HEPRO Standard Series User manual

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
1
Hepro Standard
Hepro Coxit
Hepro Aktiv
Hepro Tilto
Hepro Tilto 24/7
Standing Support

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
2
Content
1.1. Type/ designation .................................................................................................................................................. 6
1.2 Technical specifications .......................................................................................................................................... 7
2. Work Descriptions .............................................................................................................................................................. 8
2.1 Replacecomponents ................................................................................................................................................. 8
2.1.1 FrontwheelcastersforWork-andCoxit-chairs(includingStandingsupportmod.S2) ............................................................................8
2.1.2 RearwheelcastersforWork-andCoxit-chairs(includingStandingsupport mod. S2).............................................................................8
2.1.3 Casters for Standing support chairs........................................................................................................................................................8
2.1.4. Brake bailbetweencasters-rearwheel(includingStandingsupportmod.S2) .................................................................................8
2.1.5 Gas spring for Work- and Coxit-chairs ....................................................................................................................................................8
2.1.6 Gas spring for Standing support chairs ...................................................................................................................................................9
2.1.7 Lifting Unit for Work- and Coxit-chairs ...................................................................................................................................................9
2.1.8 Lifting Unit for E1 and E2, Work- and Coxit-chairs ..................................................................................................................................9
2.1.9 Seat lift actuator forE2, Work- and Coxit-chairs ................................................................................................................................9
2.1.10 El.control box complete w/batteries...................................................................................................................................................9
2.1.11 Replace batteries in the el.control box .................................................................................................................................................9
2.1.12 Switch box complete with charger connection ..................................................................................................................................10
2.1.13 Wheel basecomplete ......................................................................................................................................................................10
2.1.14 Replace cushions................................................................................................................................................................................10
2.1.15 Replace ¼-footrest ..........................................................................................................................................................................10
2.1.16 Replace the brake bails ....................................................................................................................................................................10
2.2 Cleaning ................................................................................................................................................................. 11
2.3 Maintenanceroutines ............................................................................................................................................. 11
2.3.1 Periodic inspection...............................................................................................................................................................................11
2.3.2 Preparation forreuse ...........................................................................................................................................................................11
2.3.3 Adjustments associated with repair and maintenance ........................................................................................................................11
2.4 Feature Control and testing of product and accessories ........................................................................................... 12
2.5 Adjustments ........................................................................................................................................................... 13
2.5.1 Adjusting the seatheight......................................................................................................................................................................13
2.5.2 Adjusting the brake..............................................................................................................................................................................13
2.6 ElectricalEquipment ................................................................................................................................................ 13
2.6.1 System Structure ......................................................................................................................................................... 13

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
3
2.6.2 Charging the batteries onELEKTRO - models ...................................................................................................................................14
2.6.3 Electrical form ......................................................................................................................................................................................14
2.6.4 Wiring diagram for 9-pin contact..........................................................................................................................................................15
2.6.5 Troubleshooting on the ELEKTRO-models. ..........................................................................................................................................15
3 Parts Catalog .................................................................................................................................................................... 15
3.1 Structure ............................................................................................................................................................... 15
3.2 Split-drawings and photos ....................................................................................................................................... 15
3.2.1 Wheelbase complete Hepro Work Chair gas ..................................................................................................................................16
3.2.2 Wheelbase complete Hepro Work Chair E- Electric.............................................................................................................................17
3.2.3 Seat mechanism for Work-/Coxit-chairs and Standing support chairs ................................................................................. 18
3.2.4 Armrest.................................................................................................................................................................................................20
3.2.5 Seat / Backrest .....................................................................................................................................................................................21
4.0 Change log................................................................................................................................................................. 22

