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BA 5030 en 02/2013
This speedmonitoring device is an absolute must for safety reasons since in case of
a defect in the overrunning system the auxiliary drive can be destroyed with explosive
effect due to overspeeds.
Colour codes for ventilating, oil inlet, oil level and oil drainage:
Airrelief point: yellow
Oildraining point: white
Oilfilling point: yellow Lubrication point: red
Oil level: red
6
5
159
13
3
14
18
10
4
2
6
17
6
1
18
16
7
8
B3.H / T3.H ≤ 12
Fig. 33: Gear unit fitted with auxiliary drive of types B3.H / T3.H
12
5
16
9
13
14
18
10
4
2
15
6
117
18
11
6
7
8
3
6
B3.H ≥ 13
Fig. 34: Gear unit fitted with auxiliary drive of type B3.H
1 Main gear unit 10 Gearunit fastening
2 Lifting eyes 11 Alignment surfaces
3 Shaft seals 12 Alignment thread
4 Oil dipstick 13 Auxiliary gear unit
5 Housing ventilation 14 Electric motor
6 Oildrain plug 15 Overrunning clutch
7 Fan cowl 16 Backstop
8 Fan 17 Speedmonitoring device
9 Inspection and/or assembly cover 18 Oilfiller plug