TM 10-4610-239-24
TM 08580B-24/3
Table 3-1. Direct Support Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
CONTROL BOX ASSEMBLY
1. A PUMP INDICATOR DOES NOT LIGHT - Continued
If any point-to-point check indicates no continuity, replace PANEL
LIGHT switch S11 or repair wiring harness. For switch, refer to
2. LOW PRESSURE OR HIGH PRESSURE INDICATOR DOES NOT LIGHT
NOTE
Refer to figure 3-7 for pressure indicator circuit support diagram.
Step 1.
Push PANEL LIGHT switch to TEST INDICATOR LIGHTS.
If failed indicator lights, go to step 2.
If failed indicator does not light, go to step 3.
Step 2.
Refer to appropriate detail of support diagram figure 3-7. Check continuity
point-to-point between test points A and B.
If all points have continuity, replace control relay listed at test point B.
Refer to paragraph 3-40.
If any point-to-point check indicates no continuity, repair cable or wiring
harness. For cable, refer to paragraph 3-17. For wiring harness, refer to
Step 3
Refer to appropriate detail of support diagram figure 3-7. Check continuity
point-to-point between test points B and C.
If all points have continuity, go to step 4.
If any point-to-point check indicates no continuity, replace indicatorlampholder
or repair wiring harness. For indicator lampholder, refer to paragraph 3-35. For
wiring harness, refer to paragraph 3-39.
Step 4
Check continuity point-to-point between test points D and E.
If all points have continuity, replace control relay listed at test point A.
Refer to paragraph 3-40.
If any point-to-point check indicates no continuity, replace PANEL
LIGHT switch S 11 or repair wiring harness. For switch, refer to
3-33
