Comments: 6036 inner boom retract chain (s/n2515 & BEFORE) - use clevis 7063482(qty. 1), chain 8127004(qty. 1), pin 8124126(qty. 1), and retaining rings 7085542(qty. 2) 6036 inner boom retract chain (s/n2516 & AFTER) - use kit 8024026. 8042 / 10042 INNER & 10054 SEC INTERM EXTEND (ALL S/N) - USE KIT 8024032. 8042 / 10042 INNER (S/N 1085 & AFTER )& 10054 SEC INTERM RETRACT (S/N 0885 & AFTER) - USE KIT 8024033. 10054 INNER BOOM RETRACT CHAIN (ALL S/N) - USE KIT 8024033. 8042 / 10042 INNER (S/N 1084 & BEFORE) & 10054 SEC INTERM RETRACT (S/N 0884 & BEFORE) - USE KIT 8024057.