42
I-26/26R Incubator Shakers M1324-0050
User’s Guide
c. With a wrench, remove the nuts that hold the bearing housing to the bottom
weldment.
d. Position the counterweight so it is closest to you, and tie it in place with tie wraps
or strong cord,
in order to prevent it from dropping against your fingers or
causing you to lose your grip.
e. Remove the bearing housing with care: it weighs 47 lbs. / 21.3 kg.
Figure 16a: Removing the Drive Assembly
5. Turn the bearing housing over to access the belt, motor and pulley.
To replace the drive belt
, follow these steps
with reference to Figure 17 on the
following page
:
1. Loosen the four hex nuts that hold the motor assembly in place and remove the old belt.
2. Guide the belt onto the two pulley grooves.
3. Tighten the motor nuts.
4. Check the belt adjustment by applying finger pressure to the belt midway between the
two pulleys. The belt should deflect approximately 3/8-inch (9-10 mm).
5. If the deflection is not right, loosen the nuts, readjust the belt, then retighten the
motor nuts.
BOTTOM
WELDMENT
SUBPLATFORM
BEARING
HOUSING
