Rundown of relay to contactor logic
Contactor 34K1 controls valve bank coils.
Y1 Mast down
Y2 Mast up
Y3 Jib up
Y4 Jib down
Relay bank
36K1-5 relays
36K1 Mast down (34K1-Y1)
36K2 Mast up (34K1-Y2)
36K3 Jib up (34K1-Y3)
36K4 Jib down (34K1-Y4)
36K5 Control relay (supply)