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
4
HEPRO –aid manufacturer
HEPRO is a Norwegian industrial company that develops, manufactures and sells technical aids for adults and children
with mobility impairment. The company was established in 1987 and has today about 30 employees. The company`s
head quarter and factory is located in Rognan, Nordland: Hepro AS, Øvermoan 9, 8250 Rognan, N-Norway. Phone +47
46 74 55 55.
Technical Service
Services are performed in the factory at Rognan, but also by partners in many parts of the country. Our sales
personnel are also trained in technical maintenance. By defect of the products or other queries, please contact your
distributor or importer.
Warranty
When used in accordance with the Operating Instructions and the User Reference Manual, Hepro provides a two-year
warranty against defects in material and workmanship. Please address warranty complaints or other inquiries about
the product to your distributer or importer. Always state the product`s serial number as a reference.
The product is designed, tested and produced in conformity to following regulations and requirements:
NS-EN 12182
Technical aids for disabled persons –General requirements and test methods”.
NS-EN 1335-1
Office work chair. Dimensions –Determination of dimensions.
NS-EN 1335-2
Office work chair. Safety requirements.
NS-EN 1335-3
Office work chair. Safety test methods.
EN 60601-1
Medical electric equipment Part 1: General requirements for safety.
EN 60601-1-2
Medical electric equipment Part 1: General requirements for safety –1 Collateral
standard: Electromagnetic compatibility –Requirements and test.
NS-EN 1021-1
Furniture –Assessment of the ignitability of upholstered furniture –part 1: Ignition
source: smouldering cigarette.
NS-EN 1021-2
Furniture –Assessment of the ignitability of upholstered furniture –part 1: Ignition
source: match flame equivalent.
93/42/EØF
marked. (Equipment class I)
NS-EN ISO 14971
Medical devices. Application of risk management to medical devices.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
5
Short product description
Hepro`s work chairs, Coxit-chairs and Standing support chairs covers a wide range of models and variants. They are tested and
approved in accordance with the NAV`s requirements. Permitted user weightismax.150kg. Standing support chairsistestedand
approvedforuserweightupto120kg.
The wheel base forthe workchairsand Coxit-chairsisfour armed and of cast aluminum. Itispainted with powdercoating, whichprovidesarobust
and durable surface. When designed the emphasis was to get best possible space infront of the wheelbase to simplify the transfer by«kicking»
oneself forward withthelegs. TotheStanding support chairs,oneusesa five-armedwheel base of cast aluminum.
Rear wheelsforworkchairsandCoxit-chairshavehandoperated central brake,whichlocksbothrolland rotation.Thecastersareofplastic,
anddesignedtobemostgentlytotheankles.
The lifting unit for work chair and Coxit-chairs are available in two models,manually seat lift with gas spring and electric seat liftwith
actuator. Both modes have regulation height of 100mm,150mm and 200mm, 150 as standard and 100 and 200 as accessories. The seat
height can be changed by further adjustment of the central unit`s mounting height (See section 2.5.1). Tothe Standing support chairs there are
several gas springs with different lengths.
The seatunit for the work chairs has four main models, Standard, Aktiv Tilto and Tilto 24/7. All ergonomically designedtoprovidethe
bestpossiblecomfort.Themodelshaveseveral variantsofseats and backrests. By combining these one canadjust the product to thegreat
majorityof users. Coxit seat withangle adjustable flapsisdeliveredtotheCoxit-model.Therearespecialseats(Sadel and Alternativ) tothe
Standing support chairs.
Seatcushions are“snapped” fastenedandcanberemovedwithouttoolswiththeexceptionoftheseat cushion “Aktiv”where the complete
seat is removed from the sliders.The Sadel seat has no loose cushion, but is delivered as a complete seat.
Backrest cushions are “snapped” fastened and can be removed without tools.
Regulations: Seat height, backrest height, angle adjustments of backrest and seat, adjust tilt function to body weight (Tilto), armrest height,
armrest width,armrestlength andthepositionofbrake handle. Can be done without the need of tools.
Adjustments: Seat height canbeadjusted beyond regulation without tools.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
6
1.1. Type/ designation
Item no.
Model
Description
HEPRO STANDARD:
30300
Hepro G2 Standard 10 M
Gas lift, w/ rotation
30302
Hepro G2 Standard 15 M
Gas lift, w/ rotation
30304
Hepro G2 Standard 20 M
Gas lift, w/ rotation
30350
Hepro E2 Standard 15 M
Electric lift, w/ rotation
30352
Hepro E2 Standard 20 M
Electric lift, w/ rotation
HEPRO AKTIV:
30311
Hepro G2 Aktiv 10 L
Gas lift, w/ rotation
30313
Hepro G2 Aktiv 15 L
Gas lift, w/ rotation
30315
Hepro G2 Aktiv 20 L
Gas lift, w/ rotation
HEPRO TILTO:
30321
Hepro G2 Tilto HR 10 M
Gas lift, w/ rotation, HR backrest
30323
Hepro G2 Tilto HR 15 M
Gas lift, w/ rotation, HR backrest
30325
Hepro G2 Tilto HR 20 M
Gas lift, w/ rotation, HR backrest
30356
Hepro E2 Tilto HR 15 L
Electric lift, w/ rotation, HR backrest
30357
Hepro E2 Tilto HR 20 L
Electric lift, w/ rotation, HR backrest
30320
Hepro G2 Tilto EHR 10 L
Gas lift, w/ rotation, EHR backrest
30322
Hepro G2 Tilto EHR 15 L
Gas lift, w/ rotation, EHR backrest
30324
Hepro G2 Tilto EHR 20 L
Gas lift, w/ rotation, EHR backrest
30366
Hepro E2 Tilto EHR 10 L
Electric lift, w/ rotation, EHR backrest
30358
Hepro E2 Tilto EHR 15 L
Electric lift, w/ rotation, EHR backrest
30359
Hepro E2 Tilto EHR 20 L
Electric lift, w/ rotation, EHR backrest
HEPRO COXIT:
30331
Hepro G2 Coxit 10 L
Gas lift, w/ rotation, coxit seat
30330
Hepro G2 Coxit 15 L
Gas lift, w/ rotation, coxit seat
30332
Hepro G2 Coxit 20 L
Gas lift, w/ rotation, coxit seat
30335
Hepro E2 Coxit 15 L
Electric lift, w/ rotation, coxit seat
30336
Hepro E2 Coxit 20 L
Electric lift, w/ rotation, coxit seat
HEPRO TILTO 24/7:
30363
Hepro G2 Tilto 24/7 10
Gas lift, w/rotation, EHR backrest, 24 h chair
30364
Hepro G2 Tilto 24/7 15
Gas lift, w/rotation, EHR backrest, 24 h chair
30365
Hepro G2 Tilto 24/7 20
Gas lift, w/rotation, EHR backrest, 24 h chair
30360
Hepro E2 Tilto 24/7 15
Electric lift, w/rotation, EHR backrest, 24 h chair
30361
Hepro E2 Tilto 24/7 20
Electric lift, w/rotation, EHR backrest, 24 h chair

