The set is suitable as a spare parts and retrofit set for maintenance of the Petromax HK 500. The numbering corresponds to the item number of the individual part as well as the number in the construction plan. The set consists of the following parts:

No. 3 tone generator
No. 4 3x mantle
No. 11 pressure gauge seal
No. 17 valve insert with rubber
No. 46 leather cuff
No. 50 carburetor jet
No. 68 jet needle
No. 83 valve sealing ring
No. 90 2x sealing ring
No. 108 graphite packing
No. 196 carburetor valve
No. 229 socket with gasket and screw