Tinius Olsen MP1200 Extrusion Plastometer Page 7-1
Operation Manual # 02002215
7 Section 7 – MP1200M Motorized Weight Support and
Lowering/Raising Device with Swing-Away Feature (WLD)
7.1 Preparation for use of Factory Installed WLD
7.1.1 Install the weight retaining rods (Refer to Drawing 5-6-730 located in Appendix A at
the rear of this manual) provided with the WLD. The rods are used to safely contain
the weight(s). When using 3” diameter weights (supplied for Flow Rate Ratio testing
only), three (3) rods are threaded into the inner tapped holes of the weight platform in
a triangular pattern (supplied with FRR attachment hardware).
7.1.2 For larger diameter weights, all four of the rods should be installed using the outer,
square pattern.
CAUTION: Possible pinch points associated with the weight-lowering device exist. One
is between the lift cap and the lifter top at the bottom most position of the platform and the second
exists between the weight lowering platform and the piston rod.
CAUTION: Do not allow the WLD to lower when there is any obstruction between the top
of the furnace and the bottom of the weight platform that would prevent the full lowering of the WLD.
Should the WLD lowering be initiated inadvertently when an obstruction is present, immediately
press the “STOP” button located on the left side of the MP1200 display. Press NAVIGATION if the
WLD buttons are not shown.
WARNING: Do not use the WLD to purge material from the bore after a test.
7.2 MP1200M Factory Settings
NOTE: The machine comes from the factory with the following settings. Under
normal operating conditions, there should be no reason to adjust these settings.
7.2.1 Verify the proper WLD Motor Controller voltage setting. (For 220 V use the
inside pin settings, 110 V use the outside pin settings.)
7.2.2 Verify all of the other jumpers for proper settings.
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