TM 5-3895-385-23-1
0101
Table 1. Screed Electric Heater Malfunction Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Electric generator malfunction.
1. Observe that electric generator
1. If coupler is spinning, proceed to
is spinning at coupler (WP 0370,
test 4.
Vol 2).
2. If coupler is not spinning,
proceed to next test.
2. Measure voltage (WP 0443, Vol
1. If voltage reads below 22 VDC,
3) from ground to NC connector
proceed to next malfunction.
on electric timer (WP 0445, Vol
3, Figure 7).
2. If voltage reads a minimum of 22
VDC, proceed to WP 0214.
3. Measure voltage (WP 0443, Vol
1. If voltage reads below 210 Volts
3) from white wire to black wire
Alternating Current (VAC),
on terminal block (WP 0447, Vol
proceed to WP 0214.
3, Figure 9).
2. If voltage reads a minimum of
210 VAC, proceed to
malfunction 8.
4. Electric timer malfunction.
Measure voltage (WP 0443, Vol 3)
1. If voltage reads a minimum of 22
from ground) to Input + connection
VDC, turn keyless engine switch
on electric timer (WP 0447, Vol 3,
to the OFF position (TM 5-3895-
Figure 7).
385-10), and replace electric
timer (WP 0243, Vol 2).
2. If voltage reads below 22 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next
malfunction.
5. Toggle switch malfunction.
1. Ensure toggle switch is in the on
(up) position (WP 0447, Vol 3,
Figure 11).
2. Measure continuity (WP 0443,
1. If continuity is present, proceed
Vol 3) between post 1 and post 2
to next malfunction.
on the toggle switch (WP 0447,
Vol 3, Figure 11).
2. If no continuity is present,
replace toggle switch (WP 0243,
Vol 2).
0101-3