MBW MM121 - Manual (Page 9)

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M
AINTENANCE
WARNING
Always exercise the stopping procedure before
servicing or lubricating the unit.
After servicing the unit, replace and fasten all
guards, shields, and covers to their original
positions before resuming operation.
CAUTION
Always verify fluid levels and check for leaks after
changing fluids.
Do not drain oil onto ground, into open streams,
or down sewage drains.
Maintenance Schedule
1. Check all hardware after the first 5 hours of use, then follow the maintenance schedule.
2. Retorque lug nuts, front leg, and axle hardware after the first 25 miles travelled, the follow the maintenance schedule.
3. Change filter after the first 10 hours of use, then follow the maintenance schedule.
Fluid Levels
Engine Maintenance
Refer to the engine owner’s manual for maintenance
intervals and procedures.
Engine Speed
Engine speed is factory set according to the speed listed in
the Specifications section of this manual. Refer to the
engine owner’s manual for procedure on setting operating
speed if necessary.
Cleaning
Always clean the mixer thoroughly after each day’s
operation. Dried mortar inside the drum can damage the
paddles and shorten the life of the mixer. Additionally, future
batches of mortar can be contaminated if the drum is not
clean.
CAUTION
Do not pound on the drum to clean dried mortar;
this will cause damage to the drum.
SYSTEM MAINTENANCE EACH USE
EVERY 40
HOURS
EVERY 100
HOURS
YEARLY
Axle Check tire pressure X
Grease wheel bearings X
Drum Grease trunnions & pillow blocks X
Engine Refer to engine operator/owner manual X
Hardware Check and tighten as needed
1,2 X
Hydraulics Check oil level X
Check for oil leaks X
Change oil X
Clean suction strainer X
Change filter 3 X
SYSTEM FLUID VOLUME RECOMMENDED OIL
Model MM91 MM121
Chevron Rykon AW ISO 32 Hydraulic Oil
Hydraulics 13.5 gallons 15 gallons
Engine Refer to engine operator/owner manual