Despatch 926E Equipment Manual (C-155)Rev 2/11 - Manual (Page 40)

35
Test Equipment Required
The following equipment is needed to perform maintenance and calibration operations
on temperature test chambers.

Temperature calibrator (minimum adjustment 0.1

C or less).

Multitester, 100k ohms/volt, or VOM.
Chamber
The temperature test chamber should be
inspected for conditions that might damage
it or shorten its service life and should be
cleaned at frequent intervals.
Temperature test chamber inspection consists of the following checks.

Inspect the coolant cylinder valves to be sure they are properly closed.

Inspect the inside of the test chamber for moisture. If moisture is found,
operate the test chamber for one hour at 205

C (400

F) to evaporate the
moisture.

Check coolant lines for proper connections.

Check the test chamber motor(s) at elevated temperatures for quiet
operation. (This insures proper bearing condition.)
WARNING: WARNING: Always disconnect the AC
power to the test chamber before
performing preventive maintenance.
Maintenance should be performed by
qualified personnel only.