Engler DRILL-AIRE PLUS - Prophy Angle Cleaning and Maintenance Instructions

PROPHY ANGLE CLEANING AND MAINTENANCE INSTRUCTIONS USING PROPHY WRENCH
The Prophy Angle is a precision engineered dental device. all gear and shaft assemblies are made
of high grade stainless steel which must be kept free of debris. If cleaned and lubricated correctly will
provide long, trouble-free service. The manufacturer recommends replacing Prophy Angles at least
every 3 to 4 months depending on use. Prophy Angles may vary. Use the following instructions
accordingly. Wrenches for servicing the prophy angle are no longer supplied. See the following
pages for service and maintenance instructions using standard pliers.
DAILY CLEANING AND LUBRICATION:
1.) Remove prophy angle from low speed handpiece.
2.) Discard used rubber cup.
3.) Remove head cap by turning counterclockwise to
unscrew the knurled nut with the wrench provided.
4.) Wash the cap and head cavity thoroughly with a
toothbrush in a bowl of warm soapy water.
5.) Rinse thoroughly with running water and shake off
excess water.
6.) DO NOT attempt to dry this part with paper or
cotton towels / swabs or gauze. Any particles left
on the gears will keep them from turning properly.
Use only alcohol to speed the drying process and /
or a blow dryer to thoroughly dry the angle.
7.) Lubricate by placing one drop of mineral oil on the
gears of the head cap and a drop inside the gear
cavity.
8.) Being careful not to cross-thread, reassemble the
prophy angle and wipe off all excess oil. Place a
new rubber cup onto the head cap and confirm that
the gears are meshing properly by rotating the cap
– it should turn easily. If not, remove and try again.
DO NOT use the wrench, only finger tighten.
9.) Slide the prophy angle onto the handpiece and lock
the handpiece.
1.) Remove prophy angle from low speed handpiece.
2.) Discard used rubber cup.
3.) Use the wrench to remove the cap from the head.
4.) Turn clockwise to unscrew the head (top portion)
from the body (bottom portion).
5.) Place the cap, head and body into a bowl of hot
soapy water.
6.) Wash thoroughly with a toothbrush.
7.) Rinse well with running water and shake off. DO
NOT attempt to dry these parts with paper or cotton
towels / swabs or gauze. Any particles left on the
gears will keep them from turning properly. Use
only alcohol to speed the drying process and / or a
blow drier to thoroughly dry the angle.
8.) Lubricate by placing one drop of mineral oil on
each gear (see diagram).
9.) Being careful not to cross-thread, reassemble the
prophy angle and wipe off all excess oil.
Place a new rubber cup on the onto the cap and
confirm that the gears are meshing properly by
rotating the cap – it should turn easily. If not,
remove the cap and try again.
10.) Slide the prophy angle onto the handpiece and lock
the handpiece.
GEARS
(OIL HERE)
WRENCH
HEAD
CAP
BODY
HEAD
CAVITY
GEARS
CAP
WRENCH
CAP
KNURLED
NUT
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