WHEATON
®
Bench-Top Mini Bottle Roller Apparatus
10
WHEATON | 800.225.1437 (U.S. & Canada Only) | 856.825.1100 | www.wheaton.com | P/N 50075499 Rev. 10/2014 WMAN_026
MAINTENANCE
QUALIFIED SERVICE PERSONNEL ONLY
DANGER! NEVER ATTEMPT TO PERFORM REPAIRS IF THIS INSTRUMENT IS PLUGGED
IN! IN ORDER TO AVOID SERIOUS ELECTRIC SHOCK OR ELECTROCUTION, THIS
INSTRUMENT MUST BE DISCONNECTED FROM THE SOURCE OF AC POWER BEFORE
MAINTENANCE IS ATTEMPTED.
As with any piece of laboratory equipment, periodic inspection for worn and or damaged parts should be
performed on a regular basis in order to maintain optimum performance. How often is dependent upon
amount of usage, working environment, motor speed, etc. The maintenance interval is best determined
by the user.
MOTOR REPLACEMENT (refer to fig. A & B )
DANGER! BE CERTAIN UNIT IS DISCONNECTED FROM THE AC POWER SOURCE.
1. Unplug the unit from power source.
2. Loosen the Allen screw, which secures the shaft extender (25) to the output shaft of motor (26).
Remove shaft extender assembly along with drive belts (8) and set aside.
3. Remove the four screws (underneath unit) which secure the cabinet lid to the cabinet base. Remove
lid.
4. Noting their location, unplug wires from rear of motor.
5. Remove the four screws (12) and lock washers (13) that secure the motor to the cabinet base (18).
Remove motor.
6. Remove two screws that hold motor mounting plate (30) to the motor. Remove motor mounting plate
from the motor.
7. For re-assembly, reverse the above order using new motor. When replacing the four screws removed
in step 5, do not tighten until re-assembly has been completed. Drive belt tension is effected by
moving the four screws either up or down prior to tightening. Do not over tighten the drive belts.
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