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
7
1.2 Technical specifications
Measurements according to NS-EN 1335.
Standing support chairs
Measured
Unit
G2
Std M/L
E2
Std M/L
G2
Coxit L
E1/E2
Coxit L
G2
Tilto
M/L
E1/E2
Tilto
M/L
G2
24/7 L
E2
24/7 L
G2
Aktiv M/L
Seat height, 10 cm sleeve
cm
37-47
-
39-49
-
45-55
50-60
48-58
52-62
43-53
Extra adjustment, manual
cm
+7
-
+4
-
+4
+6
+7
+6
+4
Seat height, 15 cm sleeve
cm
42-57
47-63
43-58
48-63
49-64
53-68
52-67
56-71
44-59
Extra adjustment, manual
cm
+10
+10
+10
+10
+10
+10
+10
+10
+9
Seat height, 20 cm sleeve
cm
46-66
55-75
48-67
56-76
53-74
58-78
57-77
61-81
48-68
Extra adjustment, manual
cm
+10
+10
+10
+10
+10
+10
+10
+10
+10
Seat depth
cm
42 (46)
42 (46)
46
46
44-54
44-54
47-57
47-57
42-49
Seat size (BxD) M
cm
46x42
46x42
-
-
47x48
47x48
-
-
44x43
Seat size. (BxD) L
cm
48x46
48x46
48x46
48x46
47x48
47x48
49x52
49x52
46x46
Seat angle reg. backw.
°
-7
-7
-3,+8
-3,+8
-6
-6
-6
-6
-6
Seat angle reg. forw.
°
+25
+25
-3,+45
-3,+45
+10
+10
+10
+10
+9
Backrest hight reg.
cm
8
8
8
8
8
8
8
8
7
Backrest size (BxH) M
cm
40x36
40x36
-
-
44x51
44x51
-
-
37x29
Backrest size (BxH) L
cm
40x36
40x36
40x36
40x36
44x63
44x63
44x63
44x63
37x43
Backrest angle reg.
°
5,-48
5,-48
5,-48
5,-48
0,-28
0,-28
0,-28
0,-28
0,-23
Armrest size
cm
35x8
35x8
35x8
35x8
35x8
35x8
35x8
35x8
35x8
Armrest height reg.
cm
20-27
20-27
19-26
19-26
18-25
18-25
16-23
16-23
20-27
Width between armrest
cm
40-52
40-52
40-52
40-52
43-52
43-52
43-52
43-52
37-52
Wheel size, diam.
cm
10
10
10
10
10
10
10
10
10
Use weight, max
kg
150
150
150
150
150
150
150
150
150
Product weight
kg
26
29
27
30
37
40
40
43
26
Measured
Unit
S1
S2
S6
S9
S10
Seat Height
cm
51-69
49-62
54-72
54-72
54-72
Seat Size (BxD)
cm
41x38
41x38
41x38
35x32
41x38
Seat angle reg., backw.
◦
-14
-14
-14
-8
-14
Seat angle reg., forw.
◦
+18
+18
+18
+16
+18
Backrest height reg.
cm
10
10
10
10
10
Backrest size, (BxH)
cm
38x23
38x23
38x23
22x26
38x23
Backrest angle reg.
◦
7, -59
7, -59
7, -59
7, -59
7, -59
Wheel size, diam.
cm
-
10
5
5
5
User weight, max
kg
120
120
120
120
120
Product weight
kg
11
16
11
11
11

