
/
4
" Deflection
Cutterhead Pulley
Figure 88. Correct belt deflection when properly
tensioned.
Replacing/
Tensioning Belt
Replacing Belt
1. DISCONNECT MACHINE FROM POWER!
2. Remove cabinet rear access panel.
3. Loosen motor bracket fasteners shown in
Figure 87.
4. Have another person lift motor as you remove
belt and replace it with a new one. It may help
to use a 2x4 as a lever to raise motor. Make
sure ribs of belt are seated in pulley grooves.
5. Follow Steps 4–5 in Tensioning Belt proce-
dure to set correct belt tension.
6. Tighten motor bracket fasteners (see Figure
87) and replace cabinet rear access panel.
— If there is more than
1
⁄
4
" deflection when
you check belt tension, repeat the tension-
ing procedure until it is correct.
6. Tighten motor bracket fasteners (see Figure
87) and replace cabinet rear access panel.
Motor
Bracket
Fasteners