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Service Bulletin #RL0536-06
Technical Service Bulletin
Date: October 25, 2002
Product Model: RL500/550/800/850
Serial Range: IRL03010000 and later
Part Number: MSB0065B – Mowing Unit
Countries Affected: All
Mowing Motor Replacement (MSB0065B)
A new mowing motor, part number (MSB0065B) was introduced in 2003. The wire harness at
the motor end is now soldered to the terminals for better rigidity. When replacing the mowing
motor of all S/N units it will be necessary to remove the cowling first in order to disconnect the
motor wires from the main board. Then remove from the blade motor from the base with
special tool TOL0001A. See Figure 1.
IMPORTANT - It is also necessary to remove the metal motor shield from the original motor and
place it on the new motor prior to installation. See Figure 2.
Inventory of the MSB0065A, which does not have soldered leads, may be used for
IRL02340100 units and older until depleted and does not require removal of the cowling.
Step 1 Step 2 Step 3
Fi
ure 1
Metal shield must be removed
from motor and placed on new
motor prior to installation.
Fi
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