7–10. PRIMARY HYDRAULIC SYSTEM – MAINTENANCE OPERATIONAL CHECK (cont)

TM 1-1520-238-T-5 7–57 7–10. PRIMARY HYDRAULIC SYSTEM – MAINTENANCE OPERATIONAL CHECK (cont) 7–10 7. On pilot center circuit breaker panel (fig. 7–22), close the LT CAUT, TWHL LOCK, and LT PRI circuit breakers. M68-007 LT PRI TWHL LOCK LT CAUT Figure 7–22. Pilot Center Circuit Breaker Panel 8. Complete the maintenance operational check as follows: NOTE Removable handle for hydraulic hand pump is stowed in cross beam of access door R325. Task Result a. Using hydraulic hand pump handle, service primary hydraulic manifold reservoir to normal operating level (TM 1-1520-238-23). If hydraulic hand pump does not service primary hydraulic manifold reservoir, go to paragraph 7–12. b. Set hydraulic hand pump selector valve (fig. 7–21) to INBOARD position. c. On pilot master caution/warning panel (fig. 7–23), press PRESS TO TEST indicator. Check pilot master caution/warning panel and pilot caution/warning panel (fig. 7–24). All caution/warning indicators are lighted. If any of the caution/warning indicators are not lighted, replace lamps. If lamps still do not light, refer to TM 1-1520-238-T-6 to troubleshoot caution/warning system. If PRI HYD PSI indicator is not lighted, replace lamp (TM 1-1520-238-23). If lamp still does not light, go to paragraph 7–13. M68–008 PRESS TO TEST INDICATOR Figure 7–23. Pilot Master Caution/Warning Panel