Manual

Maintenance and Service 19
5 Maintenance and Service
Overview
Performing the recommended maintenance and service procedures increases the life of your DJ-2200 and
ensures high quality dispensing performance for every production run.
Maintenance Schedule
The recommended maintenance schedules for the DispenseJet are shown in Table 5-1 and Table 5-2. The
frequencies are based on the average production environment. Your production operations and environment
may differ.
Table 5-1 Routine Maintenance Schedule, Category A
Task Frequency Instructions
Look for evidence of jetting
performance fluctuations.
Daily
Check to ensure the desired original
settings are maintained.
Listen for hard-to-detect air leaks
and inspect for fluid leakage and
other abnormalities.
Weekly
If found, report leaks to production
supervision.
Purge or flush fluid system lines. Quarterly
See “Draining the Fluid Lines” later
in this section.
Purge and prime fluid lines when
changing dispensing fluid type.
As required between
different fluid applications.
See “Purging the DispenseJet” later
in this section.
Table 5-2 Preventive Maintenance Schedule, Category B
Task Frequency Instructions
Change or clean the nozzle and
nozzle nut.
Daily
See “Cleaning the Nozzle” later in
this section.
Complete Cleaning Service. Bi-Weekly or Quarterly
Review maintenance and service
records. See “Complete Cleaning”
later in this section.
Complete Overhaul Service. Annually
Review maintenance and service
records. See “Complete Overhaul
Service” later in this section.
Cleaning the Nozzle
The nozzle should be cleaned after approximately 8- to 10-hours of normal use. This may vary depending on
the type of fluid.
Tools and Material Needed
• Torque Wrench
• Nozzle Brush
• Air Gun
• Solvent