totally different machines, the 4015 is a Murray, yours is a Kingcat - they're a NZ machine sold by Cox & re-badged by Victa.
Make sure the blade engage lever is back in the disengage position or it won't start. If you ring Cox, ask for the spare parts section & ask them to send you a manual.
Brilliant machine!! I just bought a Cox 32 to retire my Kingcat with
