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PAGE 10 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
WM120P/S — GENERAL INFORMATION
GENERAL
The Whiteman WM-120PM and WM120SM Series plaster and
mortar mixers are shipped completely assembled and have
been factory tested.
The drum batch capacity of these mixers is between 3.5 and
4.0 bags. With proper care, they will give continuous service
year-after-year.
These mixers can be powered by either gasoline or electric
motors. The power from the engine is transmitted via the clutch/
reduction assembly directly to the paddle shaft. Therefore
providing high mixer torque and eliminating V-belts .
BEFORE STARTING
Before starting the engine, read the engine owners manual
and thoroughly understand the safety information.
Check the items listed below:
OIL LEVELS
Be sure to check the oil levels in the engine and engine reduction
unit before starting the unit.
HARDWARE
Check all hardware on the mixer before starting. Periodically
inspect all hardware. Loose hardware can contribute to early
component failure and poor performance. Use the torque chart
below as a general guideline and keep all hardware tight:
HARDWARE DIA TORQUE (LB./FT.)
5/16"- 18 24
3/8" - 24 37
1/2" - 13 39
1/2" - 13 (Grade 8) 90
GASOLINE ENGINE CARE
For care and operation of the gasoline engine, refer to the
engine manufacturer’s operating instructions furnished with the
engine. We recommend draining and refilling the engine
crankcase at least every thirty hours of operation. Check the
engine oil level daily.
GASOLINE MIXER OFF/ON SWITCH
This feature is on gasoline engine mixers only. Located on the
side of the engine cover. The purpose of this switch is to start
and stop the mixer in normal operation.
ELECTRIC MOTOR MIXER OFF/ON SWITCH
This feature is on electric motor mixers only. This switch is located
on top of the motor. Lift the engine cover to gain access to this
switch. The purpose of this switch is to start and stop the mixer
in normal operation. Never use the electric motor in an explosive
environment.
ENGINE THROTTLE AND CHOKE CONTROLS
Please refer to the engine owners manual for specific
instructions.