Axminster AWHBS350N User Manual page 19

Back rail An aluminium extrusion bolted to the rear of the saw table, that is used
as the rear clamp bracket for the guide fence.
Tracking control The tracking control wheel, at the rear of the top compartment, is
wheel connected to a threaded rod that is engaged in a threaded hole in the
base plate of the upper saw wheel axle assembly. The end of the rod
pushes against the lower end of the hinged tilting plate that carries the
upper saw wheel axle. Driving the rod in or out will cause the plate to tilt,
and by association, the upper saw wheel, thus enabling the blade to be
'tracked'. The tilting plate is kept in contact with the end of the threaded
rod by the tension on the saw blade, (the downward 'pull'). It should be
self - evident therefore, that the blade can only be 'tracked' whilst it is in
tension.
Lower saw The lower saw wheel and integral pulley wheel is likewise mounted on
wheel double bearings, onto an axle that is mounted to a fixed base plate. The
base plate, triangular in shape, is bolted to the rear face of the lower
saw wheel compartment. There are no adjustment mechanisms for the
lower saw wheel. Mounted on a fixed shaft on a fixed base it is the base
parameter that the rest of the saw is set against.
Drive belt The drive belt tensioning idler wheel (the idler), is mounted on a stub
tensioning axle assembly that is captive in a slotted base plate. The idler wheel
idler wheel adjusting knob, on the side of the lower saw wheel compartment, is
connected to a threaded rod which is engaged in the stub axle
assembly. The rod is anchored in the side of the main saw frame, so that
turning the knob will drive the stub axle assembly back and forth along
the slot in the base plate. This allows the drive belt to be tensioned, or
the tension removed to allow the belt to be changed or moved to the
alternate groove to change the speed. Remember; the belt is tensioned
by 'pushing' the idler forward against the belt, not 'pulling' the idler back
against the belt.
Dust extraction A 98mm diameter dust extraction outlet.
outlet
On/Off Button The On/Off buttons, fitted with the optional shroud, (see the initial
and switch assembly instructions).
shroud
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