Parr Instrument 1356 - Manual (Page 17)

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12.
Position the new mounting plates on the shaft assembly rod. Raise the shaft
assembly rod to position the support rod mounting plate over the machine screws
attached to the calorimeter chassis.
13.
Secure the mounting plates with previously removed kep nuts, finger tight.
14. With previously removed flat head machine screws and retaining washers, secure
the upper linkage to the support rod mounting plates.
15. Use the retaining pin to secure the gas spring to the U bracket. Reattach the snap
rings on the retaining pin.
16.
Push the lower linkages to the outer most position on the shaft assembly rod.
Raise cover to open position.
17.
Attach tube clips to the lower linkage assembly with the nut and washer between
the two linkage assemblies.
18.
Reattach lower linkage arms to the cover bracket with the flat head machine
screws and retaining washers. Position the lower linkage assemblies to outer most
position against the support rod mounting plate.
18.
Position the lower linkage assemblies to outer most position against the support
rod mounting plate.
19.
Lower the cover and align cover so that cover has a uniform alignment with
calorimeter chassis, front, side and rear. No air gap should exist between rear portion of
cover and the calorimeter chassis.
20.
Now secure the nuts on the support rod mounting plates, alternating between left
and right hand plates until all six nuts have been tightened.
21.
Raise the cover and recheck the lower linkages to be sure they are at outer most
position adjacent to respective mounting plates. Secure the 8 set screws.
Reattach cable connector, lower cover and recheck cover adjustment.
4. Messages Error
Error: Pre-period/Post-period Time Limit Violated
Pre-period or Post-period Time Limit Violation. The causes are listed in order of
probability.
1.
The stirrer motor does not work or is intermittent, which is generally due to
weak torque capability. With cover open and stirrer operating, one should
not be able to stop stirring with gentle force of two fingers. Another test is to
open and close the lid, if the motor stops during this process, replace the
A1537E2 wiring harness
2.
The bucket tipped so as to touch the wall of test chamber.
3. Water in the bottom of test chamber.
4. The bucket temperature is started at temperatures which are more than 1-2
degrees C below the room temperature.
5. Bad motor cable, Parr A1537E2 or feet on the bomb are worn so water circulates
under the bomb.
6.
Oxygen leak in the bomb or foam insulation has deteriorated.
7. Bucket thermistor probe bent and touching the bucket.