Hafco Metalmaster HM-32B, Instruction Manual, Page: 8 / 23

9.SPEED CHANGING
(1)Turn power off .
(2)Remove belt cover.
(3)Loosen motor mount leaf screw.
(4)Push motor in order to loosen belts(right side of motor mount is fixed left
side with motor screw to tighten or loosen belts.
(5)Loosen two screws of base for speed change pulley that also adjust,the
location of base speed change pulley.
(6)Select the suitable RPM from speed charts of Fig.5.6.
(7)Tighten two screws of base for speed change pulley and the bolt of motor
mount lock.
(8)Cover the belt cover before turn power on.
Fig.5
The way to open pulley cover.
When need to adjust belt and change speed. First to open belt top cover and
open the buckle of belt cover, then open the pulley cover. After this step to
close the pulley cover with counter clockwise step to fit it.