
TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 121 of 1176
TM 9-2320-361-24-1 0006 00 0006 00-25 MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd) Table 20. Water Tank (M50A3) Troubleshooting Procedures (Contd). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 4. WATER TANK COMPARTMENTS CANNOT BE SUCTION FILLED 1. Check delivery pump propeller shafts for broken universal joints or broken shaft. 2. Check transfer PTO for proper operation. 3. Check delivery pump strainer for restrictions. 1. If shaft is broken, replace (WP 0292 00 or WP 0293 00). 2. If universal joints are broken, replace (WP 0141 00). 1. If transfer PTO is inoperative, check transfer PTO linkage for proper operation and adjustment (WP 0133 00). 2. If transfer PTO linkage is operating properly and transfer PTO is inoperative, replace PTO (WP 0348 00). 1. If delivery pump strainer is restricted, clean or replace (WP 0284 00). 2. If water system is clean and delivery pump drive shaft is operating at correct speed, replace delivery pump (WP 0280 00).