MBW MM90 - Manual (Page 9)

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O
PERATION
Introduction
MBW equipment is intended for use in very severe
applications. They are powered by four cycle engines and
are available in different sizes and a selection of engines.
This parts manual contains only standard parts. Variations
of these parts as well as other special parts are not included.
Contact your local MBW distributor for assistance in
identifying parts not included in this manual.
Before Starting & Operating
• REMEMBER! It is the owner’s responsibility to
communicate information on the safe use and proper
operation of this unit to the operators.
• Review ALL of the Safety Precautions listed on page 1 of
this manual.
• Familiarize yourself with the operation of the machine
and confirm that all controls function properly.
• Know how to STOP the machine in case of an
emergency.
• Make sure hands, feet, and clothing are at a safe
distance from any moving parts.
• OIL LEVEL - Check the oil level in the engine. For more
information see “Lubrication” under the respective
engine’s “Owners Manual” or the Maintenance section of
this manual.
• AIR CLEANER - Check to ensure element is in good
condition and properly installed.
• FUEL SUPPLY - The engines on MBW equipment
require an automotive grade of clean, fresh, unleaded
gasoline.
• FUEL FILTER - If clogged or damaged, replace.
Wiring Electric Motor
All electric motors come with a 12” pigtail which must be
wired with a plug for your application.
WARNING
Wiring must be done by certified electrician.
Starting Gas Engine
1. Move mixer engagement lever to “IDLE” position.
2. Open the fuel valve.
3. Pull out the stop switch on the engine shroud.
4. Move the engine throttle lever to the “FAST” position.
5. Choke the engine if necessary. (You may not need to
choke a warm engine).
6. Pull the starter rope repeatedly until engine starts.
7. Move choke lever to open position and throttle lever
to the “IDLE” position
8. Allow engine to warm up for one or two minutes.
Starting Electric Motor
1. Move mixer engagement lever to “IDLE” position.
2. Plug the motor into a suitable power source.
3. Move the switch on the motor to the “ON” position.
Operating
1. Close the engine shroud.
WARNING
Do not operate the mixer with the shroud open.
2. Move engagement lever to the “MIX” position.
3. Add half of the required amount of sand and water for
the batch to be mixed.
4. Add the total required amount of mortar mix.
5. Add the remaining amounts of sand and water and al-
low time to mix properly.
6. Unlock the drum by rotating the locking bar out of en-
gagement with the frame.
7. Tip the drum forward to discharge the batch.
8. Return drum to mixing position and check that it is
locked in place.
9. If another batch is to be mixed, add water for the next
batch.
CAUTION
Always clean the drum after each day’s operation.
See Cleaning, page 8.
Stopping Gas Engine
1. Move mixer engagement lever to the “IDLE” position.
2. Whenever possible it is recommended to let the en-
gine idle before stopping.
3. Push in the engine stop switch on the engine shroud.