Fruit Machine Chat

New to this and my coin mechanism is playing up.
So how do i put credits on my machine its a maygay monopoly machine.
Thanks in advance for any help.

Just brought this machine sometimes it works somwtimes it don't not sure if its the switch/transformer? Any ideas? Also 1 of the coin tubes in the back is broke, does anyone have contact details for someone thats can fix fruit machines I am in Hertfordshire. Other problem is it wont take coins at th...