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
8
2. Work Descriptions
General
Never use other parts than those stated in the split images with corresponding item numbers in chapter 3.
If other parts are used, the product could loose its accreditation as an aid product. If for any reason one wants to
deviate from this rule, Hepro has to be contacted for review and possible approval.
2.1 Replace components
2.1.1 Front wheel casters forWork-andCoxit-chairs(includingStandingsupportmod.S2)
• Unscrew the screwthatlocksthecaster tothewheel base.
• Thecasterisnowloose and canbetaken out.Beawareofthedifferencebetweencastersfor front- and rear wheels.
• Assemble in reverse order.Tightenthe screw properly.
2.1.2 RearwheelcastersforWork-andCoxit-chairs(includingStanding supportmod.S2)
• Remove the brake bail as described in 2.1.4.
• Unscrew the screwthatlocksthecaster tothe wheel base.
• Thecasterisnowloose and canbetaken out.Beawareofthedifferencebetweencastersfor front- and rear wheels. (see section 3.).
• See 2.5.2 for adjusting the brake force.
• Afteradjusting,replacethecasterandthescrewandtightenproperly.
2.1.3 Casters for Standing support chairs
• Remove the casterbypulling itdirectlyout of its hole.
Assemble itby pushing the pin into the hole.
2.1.4. Brake bailbetweencasters-rearwheel(includingStandingsupportmod.S2)
• Activate the brake for easy working position.
• Unscrewthetwosetscrewsthatlockthebrakeleverwidthregulation,andremovethelever.
• Take away the metal bushing. (see sect.2.1.16).
• Unscrew the bolt that keeps the bails together.
• Thebrakebailsarenowapartand canbetaken away in two parts.
• Assemble in reverse order.
2.1.5 Gas spring for Work- and Coxit-chairs
• Disassembletheseatshell.FortheseatG2Aktiv,seesect.2.1.14.
• For Tilto,loosenthewireforseatliftandseatsliding.
• Loosen the rotation release or the rotation lock that keeps the central unit`s sliding tube to the seat mec han i sm .
• Remove the splint under the central unit, and the wheel base with the central unit can be removed.
• The gas spring is now accessible, and can be loosened by “lifting” the chair holding the gas spring and “strike”with a plastic
hammer against the seat mechanism in front ofthe gas spring.
• The gas spring is now loose and can be replaced with a new one. Don`t forget the color disc that indicates the force in the gas spring.
• Putthewheelbasewiththecentralunitbackinplace,andsetthesplintback.
• The rest assembly in reverse order.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
9
2.1.6 Gas spring for Standing support chairs
• Strike the wheelbase and the seat mechanism with a plastic hammer when lifting the chair by the gasspring.
• Thegasspringisnowlooseandcanbereplacedwith anewone.
• Assembling in reverse order.
Do not loosen the bushing fixed on the wheelbase with central brake on model S2.
2.1.7 Lifting Unit for Work- and Coxit-chairs
• Disassemble asforchanging the gas spring,see sect.2.1.5.
• Loosentheliftingunitfromthewheelbasebyunscrewing thelockbolt.
• Take away the lifting unit.
• Replace with a new lifting unit indesired height, and adjust correct according to the wheel base.
• Secure the lock bolt.
• The rest assembly as for the gas spring. (2.1.5).
2.1.8 Lifting Unit for E1 and E2, Work- and Coxit-chairs
•Disassemble as for changing seat lift actuator. (2.1.9).
•Loosen the lifting unit from the wheel base by unscrewing the lock bolt.
•Take away the lifting unit.
•Replace with a new lifting unit in desired height, and adjust correct according to the wheel base.
•Secure the lock bolt.
•The rest assembly, see sect. (2.1.9).
2.1.9 Seat lift actuator for E2, Work- and Coxit-chairs
• Disassemble the seat shell.
• ForTilto,loosenthe wireforseatliftandseatsliding.
• Loosen the rotation release or the rotation lock that keeps the central unit`s sliding tube to the seat mechanism.
• Disconnect the cable for the actuator from the el.control box and loosen it from the strip/protectionstocking.
• Unscrewthe boltw/2 Nord-Lockwashersunderthecentralunit.
• Nowthe wheel base withthecentralunitcanberemoved.
• The complete actuatorisnowaccessible. Unscrew the bolt onthe seat mechanismtop side aprox.5mm and strike with a plastic
hammer on the bolt to loosen the actuator from the seat mechanism.
• The actuator can now be taken away.
• Replacewithanewactuatorinthesamepositionas the old one.
• Replace the wheel base with the central unit, and secure the bolt with the two Nord- Lock washers. It is best touse blue Locktite.
• The rest assembly in reverse order.
2.1.10 El.control box complete w/batteries
• Disconnect thecables fromthe el.control box.
• Unscrewthetwoscrewsholdingtheel.controlboxbrackettothewheelbase.
• Loosen the box from the bracket (4 screws).
• Assemble in reverse order.
2.1.11 Replace batteries in the el.control box
• Disassemble as described in2.1.7.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
10
• Openthecoverontheel.controlboxbybendingthelockclipswithascrewdriver.
• Thebatteries,connectedwithcableterminals,arenowfreeandcanbedisconnected.Beaware of which is + and -.
• Assemble in reverse order.
2.1.12 Switch box complete with charger connection
• Disassembletheswitchboxfromtheseatshellandloosenpossibleclipsonthecable.
• Takeawaytheprotectionstockingaroundthecablefortheactuatorandtheswitch.
• Disconnect the switch cable from the el.controlbox.
• Connect a new switch cable, and test it.
• Assemble in reverse order.
2.1.13 Wheel basecomplete
• Unscrewthelockboltwhichsecures theliftingunittothewheelbase.
• Take away thecentral unitwiththe seatunit. Onthe modelE2 you mustalso disconnect the el.controlbox.
• Assemble in reverse order.
• Adjusttheliftingunitaccordingtoforwarddirectionofthewheelbase.
• Secure the lock bolt.
• Replace the bracket with the el.control box.
2.1.14 Replace cushions
For all models except mod. Aktiv, and Standing support:
• Remove thecushionbybendingitlooswithhandorwithhelpofaflatscrewdriver.
• Replace withanewornewlywashed cushion.Asnapsound is heardforeverysnaplock.
Formod.Aktiv theplastic shellsticks tothe cushion. The whole seatismoved forward o ut of the slider. A “tap” midst of the shell is held down
(with f.i.a flat screw driver) to release the seat from theslider.
The seats for standing support chairs have not loose cushions, but are delivered as complete seatsandmustbereplaced inits entirety.
They are fastenedtotheseatmechanism withfour screws.
2.1.15 Replace ¼-footrest
•Puttthechairinapositiontohaveeasyaccesstothefootrestmount.
• Unscrew the foot rest mount on both sides.
• Remove the ¼ foot rest.
• Assemble in reverse order.
2.1.16 Replace the brake bails
• Remove the brake lever.
• Bend the metal bushing and remove it.
• Loosen the screw and remove it.
• The brake bails can now betaken away and replaced.
• Themetalbushingcanbeputback,andthecorners bended again.
• Rest assembly in reverse order.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
11
2.2 Cleaning
Cleaning method
• Theproductsarenotdesignedtobewashedinautomaticwashingmachine!
• Cushionw/fabriccanbevacuumedorcleaned withspecial furniture cleaning solution. The fabric can be washed inwaterup to 60
°C.
• Oldanddirtycushions are recommended,of hygiene conditions,replacedwhenrecyclingthe chair.
• Electrical components must be wipedclean withadamp cloth,and mustneverbeexposedto flushing.
• Paintedframe andshelf can becleaned gently with a high-pressure washer after the electrical components are properly covered and
sealed”. It is important to check that the plastic cover that protects the top of the gas spring is in place.If not, corrosion will lead
to damage the gas spring.
• Afterflushing,theelectricalcomponentsmustbe“unpacked”beforetheproductissetdry.
• Casters/wheels must be cleaned for dirt and hair.Easiest way to do it is to seat in screw driver or a sharp plier.
Recommended detergents
• Forcleaningoffabricupholstery,usenormalupholsterycleaningsolution,soldinstores.
• If the cushion or fabric for cushion is washed, one must be careful with flushing all the detergentsoutofthePUR-foam,anddryit
properly.
• Onlacqueredsteelpartsandplasticshelfstrongsoapwatercanbeused.
• Ifhigh-pressurewashingisused,detergentdesignedforandapprovedforexteriorcleaningof car paint can be used.
• Afterhigh-pressurewashing,thechair`sjointandboltsmustbelubricated.
2.3 Maintenance routines
2.3.1 Periodic inspection
General
It is basically sufficient with an inspection when recycling.
PRODUCTS WITH SPECIAL LOADS
The product has no special need for periodic inspection, if it is a standard product used without particular or special loads.
Iftheproductisexposedtospecialloads,itwouldbeanadvantageforallthatineachcaseitwillbe establishednecessarymaintenance.Hepro
canofcoursebeofhelpwithadviceandguidance,ifwanted.
2.3.2 Preparation forreuse
Toensurethattheuserofaworkchairwillgetthebestandsafestpossibleaidwhenrecycling,itis important that the aid undergo a thorough
technical control and is properly cleaned before itis delivered to a new user. As a supplier webelieve that the control described in sect.2.4 is
sufficient to ensure safety and functionality.
Worn parts must be checked and replaced if they are considered to lead to reduced safety.
2.3.3 Adjustments associated with repair and maintenance
General
Check the following and if necessary, tighten or adjust:
• The lock bolt that secures theliftingunittothewheelbase.
• Thescrewsthatsecuretheseat-andbackrestshelltotheseatmechanism.
• The locking force for the seat angle adjustment.
• Thehandoperatedcentralbrake.
• The screws securingaccessories.
CASTERS / WHEELS

