TM 10-3930-671-24 Table 2-2.  Unit Troubleshooting Procedures - CONT: MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION HYDRAULIC SYSTEM (CONT.) 14. UPRIGHT LIFT SPEED SLUGGISH - CONT. Step 2. Remove and clean hydraulic tank strainer (Appendix F, Hydraulic Sump - Fluid and Filter Change, Section 10.1). If upright lift speed is still sluggish, go to step 3. Step 3. Check hydraulic pump output pressure (Appendix F, Hydraulic Sump - Fluid and Filter Change, Section 10.1). If hydraulic pump pressure is below 2500 psi (17237 kPa), replace hydraulic pump. Notify DS/GS maintenance. If hydraulic pump pressure is 2500 psi (17237 kPa), go to step 4. Step 4. Check main valve output pressure at any valve outlet port (Appendix F, Hydraulic System Relief Pressure Check & Adjustment, Section 10.2). If main valve pressure is below 2500 psi (17237 kPa), replace main hydraulic valve. Notify DS/GS maintenance. If hydraulic pump pressure is 2500 psi (17237 kPa), replace hydraulic pump.  Notify DS/GS maintenance. 15. PUMP NOT DELIVERING HYDRAULIC FLUID. Step 1. Check hydraulic hoses for secure connections. If one or more hose connections are loose, tighten connections (Para 3-30). If hose connections are not loose, go to step 2. Step 2. Replace hydraulic fluid filter (Appendix F, Hydraulic Sump - Fluid and Filter Change, Section 10.1). If pump still does not deliver hydraulic fluid, go to step 3. 2-11