Jonker Sailplanes JS3 RES - Page 62

JS-MD 3 RES Maintenance Manual
Supplement
MD11-AMM-00-002
Issue: 00
Rev. 00
Rev. Date: 23-May-22
Page 4-38
7
Rear fastening bolt
8
Cooling fan
9
Controller cooling fan plate
10
Grommet
11
D-sub connectors
12
Box top
13
Box bottom
14
High voltage ring terminals
Figure 4-17 Motor controller assembly
4.11.1.2.1 Removal of the motor controller assembly from the fuselage
1. Ensure the master switch of the system is switched off.
2. Remove the B5 Cover (2) by unscrewing the four bolts located in the corners of the
cover.
3. Undo the Bug wiper connector back plate (3) by loosening its two fastening bolts.
4. The battery cable can be pulled through the grommet and the B5 Cover (2) is
completely removed.
5. Remove the four D-sub connectors (11) located on the right side of the motor
controller assembly.
6. Remove the Motor controller box cover (1).
7. Loosen the three Cable glands (6) to ensure they are not clamping the wires anymore.
8. Remove the Ground bolt (5).
Figure 4-18 Motor controller assembly top view
9. Loosen the five bolts retaining the High voltage ring terminals (14) and remove the
high voltage wires from the box.
14