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
12
• Check securing and shafts andif necessary, tighten or adjust.
2.4 Feature Control and testing of product and accessories
Item no.:
Lifting unit 150 _200 _100 _……_
E_ Aktiv_ Standard_ Tilto_ Coxit_ Stand.support_
CONTROL:
CONTROL METHOD:
SPEC.:
Performed
SEAT UNIT
Backrest cushion, Type:
Visual
Backrest shell - plastic
Visual
Seat cushion, Type
Visual
Seat shell - plastic
Visual
Armrest, Type
Visual, Adjusted and tested
Seat mechanism, Type
Visual
Operate levers seat mechanism
Visual and tested
LI F TING UNI T w / gas s p r i ng
Complete
Visual and tested
Gas spring
Visual and tested
LI F TING UNI T w / el.ac t ua t or
Complete
Visual and tested
Actuator
Visual and tested
WHEEL BASE –4 armed
Wheel base
Visual
S e c ure bo lt w / o s la c k
Visual and tested
¼-Footring w/o damage
Visual and tested
Casters / knobs
Visual and tested
WHEEL BASE –5 armed
Wheel base
Visual
Casters / knobs
Visual and tested
ELEKTRO:
El.box
Visual, secured
Switch box
Visual and tested
Cables and plugs, undamaged
Visual
Secured against injury
FINAL CHECK
Noise and vibration
Tested
Appearance generally
Visual
Clean, undamaged
Product marking
Visual
Serial no., month/year
produced
Covers, undamaged
Visual
Complete product control
Tested
Accessories, comments
Serial no.:
Date:
Controlled by:

