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Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued) -502230212
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued) -502230214

TM-5-3740-214-14 Aerosol Generator Non-Thermal Insecticide Unltra-Low Volume Model XKA (NSN 374001-076-1341) Manual
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TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE DOES NOT TURN OVER (Continued)
(3)
If there are not any loose leads, go to Step i.
Figure 5-59. Armature Test
i.
Check the armature for shorts. Use a growler (open core transformer).
(1)
Rotate the armature slowly on the growler.
(2)
Hold a hacksaw blade over the armature while it is turning. When a shorted winding comes
under the hacksaw blade, it will vibrate.
(3)
If shorts are found in the commutator, brush them from between the slots and check the commu-
tator again. If it is all right, go to Step j. If it is still shorted, go to Step k.
j.
Check for grounds in the armature. Use a 110 volt test lamp and test leads.
(1)
Connect one lead to the commutator.
(2)
Connect the second test lead to the armature shaft.
(3)
If the light lights, there is a grounded wire.
(4)
Clean the slots in the commutator for grounds again.
(5)
If there are grounds, go to Step 3k.
k.
If there are any opens, shorts or grounds, replace the armature and go to Step 3m.
5-54






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