User guide

Safety TrueBlend™
12 Edition: February 2008
SLIDE GATE/MIX CHAMBER
NEVER use your fingers to move a sticking slide gate under the mix cham-
ber.
2.3 Safety Features
SAFETY INTERLOCK SWITCH
The ACCESS DOOR is equipped with a safety interlock switch that prevents
the mix motor from running and the slide valves from operating.
DO NOT defeat this safety switch
HOPPER FINGER GUARDS
Finger guards are fitted into each hopper compartment.
DO NOT reach through these guards.
DO NOT use your fingers to clear an obstruction below these guards.
DO NOT remove these guards.
2.4 Designated use
The TrueBlend gravimetric blender must be used exclusively for metering and
mixing free-flowing
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plastic granulate and additives. A total of four different mate-
rials can be metered and mixed in the TB 45 and TB 100 models. Other models
for up to six different materials are available including the: TB 250, 500 and 900
model series.
The following must not be metered and mixed:
• Foods of all types (the unit does not meet the hygienic standards),
• Highly abrasive materials, such as stones, sand (increased wear of unit
components),
• Poorly free-flowing, sticky materials (materials only flow poorly, airtight seal
by the pneumatic cylinder is adversely affected),
• Liquids and powders (airtight seal by the pneumatic cylinder is not possi-
ble).
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as per DIN ISO 3435