TM 55-1520-240-23-1
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LEVEL AND WEIGH HELICOPTER (3-POINT) (AVIM)
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Hydraulic Jack 1228-31 or Equal
Hydraulic Jack 1214-151 or Equal (2)
Aircraft Weighing Kit (T186)
Tiedown Chain (2)
Materials:
None
Personnel Required:
Medium Helicopter Repairer (5)
Inspector
References:
TM 55-1500-342-23
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Fuel Tanks Drained (Task 10-34 or 10-35)
Engine Oil Tanks Serviced to Full (Task 1-52)
All Transmissions Serviced to Full (Task 1-54)
Hydraulic System Reservoir Serviced to Full (Task
1-50 or 1-62)
Helicopter Washed (Task 1-76)
Helicopter Inside Closed Hangar on Level Surface
Helicopter Inventory Complete
Helicopter Roped Off and Signs Posted to Restrict
Access
Both Forward Landing Gear Shock Struts Deflated
(Task 1-71)
Both Aft Landing Gear Access Panels Open (Task
2-2)
Both Aft Landing Gear Shock Struts Inflated (Task
1-72)
Servocylinder Safety Blocks Installed (Task 11-28)
General Safety Instructions:
Jacking on uneven surface can cause
helicopter to fall. Personal injury and
damage to equipment can result.
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