Belmont Clesta II User manual

DENTAL CHAIR
INSTALLATION
INSTRUCTIONS
IMPORTANT
This manual provides installation instructions for the BELMONT CLESTA-II.
The instructions contained in this booklet should be thoroughly read and
understood before attempting installation of chair.
After the installation has been completed, keep this manual in a safe place and
refer to it for future maintenance.

TABLE OF CONTENTS
Page
1. OVERALL VIEW AND MAJOR COMPONENTS-------------------------- 1
2. DIMENSIONS AND SPECIFICATIONS ------------------------------------- 2
3. INSTALLATION INSTRUCTIONS
3-1. UNPACKING ---------------------------------------------------------------- 3
3-2. INSTALLATIONS----------------------------------------------------------- 3
4. SPEED ADJUSTMENT---------------------------------------------------------- 9
5. HYDRAULIC DIAGRAM------------------------------------------------------ 10
6. ELECTRICAL DIAGRAM ----------------------------------------------------- 11

-1-
1. OVERALL VIEW AND MAJOR COMPONENTS
(12) Backrest Rear Cover
(13) Back Support Cover
(14) Upper Flange Cover
(15) Main Switch Panel
(16) Foot Control
(17) Base Cover
(18) Base Side Cover R
(19) Base Side Cover L
(1) Headrest
(2) Backrest
(3) Back Support
(4) Armrest (Left)
(5) Seat
(6) Flange
(7) Lower Flange Cover
(8) Flange Hose Cover
(9) Base
(10) Pump Cover
(11) Headrest Rear Cover
Major Components
2
4
3
1
5
6
7
8
9
16
10
11
12
13
14
7
16
15
10
17
2
4
3
1
5
6
7
8
18
16
10
19
11
12
13
14
7
16
[Standard Base]
[Compact Base]
Fig.1-1 Overall View

Seat Initial Height------------------------------- 410mm
Seat Lifting Stroke------------------------------ 380mm
Backrest Movement ---------------------------- 0˚ ~ 80˚ above Horizontal
Tilting Mechanism ------------------------------ Backrest Synchronized Tilting (5˚ ~ 1 1˚ above Horizontal)
Auto Movements-------------------------------- 2-Preset, 1-Last Position Memory and 1-Auto Return
Control Voltage---------------------------------- DC12V
Power Consumption ---------------------------- 115V, 50/60Hz, 5.1A/3.5A 220V, 50/60Hz, 1.8A/1.8A
230V
, 50Hz, 2.0A 240V , 50Hz, 2.3A
Net Weight --------------------------------------- 115 kg (Standard Base) 133 kg (Compact Base)
50˚
8˚
80˚
1105
410
178
11˚
5˚
565 1188 60
1813
60
255
600
630
510
225
610
170
1175
50˚
8˚
80˚
1105
410
178
11˚
5˚
578 60
1813
600
630
510
225
500
[Standard Base]
[Compact Base]
2. DIMENSIONS AND SPECIFICATIONS
2-1. DIMENSIONS (-mm-)
2-1. SPECIFICATIONS
-2-
Environmental Requirements
Usage environmental
Ambient Temperature : 0 to 40℃
Humidity : 10 to 95％
Atmospherical Pressure : 700 to 1060 hPa
Ambient Temperature : -20 to 70℃
Humidity : 10 to 95％
Atmospherical Pressure : 700 to 1060 hPa
Transportation / Storage environmental