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
13
2.5 Adjustments
2.5.1 Adjusting the seatheight
Beyond the regulation of the gas spring oractuator the seat height canbeadjusted by adjusting the attachment point for the central unit:
• Tilt the chair to the back.
• Loosen the locking handle (B) -(counter clockwise).
• Central unitisnow loose and can beraised orlowered to desired position.
• Check that the seat unit isin line with the wheel base.
• Secure the locking handle (B)
2.5.2 Adjusting the brake
The force that locks the rear wheel when the brake is activated can be adjusted as follows:
1. Take away the brake lever (see sect. 2.1.16).
2. Unscrewthescrewthatsecurethecastertothewheelbase,andremoveit.
3. Thecaster cannowbetaken out of thewheelbase.Beaware of theredmarking position!
4. Turn the plastic nut on top of the caster,to the left or to the right,to change the brakeforce. Clockwise willincreasethe
forceandcounterclockwisedecreaseit.
Asastandardthe brakeisactivated by moving the brake lever forward. Byturning the whole caster180dgr.And mount it with thered
marking to the other side, the brake will be activated by moving the lever backwards.
5. Assembly in reverse order.
2.6 ElectricalEquipment
2.6.1 System Structure
General
All electrical components have cable and connector fixed. If something is wrong with the component, it is replaced
including cable and connector.
The diagram below shows schematic the electrical wiring and connections between the components. Detailed
information with description, item no. and numbers appears in sect. 3.
cabel cabel
Actuator
Switch box w/
contact for charger
El box w/battery and
built in stop function
for the actuator

