Spark Plug Fixture View; Wiring - Text Set-Up - Diagram - Piper Navajo Chieftain PA-31-350 Service Manual

0.125 DIA
1010-1020 STEEL ROD
EXTERNAL
TEST
CIRCUIT
MOMENTARY
SWITCH BATTERY
INTERNAL
TEST
CIRCUIT
NAVAJO CHIEFTAIN SERVICE MANUAL
C697
1 50
10
75
03125 DIA ROD 0 50 LONG
1010 1020 STEEL ROD
DRILL AND TAP FOR 4-40 SCREW
LOCATE 1 4 IN EITHER END
SCREW MACHINE RD HD
AN OR MS 4-40 - 1 4 IN LONG
TYPE II SPARK PLUG
INSTALLED IN FIXTURE
1 IN HEX SA.E 1 112 SCREW STOCK
0640 DIA DRILL CHAMFER 45 x 1 16
NEAR END ONLY
THREAD 18MM - 1 5MM
PITCH
S A E SPARK PLUG STANDARD
SOLDER
NOTE ALL DIMENSIONS
ARE IN INCHES
* - DENOTES SILVER SOLDER
Figure 13-9 Spark Plug Fixture
FILTER
RESISTOR
TOTAL RESISTANCE A TO B MUST NOT
EXCEED
0.3 OHMS.
Figure 13-10. Wiring - Text Set-up
Revised: 10/15/82
4B22
HEATING AND
VENTILATING SYSTEM
4B22