TM-5-5420-202-10
LAUNCHER, M48A5 TANK CHASSIS
OPERATOR'S MANUAL
DECEMBER 2009
TM-5-5420-202-10 - Page 158 of 535
TM 5-5420-202-10
0021
OPERATOR MAINTENANCE
OPERATION UNDER USUAL CONDITIONS - PREVENTING GHOST LAUNCHING OF TONGUE AND
OVERHEAD CYLINDER
INITIAL SETUP:
Equipment Conditions
Engine running (WP 0015)
GENERAL
This work package provides instructions on parking an Armored Vehicle Launched Bridge (AVLB) retrof tted with
hydraulic electrical upgrade (HEU) if the vehicle is experiencing ghost launching of the tongue and/or overhead
cylinders. This condition can occur on vehicles parked without a bridge. The condition is caused by excessive
internal leakage of the overhead and/or tongue cylinders. If equipment will not operate, notify f eld maintenance.
0021-1
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