
PAGE 8 — PRO12 HYDRAULIC MIXER • OPERATION MANUAL — REV. #4 (10/30/19)
SAFETY INFORMATION
 DANGER
 
NEVER operate the equipment in an explosive 
atmosphere or near combustible materials.An 
explosion or fire could result causing severe 
bodily harm or even death.
 
DO NOT mix flammable or explosive substances.
 WARNING
 
NEVER place your hands inside the drum 
while starting or operating this equipment.
 
NEVER disconnect any emergency 
or safety devices. These devices are 
intended for operator safety. Disconnection of these 
devices can cause severe injury, bodily harm or even 
death. Disconnection of any of these devices will void 
all warranties.
 
Before operating mixer, ensure that safety grate is in 
position and correctly fitted.
 CAUTION
 
NEVER lubricate components or attempt service on a 
running machine.
 NOTICE
 
ALWAYS keep the machine in proper running condition.
 
ALWAYS ensure mixer is on level ground before mixing.
 
Fix damage to machine and replace any broken parts 
immediately.
 
DO NOT tip mixer onto drum mouth when the drum is 
rotating.
 
Ensure the drum is rotating while filling and emptying 
the drum.
 
ALWAYS store equipment properly when it is not being 
used. Equipment should be stored in a clean, dry location 
out of the reach of children and unauthorized personnel.
 
ALWAYS deploy stabilizer jack stands prior to use.
ENGINE SAFETY (GASOLINE MODELS ONLY)
 DANGER
Engine fuel exhaust gases contain poisonous carbon 
monoxide. This gas is colorless and odorless, and can 
cause death if inhaled.
The engine of this equipment requires an adequate 
free flow of cooling air. NEVER 
in any enclosed or narrow 
area where free flow of the 
air is restricted. If the air 
flow is restricted it will cause 
injury to people and property 
and serious damage to the 
equipment or engine.
 WARNING
DO NOT 
place hands or fingers inside engine 
compartment when engine is running.
NEVER
 operate the engine with heat shields or 
guards removed.
Keep fingers, hands hair and clothing away 
from all moving parts to prevent injury.
DO NOT remove the engine oil drain plug 
while the engine is hot. Hot oil will gush out of the oil 
tank and severely scald any persons in the general area 
of the mixer.
 CAUTION
NEVER touch the hot exhaust manifold, 
muffler or cylinder. Allow these parts to cool 
before servicing equipment.
Make certain the operator knows how to and is capable 
of turning the engine OFF in case of an emergency.
 NOTICE
NEVER
 run engine without an air filter or with a dirty air 
filter. Severe engine damage may occur. Service air filter 
frequently to prevent engine malfunction.
NEVER tamper with the factory settings 
of the engine or engine governor. Damage 
to the engine or equipment can result 
if operating in speed ranges above the 
maximum allowable.