BDS RD-3151 User manual

Service Manual
RD-3151
Rear Delivery Dr. Assistant with
Swivel Bar
Rev 3 - 6-17-19 900-105

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RD-3151
Installation Under Cabinet Mount
1. Place the shipping carton in the desired location. Remove the unit from the shipping
carton.
2. Remove the full sized mounting template from the service manual. Place in desired
location and mark four places to be drilled. We recommend the faceplate to be offset
inward 1/8" from the front of the counters edge.
3. Pre-drill a hole 1/2" deep using a 5/32" drill bit. Do not drill through the counter top
4. Slidetheunitapartbyseperatingthefaceplateassemblyfromthexedbodyas-
sembly.Withtheunitfullyextended,lineuptheouterchassisaligningtheholeswith
thepre-drilledholes.Placea1/4"HexScrewinonecornertolightlyfastenitusinga
3/8"HexDrive.Repeattheprocessuntilallfourscrewsareinstalled.Tightensecurly
making sure the face plate slides in and out freely.
5. Inserttheumbilicaltubinginrstandfollowwiththeunit.
6. Mount the holder bar with holders in desired location under counter top.
7. Installoptionalmastervalveassemblies,withlterandregulator,ontothemanual
shut-offvalves.(Pressuresarepresetatthefactory:80psiair,40psiwater).
8. Connect the supply tubings to the appropriate air and water supply lines.
Checkairpressure,adjustto80psiifnecessary.
Checkwaterpressure,adjustto40psiifnecessary.
Testhandpiecesforproperfunction.
Testsyringeforproperpressureandfunction.
Final
Adjustments
NOTE
This unit requires a regulated air and water supply.
Filters are highly recommended.

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2
RD-3151
Operation 1. Turnonthemasterswitchlocatedontherightsideofthefaceplate.
2. Thehandpieceisautomaticallyactivatedwhenliftedfromtheholder.
3. Depress the foot control to activate each handpiece. Pressure is shown on the gauge for
the handpiece being used.
4. Individual handpiece pressure adjustments are located on the autoblock inside the
unit.Toadjustthepressuretoeachhandpiece:
  a. Turnadjustmentscrewclockwise to decrease the handpiece pressure.
  b. Turnadjustmentscrewcounter-clockwise to increase the handpiece pressure.
5. Handpiece coolant water can be turned on or off with the toggle switch located in the
lower center of the faceplate.
6. Watercoolantowadjustmentislocatedtotherightofthewatercoolanttoggleswitch.
Thepurgeswitchushesfreshwaterthroughthewatercoolantsystem.Guidelinesfromthe
CenterforDiseaseControl(CDC)recommendsthateachhandpiecebeushed(purged)20to
30 seconds between patients and several minutes at the beginning of each day. Handpieces
must be removed from the holder to activate the purge system.
CAUTION
Whenadjustingthehandpiecepressure,donotover-
tighten the screws. Damage may result.
Control Panel RD-3151
Handpiece Purge
Handpiece Water
Flow Control Knobs
Purge
ToggleSwitch
Master Switch
Air Coolant
Water On/Off
Indicator

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Troubleshooting
Symptom
Possible Causes
Symptom
Possible Causes
Symptom
Possible Causes
Handpiece lacks power.
A. Impropersupplypressurefromcompressor(80psi).
B. Checkhandpiecepressureadjustmentonunit.
C. Airltermaybeplugged.
D. Pinched supply tubing.
E. Defectivehandpiecegasketatconnectionwithtubing.
F. Defective handpiece.
Water coolant does not shut off when foot control is released.
A. Adjustairpressureto80psi—waterpressureto40psi.
B. Footcontrolisnotexhausting.
C. Defective water relay valve.
More than one handpiece is operating.
A. Handpiece is not all the way in the holder.
B. Improperadjustmentonpilotvalveinthehandpieceholder.
C. Defective shuttle valve to gauge.
Insufcientwatercoolant.
A. Adjustcoolantowvalve.
B. Waterltermaybeplugged.
C. Handpiece may be plugged.
D. Pinched supply tubing.
E. Improperadjustmentofwaterrelayvalve
Water coolant is running from handpiece while in the holder.
A. Water pressure too high.
B. Air pressure too low.
C. Handpieceholderoutofadjustment.
Water coolant is running continuously.
A. Purgeswitchison(onapplicablesystems).
B. Water pressure to high.
C. Handpieceholderoutofadjustment.
D. Defective water relay valve.
Symptom
Possible Causes
Symptom
Possible Causes
Symptom
Possible Causes

44
REAR DELIVERY DR. ASSISTANT SWIVEL BAR
RD-3151
ITEM
1
2
3
4
5
PART DESCRIPTION
Syringe Holder. .......................................
Auto Holder.............................................
Pivoting Holder Bar 10 -1/2”..............
Rear Deliver Unit Head........................
Cabinet/Wall Holder Bar 8“................
PART NUMBER
141-100
122-100
105-177
3100-RD
105-170
QTY
4
3
1
1
1