TM 55-1520-240-23-1
1-72
SERVICE AFT LANDING GEAR SHOCK STRUT (AIR)
1-72
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Source of High-Pressure Compressed Air, With
0-3000 PSI Air Gauge and Pressure Regulator
Torque Wrench, 30-150 Inch-Pounds
Materials:
None
Personnel Required:
CH-47 Helicopter Repairer (2)
Inspector
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Cargo Ramp Open Halfway on Level Ground (TM
55-1520-240-T)
Aft Landing Gear Access Panels Open (Task 2-2)
Shock Struts Serviced With Fluid (Task 1-70)
General Safety Instructions:
WARNING
Left and right aft landing gear shock
struts must be serviced together to
prevent uneven strut inflation. Uneven
inflation can cause ground resonance.
1-272
Change 3
