Section 4 Inspection; Visual Check; Clean The Instrument; Clean The Cell Compartment - Hach DR300 Service Manual

Section 4

4.1 Visual check

4.2 Clean the instrument

4.3 Clean the cell compartment

Inspection
Examine the parts that follow for damage or scratches:
• Housing upper and lower part
• Seal
• Battery cover
• Display window
• Keypad
• Cell compartment
• Springs into the cell compartment
Replace scratched or damaged parts if necessary.
This inspection task is also available as a service video on HSO. HSO full access
requires login credentials. First log into HSO and afterwards click on
https://support.hach.com/app/answers/answer_view/a_id/1024331. Select the desired
service video.
Note: Following hyperlink without being logged will end in a permission denied information
screen.
Clean the exterior of the instrument with a moist cloth and a mild soap solution and then
wipe the instrument dry as necessary.
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the
personal protective equipment appropriate to the chemicals that are handled. Refer to the
current safety data sheets (MSDS/SDS) for safety protocols.
Items to collect:
• Distilled water
• Lint-free cloth
• Compressed air (oil free)
Based on the degree of contamination, clean the cell compartment:
• Use air to blow out dust.
• Use a lint-free cloth with a soft surface to wipe out dust and deposits.
• Moisten a lint-free soft cloth with distilled water. Use this damp cloth to wipe out
deposits.
This inspection task is also available as a service video on HSO. HSO full access
requires login credentials. First log into HSO and afterwards click on
https://support.hach.com/app/answers/answer_view/a_id/1024331. Select the desired
service video.
Note: Following hyperlink without being logged will end in a permission denied information
screen.
C A U T I O N
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