6-31. LHS MAIN WIRE HARNESS REPLACEMENT (CONT).
Middle frame weighs 2,500 lbs (1,135 kg). Attach suitable lifting device prior to removal
to prevent possible injury to personnel.
Attach lifting device to middle frame (1).
Turn ON engine switch.
With the aid of an assistant, push safe lowering button (2) while using lifting device to lift middle frame (1)
until hook arm pivot pin (3) is above main cylinder (4).
Turn OFF engine switch.
Block middle frame (1) up in two places with wooden blocks and remove lifting device from middle