Benchmark HCM400 Manual page 11

4 CU FT ELECTRIC CEMENT MIXER
THE MIXING BLADES
THE TIPPING BAR
1. Position the upper drum on bottom
drum over the rim, making sure the
mounting holes align in both as well as
the labeled arrows.
2. Insert a M8X20 cross headed screw
into each mounting hole in the rim.
Secure each bolt from below with a
flat washer, lock washer and nut. Make
sure the tightening process is carried
out progressively.
3. Secure the mixing blades to the upper
drum by inserting two M8X20 cross
headed screws, from the outside
through the holes in the drum.
4. A leather washer should be positioned
inside between the drum and blade.
Secure the mixing blade on the inside
using a flat washer, spring washer
and nut.
5. Finally, ensure top and bottom mixing
blade mountings are tight.
1. Slide the locking plate over the large
diameter shaft at the leg end of the
frame with the rim facing inwards as
shown. Secure with two M8X25 bolts,
each with a nut, lock and flat washers.
2620-176
10