CAUTION
3. CHAIR SECTION PREPARATION FOR INSTALLATIONS
3-1. CHAIR SECTION UNPACKING
The chair is delivered 2 cartons (base section and top section cartons).
Open the upper section carton and check the contents with following check list.
Do not use sharp instrument, it may damage upholstery.
Do not install on wet oor.
Check List for Upper Section Carton
1. Headrest Assembly --------------------------------------------------------------------------------------------- 1 set
2. Backrest Assembly---------------------------------------------------------------------------------------------- 1 set
(Backrest Cushion with Backrest Support Plate, Backrest Cover)
3. Seat Assembly --------------------------------------------------------------------------------------------------- 1 set
4. Armrest (Standard Type; Left Side only) -------------------------------------------------------------------- 1 set
5. Screw Kit
(1) M6 Wood Screw for Fixing Base (2 x L40, 2 x L55) (Standard Base) ------------------------------ (4 pcs.)
(2) M12 x 20 Set Screw for Base Level Adjustment-------------------------------------------------------- 4 pcs.
(3) M10 x 30 Set Screw for Level Adjustment Adapter ---------------------------------------------------- 4 pcs.
(4) M6 Screw, Flat washer and Armrest Collar for Armrest ----------------------------------------------- 1 set
(5) M6 x 20 Screw for Fixing Backrest Cushion and Seat ------------------------------------------------- 6 pcs.
(6) M6 Flat Washer for Fixing Seat --------------------------------------------------------------------------- 2 pcs.
(7) M8 x 20 Cap Bolt with Spring Washer for Back Support Plate--------------------------------------- 4 pcs.
(8) M5 x 12 Screw (White) for Flange Hose Cover and Pump Cover------------------------------------ 5 pcs.
(9) Hole Plug for Carriage Bar Hole -------------------------------------------------------------------------- 2pcs.
(10) Nylon Clamp with M5 Screw for Fixing Drain Hose------------------------------------------------- 1 set
(11) M5 x 15 Screw , Set Cap Washer and Set Cap Cover for Pump Cover----------------------------- 1 set
(12) M6 x 50 Wood Screw for Fixing Base (Compact Base) ---------------------------------------------- (6 pcs.)
(13) M5 x 10 Pan Head Screw for Base Cover, Base Side Cover (Compact Base) -------------------- (8 pcs.)
3-2. CHAIR SECTION PREPARATIONS FOR INSTALLATIONS
(1) Remove all the staples xing the carton to the pallet,
or cut the carton just above the stapled line, and
remove the carton. (Fig.3-1)
(2) Place the base section with pallet behind the planned
location for chair.
CAUTION
Fig.3-1 Chair Base Section Carton
Staples
1. Take care not to topple the equipment during transportation.
2. Do not drop or hit the product.
3. Conrm that the carriage bolt is tightened before carry the chair.
4. Chair must be xed to the oor with bolts to prevent from falling down.
5. Do not connect in the power supply line before removing Red tagged bolt.
6. Do not connect the power supply other than rated voltage.
7. Properly connect ground wires.
8. Adjust the leveling of the chair base plate, avoid the swing its self of the doctor table and the dental light.
9. When the installation process has been completed, verify that all the mechanical and electrical
functions are working properly.
10. Do not install on wet oor.
-3-

Fig.3-2 Removing Base Section from Pallet
(3) Remove the pump cover.
Remove wood screws from the base. Remove the base section from the pallet by holding the carriage bars
(Front side and Rear side) and place it at the planned location. (Fig.3-2)
Pump Cover
Wood Screw
Wood Screw
[Standard Base] [Compact Base]
CAUTION
Do not lift the chair by the upper structure after removing the carriage bolt (Red tagged bolt).
(4) Remove the rear side carriage bar from the base. (Fig.3-3a)
Note : The front side carriage bars can not remove.They are covered by the pump cover.
(5) Remove the carriage bolt (Red tagged bolt) from the support plate. (Fig.3-3a)(Fig.3-3b)
(6) Remove the red tagged oil plug from the oil reservoir. (Fig.3-3)(Fig.3-3b)
Mats
Mats
Mats
Mats
Carriage Bolt
(Red Tagged Bolt)
Support Plate
Oil Plug
Oil
Reservoir
Rear Side
Carriage Bar
Carriage Bolt
Support Plate
Oil Reservoir
Oil Plug
Fig.3-3a Fig.3-3b
[Standard Base] [Compact Base]
(7) After removing the carriage bolt, plug the power supply cable into suitable power supply outlet.
Raise the upper structure by the foot switch to the highest position.
Raise the backrest by the foot switch to the upright position.
Note : Refer to the operating manual for chair operation.
-3- -4-
Mats
Mats
Pump Cover
Pallet
Wood
Screw
Wood
Screw
Wood
Screw
Rear Side
Carriage Bar
Front Side
Carriage Bar

CAUTION
Fig.3-4 Removing Support Plate and Fixing Lower Flange Cover
Mats
Support Plate
Lower Flange
Cover
Mats
Mats
Mats
Wood
Screw
Wood
Screw
Carriage Bar
Hole Plug
Mats
Chair must be xed to the oor with bolts to prevent from falling down.
* For the wood oors, use the wood screw.
* For the concrete oors, use the anchor bolt. (Not supplied)
When xing chair to the oor, be careful not to damage pipings under the oor.
(8) Remove the support plate and x the lower ange cover under the ange. (Fig.3-4)
Note : Mount the Clesta-II unit on the chair before removing the support plate.
Refer to the Unit installation manual.
(9) Place the base on the planned location and x
the base to the oor with M6 wood screws.
Fix the hole plugs into the carriage bar holes on the
base. (Fig.3-5a)
Wood Screw
Wood Screw
Wood Screw
[Standard Base] [Compact Base]
Fig.3-5a
(9) Place the base on the planned location and x the
base to the oor with M6 x 50 wood screws. (Fig.3-5b)
Chair must be xed to the oor. Failure could cause damage or
physical injury.
WARNING
-5-
Fig.3-5b

