TM 9-2320-209-34-2-2 Soldiers A and B 1. Put chain hoist on rack bar (1) as shown. Soldier A Soldier B Soldiers A and B WARNING When chain removing rack bar (1), be sure it is balanced on hoist or it may fall causing damage to equipment or injury to personnel. 2. 3. 4. GO TO FRAME Balance rack bar (1) when soldier B feels it is out of boring gear case (2). Feed rack bar (1) out of boring gear case (2), until it disengages. Refer to Operation of Earth Boring Machine and Polesetter Trucks, TM 9-2320-209-10. Pull out rack bar (1). 17-488