TM-9-2350-277-20-2 Unit Maintenance Manual Volume 2 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0155 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED C R E W M E M B E R PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: i. Check fuel hoses, other hose connections and fuel pump for leaks. Tighten connections that leak. Replace connections that continue to leak. j. Service fuel pump (WP 0709 00). k. Tighten fuel pump mounting screws. HOSE CONNECTIONS FUEL HOSES FUEL PUMP MOUNTING SCREWS FUEL PUMP 0155 00-144 Change 3 p. When stopping heater, check for correct purge cycle. Verify that indicator lights properly. If heater does not operate as specified above, perform troubleshooting (WP 0089 00). o. During operation, check for unusual noises. Check for increase in coolant temperature. n. Start, run and stop heater (see your -10). During start cycle, verify that switches and lights work properly. m. Check heater control box, switches and light bulbs. Tighten or replace bad switches and bulbs (WP 0702 00). Heater fails to cycle for proper shutdown. l. Check electrical leads and connectors at heater, at control box and at fuel pump. Tape frayed leads. Replace damaged connectors (WP 0382 00).