MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 13
MC-44S CONCRETE MIXER — MIXER BASIC COMPONENTS
1. Steel Mixing Drum — The Multiquip MC-44S concrete
mixer uses a 4 cu. ft

steel

mixing drum. This drum is to be
used for mixing of concrete. Always clean the drum after
each use. DO NOT use this mixing drum for the mixing of
volatile liquids.
2. Dump Latch — To rotate the mixing drum, this latch must
be in the up position. To lock the drum, place the latch in the
down position.
3. Dump Gear Guard — NEVER operate the mixer with this
guard removed. Its purpose is to prevent dirt and debris
from entering the dump gear. In addition operator clothing
could become entangled in the dump gear, causing severe
injury and bodily harm.
4. Handwheel — Turn this wheel clockwise or counter-
clockwise to rotate the mixing drum. Remember the dump
latch must be in the

up position

in order for the mixing
drum to be rotated.
5. Zerk Fittings — There is, at the bottom and engine side
of the yoke, and center of the

handwheel

grease zerk
fittings. Lubricate these fittings as referenced in the
maintenance section of this manual.
6. Safety Chain — This mixer uses a 3/16-inch thick, 72-
inches long zinc-plated saftey chain.

ALWAYS

connect the
safety chain when towing.
7. Tow Bar — This mixer uses various towing bars, please
reference the frame assembly drawing and parts list in this
manual to determine which tow bar meets your
requirements.
8. Rigid Suspension — This mixer uses a rigid type
suspension. Check the mounting hardware for bolt hole
elongation and tightness. See maintenance section of this
manual for recommended maintenance.
9. Chock Blocks — Place these blocks (not included as
part of the mixer package) under each mixer wheel to
prevent rolling, when mixer is not connect to the towing
vehicle.
10. Tires Ply — The tire ply (layers) number is rated in letters;
This mixer uses 13-inch 2-ply tires. Replace with only
recommended type tires.
11. ON/OFF Switch (gasoline only) — This switch is provided
on

mixer with gasoline

engines only and is located on the
side of the mixer frame. When activated it will shut down
the engine. Pull out when starting the engine.
12. Cabinet/Latch — Encloses engine and electric motor.
NEVER run mixer with cabinet removed. Use latches to
secure engine compartment cabinet.
13. Mixing Blades (Steel) — Used for the mixing of concrete.
When blades show signs of wear, entire steel mixing drum
assembly must be replaced. See steel mixing drum
assembly in the parts section of this manual.
14. Forklift Pockets – When lifting of the mixer is required,

use these fork lift pockets to lift the mixer. Remember to

insert the forks of the forklift a minimum of 24 inches into

the lift pockets.

Figure 2. Mixer Major Components