DSC 4000 Planned Maintenance

• Service Order No.

• Customer Name

• Visit date

  Date
• Location
  Address

• Perkin Elmer Service Engineer

General

• Ask user about performance since last visit

  Yes

  No

  N/A

• Check incoming AC line voltage for proper levels and grounding

  Yes

  No

  N/A

• Check purge gas flow

  Yes

  No

  N/A

• Inspect and clean cooling fans / vents

  Yes

  No

  N/A

• Inspect and clean interior as needed

  Yes

  No

  N/A

Mechanical / Performance Tests

• Check firmware version. Upgrade to current levels if necessary

  Yes

  No

  N/A

• Measure all accessible power supply voltages

  Yes

  No

  N/A

• Check operation of instrument display

  Yes

  No

  N/A

• Inspect furnace and lids. Clean if necessary

  Yes

  No

  N/A

• Check Autosampler operation. Adjust if necessary

  Yes

  No

  N/A

• Check cooling system operation

  Yes

  No

  N/A

• Check baseline

  Yes

  No

  N/A

• Check for noise

  Yes

  No

  N/A

• Perform full temperature and heat flow calibration. <br>Note heating rate & calibrated Indium results (156.6°C / 28.45J/g)

  Yes

  No

  N/A

• Heating Rate (°C/min) :

• Indium Onset (°C) :

• Indium Heat Flow (J/g) :

• 2nd Standard Used (for reference only)

  Zinc (419.47°C)

  Tin (231.88°C)

  Lead (327.47°C)

  Other (enter below)

• Tap to enter information

• Clean exterior of instrument

  Yes

  No

  N/A

Review

• Review work performed with user

  Yes

  No

  N/A

• Review routine maintenance procedures with user

  Yes

  No

  N/A

• Discuss recommended consumables to have on hand

  Yes

  No

  N/A

• Perkin Elmer Service Engineer

  Sign

• Customer Representative

  Sign