Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 4

Safety
 Please tell us a MODEL /SER.No. on the plate of the machine when you make an inquiry.
A plate stamped with the model and serial number is attached to side of the machine.
※ Each illustrated figure (Fig.) has a number
(for instance, A130375) at the right bottom.
This number is not a part number, it is an
internal reference number.
A130375
S-2