Air Techniques AirStar 87352 Operating instructions

AirStar Preventive Maintenance Kits
Part Numbers:
87351, 87352, 87353, 87354, 87355 & 87356
Service Instructions
Introduction
This document provides the instructions necessary to install AirStar Preventive Maintenance Kits, part numbers 87351,
87352, 87353, 87354, 87355 and 87356. The kits cover all AirStar compressor units with a Membrane Dryer. Each
provide parts for the replacement of the compressor Air Intake Filter, Top Membrane Filter, Bottom Membrane
Filter and Bottom Membrane Filter Bowl with oat drain and associated O-rings in the Membrane Dryer. The
supplied replacement parts are listed and shown below. Figure 1 shows the location of the filters to be replaced.
Task Guidelines.
Personnel performing the replacement tasks should use standard industry guidelines for working on equipment as
necessary. These include the following:
qBefore starting any replacement procedure make sure that the kit to be used correctly matches the AirStar
model to be upgraded as listed below.
qKeep all attaching hardware and fastening screws together with the associated removed assembly.
Use separate storage containers or envelopes for each hardware group if necessary.
qPrior to removing any part or assembly, note location and orientation of assemblies being removed.
Important Information
Service Personnel All personnel servicing the AirStar must read and understand the Operator's Manual before
operating or performing any service of the unit. Only a trained technician from a qualified Air
Techniques dealer should perform any service.
Power Removal Never work on equipment connected to live power. Remove power by disconnecting mains
power to the unit prior to performing any replacement procedures.
Tank Pressure Prior to performing the replacement procedures, make sure to depressurize the storage tank.
DENTAL AIR SYSTEM
Compressor
Air Intake Filters
(1 each cylinder head)
Membrane
Dryer
Top
Membrane
Filter
Bottom
Membrane
Filter & Bowl
Figure 1. AirStar Filter Location
Preventive Maintenance Kits Supplied Components
Kit Part No 87351 87352 87355 87353 87354 87356
Component Part No. Qty Qty Qty Qty Qty Qty
Compressor Air Intake Filter 89938R 1 2 3 4 6 8
Top Membrane Filter 87366 1 1 1 1 2 2
Bottom Membrane Filter 87367 1 1 1 1 2 2
Bottom Membrane Filter Bowl 87362 1 1 1 1 2 2
Top Cover O-ring 87368 1 1 1 1 2 2
Filter Bowl O-ring 85529 1 1 1 1 2 2
AirStar Model Used On (See Note) AS10 &
AS12
AS21, AS22
& AS30 AS40 AS50 AS70 AS100
Note: Kits are used on all AirStar Model variations including International, NEO, NEO-INT and those with sound covers.
85529
87366
87368
89938R - See Table
for Kit Quantities
87362
87367

Compressor Air Intake Filter Replacement -
1. Using a slight twisting motion, carefully pull and remove the Compressor
Air Intake Filter with the sound reducer attached from the associated
compressor head. Discard the filter.
2. Install replacement Compressor Air Intake Filter onto the sound reducer.
Important: Use care when installing intake filter. The filter is made
of paper and can be damaged
3. Install the Compressor Air Intake Filter and sound reducer by carefully
inserting the filter into the compressor head.
Bottom Membrane Filter Replacement -
1. Remove the Filter Bowl from the Membrane Dryer assembly by
carefully turning the bowl counter clockwise.
2. Remove the Bottom Membrane Filter from the Membrane Dryer
assembly by pushing the filter in while turning a quarter turn counter
clockwise. Discard the filter.
3. With lter and bowl removed, turn system ON and allow to run for about
ten seconds. Shut system OFF and clean lter area.
4. Install the replacement Bottom Membrane Filter into the Membrane
Dryer as follows:
a. Align the four filter grooves with the four locking tabs inside the
Membrane Dryer.
b. Push in on the filter while turning a quarter turn clockwise.
5. Remove the Filter Bowl O-ring from the bottom threads of the
Membrane Dryer assembly and discard o-ring.
6. Install replacement Filter Bowl O-ring onto the Membrane Dryer.
7. Install the new Filter Bowl onto the Membrane Dryer by turning the bowl
clockwise until tight.
Top Membrane Filter Replacement -
1. Remove the Top Filter Cap from the Membrane Dryer assembly by
turning the cap counter clockwise.
2. Remove the Top Membrane Filter and discard.
3. With lter and cap removed, turn system ON and allow to run for about
ten seconds. Shut system OFF and clean lter area.
4. Install the replacement Top Membrane Filter by carefully inserting the filter
over the nozzle.
5. Remove the Top Cover O-ring from the Top Filter Cap and discard.
6. Install the replacement Top Cover O-ring onto the Top Filter Cap.
7. Secure the Top Filter Cap to the Membrane Dryer assembly by turning
the cap clockwise until tight.
Service Reset -
Once service has been successfully completed, reset the service counter.
Operational Check -Disconnect hose from tank check valve. Turn system ON and allow to run for about ten seconds, then
reconnect hose. Checking that the replacement AirStar compressor units with a Membrane Dryer Membrane Dryer are properly
installed and the AirStar under repair may be returned to service is easily accomplished by operating the compressor as normal
and verifying that the unit reaches Cut-Out pressure and then shuts off automatically.
Sound
Reducer
Compressor Air
Intake Filter
Compressor
Head
Membrane
Dryer
Assembly
© 2012 Air Techniques, Inc. •P/N 87365, Rev. J•August 2018
Air Techniques, Inc.
1295 Walt Whitman Road
Melville, New York, USA 11747- 3062
Website: www.airtechniques.com
Airstar: If equipped with a timer, press button on face of timer once to enter SVC DUE mode. Press and hold button for
six (6) seconds to reset the maintenance timer.
AirStar NEO: When operating with Technician level access, go to the Settings menu and select Service. Next select Service
Resets. Finally, press the Maintenance Performed icon to reset the maintenance timer.
Top
Membrane
Filter
Top Cover O-ring
Filter Bowl
Bottom
Membrane
Filter
Membrane
Dryer
Assembly
Filter Bowl
O-ring
Bottom
Membrane Filter