Parr Instrument 1356 - Manual (Page 14)

14
2. Parts Replacement
Keyboard
A bad keyboard panel will result in the calorimeter responding to only some rows or
columns of keys and ignoring others. If the keyboard has failed completely, the
calorimeter will respond to no key activation.
Keyboard . In either case, the calorimeter
will power-up to the main menu..
Instructions for Adjusting Cover
1.
Turn off instrument and open cover.
2. Loosen 8 set screws that secure the lower link assemblies, S shaped, to the
assembly shaft rod, Hinge Assembly
3. Carefully move the cover to the closed position.
4. From the rear of the calorimeter, with a nut driver or socket wrench, loosen the
six kep nuts that secure the support rod mounting place to the calorimeter chassis
5. 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.
6. Position the lower linkage assemblies to outer most position against the support
rod mounding plate.
7. Now secure the nuts on the support rod mounting plates, alternating between left
and right hand plates until all six nuts have been tightened.
Raise the cover and recheck the lower linkages to be sure they are at outer most
position adjacent to the respective mounting plates. Secure the 8 set screws.
8. Lower cover and recheck cover adjustment.
Motor Replacement
Remove the stirrer shaft assembly from the motor coupler.
From the bottom side of the cover, remove the 12 button head socket screws that secure
the top cover of the metal plate. Remove the motor’s electrical leads from the terminal
strip and note the terminal connection for each lead wire. Remove the 2 round head
screws that secure the motor to the cover and transfer the coupler to the new motor.
1404E Battery
The controller must be removed from the calorimeter. Remove the 6 screws that secure
the beige rectangular ring on the keypad. Remove the thermistor connectors from the
controller and remove the two orange connectors from the side of the controller. Remove
the power cord. Swing the controller out of the opening in the calorimeter. Remove the
ribbon connector from the display board and remove the power cord for the display, 2
wires, red and black. Remove the 4 nuts that secure the smart link connectors
on the back panel. Remove the 7 phillip screws that secure the left side panel to the
control module at the side and bottom of the left side chassis. The battery is secured to