Boom float position Boom float position (4) B2 A2 B2 A2 b2 a2 P T B2 A2 Hydraulic circuit 76096WE54 When the boom spool is located in float position, the oil from the pump will be blocked. The cylinder ports (A2, B2) are connected to the tank passage, so the boom will be lowered due to it's own weight. 6-29 a2 T P a1 A1 B1 LS A2 B2 pst ump ng oom D Roll back Bucket Floati B Up b1 b2 A2 B2