August 26, 1960
Bulletin No. SB-719
Revised
SUBJECT: COIL INDEX AND CONDENSER CAPACITIES.
Listed are the coil index setting numbers and condenser capacities required when
testing currently serviced Johnson magnetos with the Stevens Magneto Analyzer.
H.P. ENGINE MODEL NO. COILS CONDENSERS
PART SWITCH INDEX PART NO. CAPACITY
NO. SETTING NO. MFDS
2.5 HD-25 375189 A 24 300153 .150-.205
2.5 HS & HD-26 580118 A 24 580321* .18-.22
3 JW-10 thru JW-16 580118 A 24 580321* .18-.22
5 TD-20 375189 A 24 300153 .150-.205
5 TN & TNL-25 & 26 375189 A 24 300153 .150-.205
5 TN & TNL-27 & 28 580118 A 24 580321* .18-.22
5.5 CD-10 thru CDL-17 580118 A 24 580321* .18-.22
7.5 AD-10 thru ADL-12 580118 A 24 580321* .18-.22
10 QD-10 thru QDL-11 580040 B 23 300153 .150-.205
10 QD-12 thru QDL-21S 580118 A 24 580321* .18-.22
15 FD thru FDEL-10,10L & 10S 580118 A 24 580321* .18-.22
16 SD & SDL-15 & 20 375102 B 16 300153 .150-.205
18 FD thru FDEL-11,11K & 12;
FD & FDL-13 thru 14B 580197 A 22 580321* .18-.22
22 PO & POL-15 72-852 A 10 72-864 .27-.33
25 RD & RDL-10 thru 17S;
RDE thru RDEL-16 thru 17S 580118 A 24 580321* .18-.22
30 RD & RDEL thru RJEL-18
thru 18C 580197 A 22 580321* .18-.22
35 RD & RDEL thru RJEL-19 &19M;
RD thru RDEL-19C;
RDS thru RDSL-20;
RD thru RDSL-21 & 21B 580197 A 22 580321* .18-.22
40 RD thru RDSL-22 & 22C 580197 A 22 580321* .18-.22
50 V4 thru V4SL-10 thru 11B 580243 B 20 580256 .37-.41
75 V4S & V4SL-12 & 12S 580243 B 20 580256 .37-.41
* For Service, 580321 supersedes 510173.
Capacity for the 510173 condenser is
the same as for 580321 - .18 to .22
microfarads.
JOHNSON MOTORS
W. W. DeWees
W. W. DeWees
Service Department
WWD:eb
NOTE: Post on your miscellaneous index.
Destroy Service Bulletin #SB-719 dated June 16, 1959.