Dnepr MT9 - Generator F414 Operation and Repair

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battery or 0.5 A current in the case of 3MT -6, until intensive gas-
sing takes place in all the cells, at constant specific gravity of the
€ lectrolyte and cons tant voltage in all the cells, within two hours .
Unserviceable storage batteries should be repaired and new bat-
teries charged at specia li zed maintenance shops, the charging to be
ca rried out in full comp liance with the instructions supplied with
the batteries.
2. GENERATOR f414
Specifications
The MT9 motor cycles are provided with a d.c. shunt excitation
generator, the diagram of which is presented in Fig. 35.
Type .
Rated voltage, V .
Full output
cu rrent, A .
Direction of armature rotation (if viewed from th e drive
r414
6
10
side) . . . . . . . . . ri ght-hand
Rotative speed of armature, ensuring a voltage of 6.5 V
at an ambient tempe ratur e of 20 ° C. r.p.m.:
at zero load . 1350
at full lo ad (I 0 A) . . . 1950
Idle current (wtth the generator operating as a motor), A 6
Polarity of the frame . . . . . . . . minus
Generator Winding Data
\Vire
Winding·on .
Number of turns
Number
of layers
Insulation
Field Coil
Output terminals arc 11Wrk0d: "fl" and "l1/" .
Gen erato r Armature
Wire
Number of turns in the section
Number of wires in the slot
Number of sections
Number of slots
Number of commutator
sheets
Slot
pitch
Commutator sheet pitch
:o pper. enamelled, grade
n3 JI. s iz e 0. 74 mm
counterclockwise
300
24
half-overlapping, one la y-
er of taffeta tape
0.25 X
X IS mm
copper. insulation:
two
layers of high-strength
enamel, grade D3B-2,
size 1.16 mm
5
20
2
I-I
2tl
1-7
1- 2
103