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Page Title:
Table 6-3. Improved Clean Air Induction System Troubleshooting - Continued |
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 TB 9-2300-378-14
Table 6-3. Improved Clean Air Induction System Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED, BUT DUST DETECTOR WARNING
10.
LIGHT AND POWERPLANT WARNING LIGHT DO NOT COME ON (FIG. 6-2) - Continued
If continuity does not exist through engine wiring harness 12314608, replace
e.
harness (para. 6-17c).
If continuity exists through engine wiring harness 12314608, check
f.
continuity through engine-to-bulkhead lead 12325929 (circuit 509B) from
engine connector socket C to bulkhead connector pin C.
If continuity does not exist, replace engine to bulkhead lead assembly
g.
12325929 (circuit 509B (para. 6-17d).
If continuity exists through engine-to-bulkhead lead 12325929, disconnect
h.
hull intermediate lead assembly 12325928 (circuit 509B) from short lead of
dust detector warning light harness at dust detector warning light box.
Check continuity through lead 12325928 from pin C at bulkhead to short
lead connector.
If continuity does not exist, replace hull intermediate lead 12325928 (circuit
i.
509B (para. 6-17e).
If continuity exists through hull intermediate lead, go to step 3.
j.
Disconnect connector P1 of harness 12325927 from dust detector warning light
Step 3.
box. Check continuity through circuit 509B of harness 12325927.
If continuity exists, replace dust detector warning light box (para. 6-17g,
a.
M60A3; 6-17h, M728; 6-17i, M48A5AVLB, M60A1AVLB).
b. If continuity does not exist replace dust detector warning light harness
12325927 (para 6-17f).
POWERPLANT WARNING LIGHT ON, DUST DETECTOR WARNING LIGHT ON, BUT
11.
DUST DETECTOR PRESSURE SWITCH(ES) NOT TRIPPED (FIG. 6-2).
Set MASTER BATTERY switch to OFF.
Step 1.
Disconnect leads of engine wiring harness 12314608 (circuit 509B) from right and
Step 2.
left dust detector pressure switches. Check continuity across terminals of each
pressure switch connector.
a. If continuity across terminals exists, replace pressure switch (para. 6-17b).
b. If continuity does not exist, go to step 3.
Disconnect connector of engine wiring harness 12314608 (circuit 509B) at engine
Step 3.
disconnect. Check harness 12314608 (circuit 509B) at engine disconnect by
checking continuity to all other connector pins and to connector shells.
a. If continuity exists, replace engine wiring harness 12314608 (para. 6-17c).
b. If continuity does not exist, go to step 4.
6-18
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