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
14
El. Control Box
Inthe el.control box there are 2 pcs. 12V, 2,7 or2,9Ah batteries which are connected in series and gives 24V operation voltage.
The batteries are sealedlead-acid batteries, where theelectrolytic liquid is absorbedina mat ofglass fiber.Thismakesitpossibletoplacethe
batteriesinwhateverposition.
The el.control box has a built incircuit which disconnect the voltage tothe actuator when it reach its end position.
Battery Charger
The charger is amodelLinak CH 08, forlinevoltage 130V, 50Hz. Itis double isolated and approved by NEMKO (Certificate no. L91991).
C ha rgin g vol ta ge i s 2 7,6V D C + / - 2% . Ma xi mu m c ha rgin g c u rr ent i s 3 00mA . It i s r ec o mm en de d to carry outthechargingatnight.Thenthechair
willhaveupto8hoursofcharging.
2.6.2 Charging the batteries on ELEKTRO - models
Thebatteries MUSTbechargedwiththeincludedchargerthatprovides24V.Thechargerisconnectedto thesocketlocatedonthesameboxas
theswitchthatregulatestheseatheight.
Whenthebatteriesneed recharging,youwill hear a beep that indicates this. Thechargerstopscharging when the batteries are fully charged. The
batteries will not bedamaged if the charger isconnected for a time, after charging has been completed.
Itisgoodfor the batteries tobe charged regularly, preferable every day if thechair isindaily use.When thechairisnotinuse,itshouldbe
rechargedatleastonceamonth.
The seat can be raised or lowered during charging.
2.6.3 Electrical form
Charger plug
Switch
(Lift/Lower)
Actuator
=Plugg
BROWN (-)
El.control box w/batteries,
BLUE (Next to motor)
BROWN
=Bryterboks
ORANGE
RED (+)
GREEN (Up)

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
15
2.6.4 Wiring diagram for 9-pin contact
Theplug on thecablefrom the switch box is seen from the pin-side(not the solder side). It is
only the colors with fat types that are used on standard product.
“The female connector” on the el.control box is seen from outside.). It is only the colors with fat
types that are used.
2.6.5 Troubleshooting on the ELEKTRO-models.
General
It is important first of all to ascertain what in fact is wrong!
Since the product is modular built with “closed” cable connections and molded plugs, we recommend from experience the following:
• Test the product asfaras possible, and find the problem.
• Arethebatteriesfullycharged?Ifnot,chargethembeforefurthercontrol is accomplished.
• Theswitchboxisthecomponentmostexposedandisthefirsttobechecked.
• Based on thediagramshowingtheplugsontheel.controlboxthefollowingcanbetested::
o Check 24V DCbetween “Red” and “Brown”.
o Test the switch function by short-circuit the “Red” and “Green”. Then the chair shall og up.
o Correspondingtestbyshort-circuit “Red”and “Orangewillmakethechairgodown.
• If this works, it is the switch that is defect and must be replaced.
• If this does not work, it is the el.control box that is defect and has to be replaced.
3 Parts Catalog
3.1 Structure
General the products are built with the following main components.
• Wheel base.
•Lifting Unit.
• Seat Mechanism.
o Standard seats andBackrests togetherwithalternative accessories appears inthebrochure.
3.2 Split-drawings and photos
Stated in the following are descriptions and item numbers onthe components included in standard products.

