7/21/2004 Page 9 of 22 Spectronic 501 & 601.EDP.doc
Milton Roy
Spectronic 501/601
Spectrophotometer
PMQA Procedures
HOME TECHNICIAN'S NOTES CONTENTS
The following includes all levels of testing. The steps applicable to each level is as follows:
A (abbreviated): Step 1
QA (quality assurance - operational verification): Steps 1, . . .
PM (preventative maintenance): All steps
1. Historical: optional but beneficial in some cases
1.1. CHECK THE CURRENT EQUIPMENT LOG SHEET FOR:
1.1.1. General trends
1.1.2. Previous Problems and work performed on previous PMS.
1.2. RUN AN EQUIPMENT HISTORY FOR THIS SPECIFIC PIECE OF EQUIPMENT
1.2.1. Check for reoccurring problems.
1.2.2. Check for excessive repairs
1.2.3. Check for unresolved or intermittent problems.
1.3. RUN EQUIPMENT ERROR RECORDS (IF APPLICABLE).
1.4. CHECK ANY SERVICE REPORTS THAT THE CUSTOMER MIGHT HAVE FROM THE MANUFACTURER
OR OTHER SERVICE VENDORS.
2. PRELIMINARY: This does not apply to two-wire and double-insulated equipment.
2.1. LEAKAGE CURRENT:
2.1.1. Chassis to Earth Ground (power-cord ground wire intact).
2.1.2. Chassis to Earth Ground (Open ground wire):
2.1.3. Ground Wire Resistance:
2.2. CLEAN EXTERIOR AND INTERIOR ACCESSORIES
2.3. VISUALLY INSPECT THE UNIT
2.3.1. all cords and cables
2.3.2. verify the viability of the strain relief,
2.3.3. Knobs and buttons condition.
3. Post notification of intent to Pm the unit. Give an appropriate length of time prior to servicing, if
applicable.
4. Contact customer to notify him of your arrival and post in the instrument's usage log, if
applicable.
5. Store changed settings Enter the following keystrokes: 1,4 <SECOND FUNCTION> <DIAG>. The
new settings will now be the default settings.
6. Clean exterior and interior accessories
6.1. Do Not Sterilize. May be cleaned by wiping with a dry cloth.
