MBW MM121 - Manual (Page 7)

- 4 -
O
PERATION
Introduction
MBW equipment is intended for use in very severe
applications. They are powered by reliable four cycle
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.
Starting Engine
1. Check that both operating levers are in the STOP, or
center, position.
2. Open fuel valve.
3. Pull out the stop switch on engine shroud, turn engine
switch to “ON” position.
4. Set throttle to idle.
5. Choke engine if necessary (you may not need to
choke a warm engine).
6. Pull starter rope repeatedly until engine starts.
7. Move choke lever to open position.
8. Allow engine to warm up for one or two minutes.
Starting Motor
1. Check that both operating levers are in the STOP, or
center, position.
WARNING
Always have a certified electrician wire the motor
for your application.
2. Push “START” button on switch box.
Operating
1. Open throttle fully.
2. Close the engine shroud.
WARNING
Never operate mixer with the shroud open.
3. Pull motor lever to “MIX” position.
4. Add half of the required amount of sand and water for
the batch to be mixed.
5. Add the total required amount of mortar mix.
6. Add the remaining amounts of sand and water and
allow time to mix properly.
7. Pull drum lever to “DUMP” position to discharge
batch.
8. Push drum lever to “RETURN” position until drum has
returned to the mixing position.
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 6.
Stopping Engine
1. Push motor lever to “STOP”, or center, position.
2. Let engine idle for one or two minutes.
3. Push in the stop switch on engine shroud.
4. Close fuel valve.