Gear Case Procedures; Gear Case Replacement - Friendly Robotics robomower RL350 Service Manual

J. Replace the defective mowing unit with a new one. Insert the mowing unit into its hole and
connect the wires to the main board.
NOTE: If a Thermistor is attached to the shield of the defective motor, remove the shield and
replace it on the new motor.
K. Use the special tool to tighten the motor.
L. Attach the mowing blade to the new mowing unit. Make sure both sides of the blade are
locked (clicked).
M. Return the cover as outlined in section 4.2.2.
N. Replace the cover as outlined in section 4.2.2.
O. Place the unit inside the simulated garden, as explained in section 5.1 and turn the Perimeter
Switch on.
P. Perform 'D.K Calibration' (section 5.3.4) under the 'Service' menu.
Q. Perform the 'Mowing motor test' outlined in section 5.4.5.
R. Complete the General Test as outlined in section 5.1.

4.2.6 Gear Case Procedures

4.2.6.1 Gear Case Replacement

Required tools: Wide flat screwdriver
External circlip pliers
NOTE: Read Service Bulletin #RL0536-02- Gear Case/ Frame Modification (Section 7.1)
before starting this procedure.
A. Remove the Power Pack from the Robomow.
B. Remove the drive wheels, as outlined in section 4.1.5.
C. Remove the cover, as outlined in section 4.2.1.
D. Disconnect the drive motor cables (4 cables: red, green, white and black) from the main board
and take them out of the twisted wire holders (See Figure 4.2.6.1.1)
E. Disconnect the right odometer cable (orange) and left odometer cable (yellow) from the
odometer boards. Remove both cables from their holders in the gear frame (See Figure
4.2.6.1.1).
F. Remove the rear-right wire sensor from its holder and the cable (purple) from its holders in the
gear frame (See Figure 4.2.6.1.1).
G. Remove the rear left wire sensor from its holder and the cable (gray) from its holders in the
gear frame (See Figure 4.2.6.1.1).
H. Disconnect the rear bumper cable (black & white or black & purple) from the connectors near
the rear-left wire sensor. Remove both cables from their holders in the gear frame Remove the
rear-right wire sensor from its holder and the cable (purple) from its holders in the gear frame
(See Figure 4.2.6.1.1).
I. Disconnect the Thermistors connector from the Main Board.
J. Disconnect the right mowing motor from the Main Board and remove the right mowing motor
shading.
Procedure duration: 30 minutes
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