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12780 San Fernando Road, Sylmar, California 91342 | www.semcopackaging.com | Email: semcoinfo@PPG.com
9. Preventative maintenance (cont.)
Turn OFF/ON Switch to OFF and disconnect compressed air supply prior to opening any mixer panels.
Work should be done in non-hazardous area.
Quarterly (monthly for heavy usage) (cont.)
Inspect air motor muffler –
1. Remove front panel.
2. Remove muffler assembly on bottom of motor using
17mm Wrench and turning counterclockwise.
3. Inspect for contamination. Only a thin oil film should
be present; debris or black/brown coloration
indicates damage to the motor. Note that plastic ring is
on top of the metal muffler. Using cloth with IPA wipe
down the inner shaft and inside the metal muffler.
4. Re-install front panel.
Do not turn set screw at the end of the shaft, this will
affect the rpm of the mixer. After cleaning, re-calibration of
the spindle rpm may be needed.
Inspect under spindle and clean –
1. Use thin 19 mm wrench to hold the rotating bearing
underneath the engagement spindle in place.
2. Hold on to spindle with an adjustable wrench as shown.
(If there are no flat areas on the spindle, use the
engagement pins to loosen.)
3. Turn adjustable wrench counterclockwise to loosen and
remove.
Wipe area with clean cloth. IPA solvent is OK. When done,
lightly thread spindle back on shaft; do not overtighten,
regular use will tighten spindle appropriately.
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