TM 5-3895-379-23-1
0032
MALFUNCTION
Engine Start Switch Faulty.
CORRECTIVE ACTION
1.
Push propel control lever forward (TM 5-3895-379-10) to prevent engine start-up.
2.
Touch positive (+) probe of multimeter to RELAY terminal (wire 306-GN) of engine start switch.
3.
Touch negative (-) probe of multimeter to good ground.
4.
Turn and hold engine start switch to START (full right) position (TM 5-3895-379-10) for not more
than 30 seconds.
5.
Measure voltage.
6.
Move positive (+) probe of multimeter to START terminal (wire 307-OR) of engine start switch.
7.
Measure voltage.
8.
Turn engine start switch to OFF position (TM 5-3895-379-10).
a.
If 24 to 28 VDC are not present at RELAY terminal (wire 306-GN), replace engine start
switch (WP 0166).
b.
If 24 to 28 VDC are not present at START terminal (wire 307-OR), replace engine start
switch (WP 0166).
c.
If 24 to 28 VDC are present at RELAY and START terminals, repair or replace wiring
(wire 103-YL or 307-OR) and connectors to engine start switch (WP 0195).
SHOULDER WASHER
SCREW
START
TERMINAL
WIRE
307-OR
BAT
VANDAL
TERMINAL
GUARD
WIRE
105-BR
OPERATOR
STATION
INSTRUMENT
RELAY
PANEL
WASHER
TERMINAL
INSTRUMENT
WIRE
SCREW
PANEL
306-GN
T0202SWR
Figure 13. Engine Start Switch Wiring.
END OF WORK PACKAGE
03/15/2011Rel(1.8)root(tswp)wpno(T00038)