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45 Hamelacha, Poleg industrial zone, Netanya, Israel.
Zip: 4250574, PO Box: 8306
DO-15-01-12
BalanceTutor service manual 211102.doc
6.3.5 Case 5 - Constant noises during front motor running
Indication
Constant noise heard each cycle of the front motor pulley, with or without
load.
Reason for error/fault Unwanted pressures apply between front pulley shafts and there holding
bearings. Can appear after assembly.
Corrective actions
Release tensions between pulley shafts and its bearing.
1.
Remove the following
covers only
Hex key #3
2.
Release two screws
located on each
bearing
Hex key #2.5
3.
Turn ON the system and let the front motor run on maximal speed for 5 seconds.
4.
Tighten back the two
screws located on each
bearing
Hex key #2.5
5.
Turn ON the front motor in different speeds, confirm noise disappeared and assemble all covers
with reverse order.
Attention service handling with heavy and moving parts components. Service with power
off and disconnection from main. Risk damaging fingers.