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
16
3.2.1 Wheelbase complete Hepro Work Chair gas
Pos.
Description
Ant.
Hepro
Item.nr
-
Wheel base w/o casters
1
31741
0
Wheelbase
1
31152
1.1
Gas spring 100 compl w/o sleeve
1
32269
1.1
Gas spring 150 compl w/o sleeve
1
30579
1.1
Gas spring 200 compl w/o sleeve
1
30583
1.3
Central unit G100
1
31852
1.3
Central unit G150 Aktiv
1
31915
1.3
Central unit G150 Standard/Tilto
1
31850
1.3
Central unit G200
1
31851
1.4
Lock ring for gas sprin
1
70237
2
Caster, plastic w/o brake, wheel Ø100
2
31740
3
Caster, plastic w/ brake, wheel Ø100
2
31739
3
Caster, plastic w/o brake, wheel Ø75
2
31937
3
Caster, plastic w/ brake, wheel Ø75
2
31936
4
Brake bail complete
1
31548
4.1
Brake bail pair
1
31154
4.2
Bushing for brake lever
1
30548
4.3
Screw M5x50 W/cross mark
1
70130
4.4
Lock nut Nylock M5
1
70058
5
Brake lever, complete
1
31893
6
Unbraco screw, UBL M6x10
2
70145
7
Hold for footring, w/bushing an screw
2
30878
8
Footring, ¼ footring
1
30877
9
Unbraco screw, UBL M8x16
2
70154
10
Hold bolt, complete
1
31549
10.1
Lock handle APB79M8
1
80244
10.2
Screw 6-eck. M8x70
1
70090
10.3
Washer M8
1
70025

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
17
3.2.2 Wheelbase complete Hepro Work Chair E- Electric
Pos.
Descriptions
Ant.
Hepro
Item.nr
-
Wheelbase, complete w/o lifting unit and footring
1
31741
0
Wheelbase
1
31152
1.1
Actuator LA30.3L-100 Std. w/conus
1
61672
1.1
Actuator LA30.3L-150 Std. w/conus
1
61670
1.1
Actuator LA30.3L-200 Std. w/conus
1
61669
1.2
Central unit E100
1
31857
1.2
Central unit E150
1
31855
1.2
Central unit E200
31856
2.1
Actuator LA30.3L-100 Std. w/conus
1
61789
2.1
Actuator LA30.3L-100 Std. w/conus
61672
2.1
Actuator LA30.3L-100 Std. w/conus
61790
C
Lock disc M8 Nord-Lock
2
70003
D
Hex. screw M8 x 35, fully tread
1
70100
E
Hex. screw M10 x 16
1
70097
F
Washer 10,5 x 40 x 2
2(3)
70250
G
Washer 27 x 50 x 4
2
70249
2-10
See Sect. 3.2.1.
-
-
12
El.control box w/battery CB8001A40-00
1
31408
12.1
El.control box w/o battery CB08-1A-40-24
1
61680
12.2
Batteries FG 20271, 2 pcs 12V/2,7Ah
1
60022
Battery charger, Fladd CH08 220V
1
60504
13
Switch box complete w/cablel L120
1
31954
14
Bracket for el.box, 2004
1
31407
15
Screw self-tread ELM 6x20 Torx
2
70224

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
18
3.2.3 Seat mechanism for Work-/Coxit-chairs and Standing support chairs
Standard (for G/E std. And G/E Coxit)
Pos.
Description
Ant.
Hepro
Item.nr
1
Seat mechanism 3A G2,
For left operation G2/E2
1
31149
30616
3
Rotation release, G2 std., complete
30627
4
Unbraco screw M8 x 16
2
70150
5
Seat mechanism 3A E1/E2
1
31409
6
Rotation release, E2 std., kompl.
1
31365
7
Unbraco screw, M8 x 16
3
70150
8
Gas spring for backrest on 3A mechanism
1
30590

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
19
TILTO (til G/E Tilto og G/E Tilto 24/7)
AKTIV
Pos.
Description
Ant.
Hepro
Item.nr
Lifting unit Aktiv 150 complete w/seat mechanism
1
31547
Rotation release Aktiv
For left operation Aktiv
1
31904
32127
Pos.
Description
Ant.
Hepro
Item.nr
1
1
Seat mechanism G/E Tilto, complete w/ sliding rail
Seat mechanism G/E Tilto 24/7, complete
1
1
31894
32030
2
Rotation release, E2 Tilto, complete
1
31386
3
Rotation release, G2 Tilto, complete
1
30856
Hex screw M6 x 12 –til 30856
2
70098
Unbraco screw, M8 x 16 - til 31386
2
70150
1
2
3

SERVICE MANUAL for
Work Chairs, Coxit-chairs and Standing support chairs
20
3.2.4 Armrest
Armrest Comfort
Armrest Royal
Pos.
Description
No.
Hepro Item no
1
Armrest Comfort 2004 Right
1
31593
1
Armrest Comfort 2004 Left
1
31594
2
Armrest Royal Right
1
31689
2
Armrest Royal Left
1
31690