Fig.3-6 Fixing Back Support Plate
Mats
Mats
Mats
Mats
Mats
Mats
Mats
Mats
Back Support
Plate
Back Support
M8x25 Cap Bolt
(10) Open the top section carton. Backrest cushion, backrest cover, headrest, armrest, seat and screw kit are packed
in top section carton.
(11) Fix the back support plate to the back support by 4 x M8 cap bolts and spring washers. (Fig.3-6)
(13) Attach the backrest cover to the backrest cushion. Insert upper two hooks of the backrest cover into the upper
xing holes of backrest.
Keep pressing the backrest cover against backrest cushion, slide down the backrest cover so that lower two
hooks catch the lower xing holes. (Fig.3-8)
(14) Attach the headrest. (Fig.3-8)
Fig.3-8 Fixing Backrest Cover and Headrest
Fig.3-7 Fixing Backrest Cushion
Mats
Mats
Mats
Mats
Backrest
Cushion
M5 x 25
Screw
Back Support
Plate
Mats
Mats
Mats
Mats
Attach Headrest
Backrest Cover
Backrest Cover
Fixing Hook
Backrest Cover
Fixing Hole
(12) Fix the backrest cushion to the back support plate by 4 x M5 screws. (Fig.3-7)
-5- -6-

Base side cover
(Left & Right)
M5x8 Pan Head Screw
M5x10
Pan Head Screw
Base cover
(17) Fix the base side cover (left and right) to the base plate with pan head screws (M5 x 8 and M5 x 10). (Fig.3-11)
(18) Place the base cover on the base plate. (Fig.3-12)
Fig.3-9 Fixing Seat
Mats
Seat Fixing
Plate
Seat Fixing
Plate Seat
M6 Screw
Seat
Fig.3-10 Fixing Armrest
Armrest
Collar
Flat Washer
M6 Screw
Armrest
Bracket
(15) Fix the seat to the chair base.
Hook the seat hooks under the seat xing plates on the chair base and secure the seat to the seat frame with
2 x M6 screws and at washers. (Fig.3-9)
(16) Fix the armrest to the armrest bracket with M6 screw, at washer and collar. (Fig.3-10)
[Compact Base]
Fig.3-12 Base Cover
Fig.3-11 Fixing Base Side Cover
[Compact Base]
-7-

(19) Fix the pump cover to the base with 3 x M5
screws. (Fig.3-13a)
Fig.3-13a Fixing Pump Cover
Mats
Mats
Pump
Cover
M5 Screw
M5 Screw
Note : Mount the Clesta-II unit on the chair, before xing the pump cover. Refer to the Unit installation manual.
After installation is completed, check all movement by following the operating manual.
-7- -8-
[Standard Base] [Compact Base]
(19) Attach the pump cover to the base. Fix the pump
cover and base cover to the base with two x M5 x 12
white truss screws. (Fig.3-13b)
Base cover
Pump Cover

4. SPEED ADJUSTMENT (Fig.4-1 and Fig.4-2)
Seat lowering speed and backrest reclining speed can be adjusted by the speed control knob
on the solenoid valve block..
The solenoid valve numbers and functions are shown in Fig.4-1.
A. Remove the pump cover.
The solenoid valve block is located on the left side at the front of the chair base.
Each speed control knob is located on the rear side solenoid valve block.
B. Loosen the lock nut for the speed control knob.
C. Turning the speed control knob clockwise to decrease the speed and turning
counterclockwise to increase the speed.
D. After adjustment, tighten the lock nut and reattach the pump cover.
The chair movement will be locked if the speed is reduced excessively.
Oil may leak from the speed control knob if the speed is increased excessively.
CAUTION
Fig.4-1 Solenoid Valve Numbers and Functions
Solenoid Valve Functions
SV1 : Seat Lifting
SV2 : Seat Lowering
SV3 : Backrest Raising
SV4 : Backrest Reclining
Fig.4-2 Speed Control Knobs on
Solenoid Valve Block
-9-
43
21
Lock Nut
Seat Lowering
Speed Control Knob (SV2)
Backrest Reclining
Speed Control Knob (SV4)

5. HYDRAULIC DIAGRAM
Fig.5-1 Hydraulic Diagram
-9- -10-
M
SV1
SV3 SV2SV4
Solenoid Valve Block
Motor Pump
Oil
Reservoir
Seat Elevation
Cylinder
Backrest
Cylinder
Accumulater
: Filter
: Check Valve
: Flow Adjustable
Solenoid Valve
: Solenoid Valve

6. ELECTRICAL DIAGRAM
-11-

-11-

1-1, 2-Chome, Higashi-shinsaibashi,Chuo-ku,Osaka,Japan
TEL : [phone] FAX : [phone]
TAKARA BELMONT CORPORATION
Printed in Japan 2017-12
BOOK NO. AEFT01EE