TM 5-3895-385-23-1
0203
Table 1. Spray Pump Malfunction Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If no continuity is present,
replace spraydown pump fuse
(WP 0277, Vol 2).
4. Relay malfunction.
1. Access spraydown pump relay
(WP 0447, Vol 3, Figure 3).
2. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
3. Turn on spraydown pump using
control pedestal beacon keypad
(TM 5-3895-385-10).
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from known good ground to
VDC, replace main wiring
relay connection point 86 (WP
harness (WP 0373, Vol 2).
0447, Vol 3, Figure 4) on
spraydown pump relay (WP
0447, Vol 3, Figure 3).
2. If voltage reads below 22 VDC,
proceed to next test.
5. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of
3) from known good ground to
4.5 VDC, turn keyless engine
relay connection point 30 (WP
switch to the OFF position (TM
0447, Vol 3, Figure 4) on
5-3895-385-10), and replace
spraydown pump relay (WP
spraydown pump relay (WP
0447, Vol 3, Figure 3).
0277, Vol 2).
2. If voltage reads below 4.5 VDC,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and replace output
module ECM (WP 0399, Vol 2).
END OF WORK PACKAGE
0203-3/4 blank
