P r e v e n t i v e M a i n t e n a n ce C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l

TM 5-5420-226-20-1 P r e v e n t i v e M a i n t e n a n ce C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l - Starter C o n t i n u ed Procedure Ensure all before operation checks listed in TM 5-5420-226-10, Preven- tive Maintenance Checks and Ser- vices (PMCS), are performed. If STE/ICE is available, perform the following electrical component checks. Perform BATTERY CONDITION TEST No. 77/79 (page 4-60). Perform CHARGING CIRCUIT AND BATTERY VOLTAGE TEST No. 67 (page 4-67). Perform STARTER CURRENT FIRST PEAK TEST No. 72 (page 4-70). Perform CI (COMPRESSION IGNI- TION) POWER TEST No. 13 (page 4-76). INITIAL ROAD TEST While starting engine, listen for un- usual noises and difficult cranking at starter. CAUTION Any unusual noise or improper cranking. Driver must remain in driver’s station at all times while engine is running. Engine Idle Start engine and operate at 1000 to 1200 rpm until normal operating temperature is reached. Any unusual noise or improper cranking. 3-14 Change 6