Dnepr MT9 - Ignition System Devices

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4
5
Basic characteri stics 0
c 5
:J E
Regulated voltage within the gene- V
rator rotor speed range from 2500
7000
r.p.m., at rectified cu.:-rent of
4 A and at +20°C t emperat ur e of
the cur rent-a. nd-voltage r eg ulator
and e nvironment, must differ from
the voltage measur ed according to
step 2
Permissible deviation of reg ulated V
vo ltage from that measured accord- •
1
ing to step 2, with rectified current
changing from the minimum value
of charge current to 8 A at genera- I
tor roto.~ speed of 3500 r.p. m. .
Numerka l
values
Not great-
er than
+0.8
Not great-
er than
+0.4
Not great-
er than
-0.6
Continued
Remarks
At load current
equal to the mi-
nimum charge
current (2.5 A or
less), at load cur-
rent equal to 8 A
Not e. The parameters listed in Table 14 are subject to improvement on th e
basis of data accumulated in service.
6. IGNITION SYSTEM DEVICES
On the motorcycle "Dnepr" MT9, provision is made for using
two versions of the ignition system.
Version 1
The ignition system (Fig. 43) consists of:
breaker with ignition advance automatic device;
two-tap ignition coil;
spark plugs;
suppressor resistors.
Specifications for the Breaker and Ignition Advance Automatic
Device
Type
Breaker point gap, mm
Shaft speed ensuring uninterrupted spa rking at a standardized three-
electrode needle discharger, at a length of spark gaps a! one electrode
equal to 7 mm and at the other- to 0.5 mm , r.p.m.
Capacitance, ~J.f
Direction of rotation (from the side of automatic device)
Maximum ignition advance as to the angle of ca mshaft rotation, deg
t'l 1958.
ITM302
0.4
to 0.6
from 100
to 3000
0.13
left-hand
16
11:3
'
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