You can't adjust disc brakes
There is no adjustment on disc brakes. Replace them.
It could have either.
There drum, the front are disc and rear are drum
We would need to know what type of brakes you have... S-cam air brakes, air disc brakes, air piston brakes, air wedge brakes, hydraulic drum brakes, hydraulic disc brakes... they're all different.
Front disc, rear drum.
Front or rear.. disc or drum type..??????????
disc brakes are self adjusting unless the pads are bad or the caliper is bad.
Need to know what brake system you have, e.g., hydraulic disc, s-cam foundation air brakes, air disc brakes, air piston brakes, etc. All are available on different Fuso products.
The front brakes are disc brakes and are self adjusting. The rears are drum brakes and are also self adjusting providing the self adjusting mechanism is in working order.