Stryker Nara 4402-109-002 User manual

NNäärraa®® HHoossppiittaall BBaassssiinneett
MMaaiinntteennaannccee MMaannuuaall
4402-000-001
4402-000-002
EN
4402-109-002 Rev AA.1 2022-10

TTaabbllee ooff CCoonntteennttss
Warning/Caution/Note Definition ..............................................................................................................................2
Pinch points............................................................................................................................................................2
Introduction for service .............................................................................................................................................3
Expected device life ................................................................................................................................................3
Contact information.................................................................................................................................................3
Serial number location.............................................................................................................................................3
Unit number............................................................................................................................................................4
Preventive maintenance ...........................................................................................................................................5
Service ......................................................................................................................................................................6
Upper cradle replacement........................................................................................................................................6
Lower cradle replacement........................................................................................................................................8
Push bar replacement ...........................................................................................................................................12
Caster replacement...............................................................................................................................................15
Drawer slide replacement ......................................................................................................................................16
Gas cylinder replacement ......................................................................................................................................17
Base cover replacement........................................................................................................................................20
Top level assembly - 4402-100-001 .......................................................................................................................22
Bassinet assembly - 4402-010-001 ........................................................................................................................23
Base assembly - 4402-001-001..............................................................................................................................25
Top level assembly, International - 4402-100-002 .................................................................................................28
Bassinet assembly, International - 4402-010-009..................................................................................................29
Base assembly, International - 4402-001-007 .......................................................................................................31
Cabinet-drawer assembly - 4402-050-001 .............................................................................................................34
Drawer assembly - 4402-050-002 ..........................................................................................................................35
Document holder assembly - 4402-050-007 ..........................................................................................................36
Cradle assembly - 4402-010-002 ...........................................................................................................................37
4402-109-002 Rev AA.1 1 EN

WWaarrnniinngg//CCaauuttiioonn//NNoottee DDeeffiinniittiioonn
The words WWAARRNNIINNGG,CCAAUUTTIIOONN, and NNOOTTEE carry special meanings and should be carefully reviewed.
WWAARRNNIINNGG
Alerts the reader about a situation which, if not avoided, could result in death or serious injury. It may also describe
potential serious adverse reactions and safety hazards.
CCAAUUTTIIOONN
Alerts the reader of a potentially hazardous situation which, if not avoided, may result in minor or moderate injury to the
user or patient or damage to the product or other property. This includes special care necessary for the safe and effective
use of the device and the care necessary to avoid damage to a device that may occur as a result of use or misuse.
NNoottee -- Provides special information to make maintenance easier or important instructions clearer.
PPiinncchh ppooiinnttss
EN 2 4402-109-002 Rev AA.1

IInnttrroodduuccttiioonn ffoorr sseerrvviiccee
This manual assists you with the service of your Stryker product. Read this manual to service this product. This manual
does not address the operation of this product. See the Operations Manual for operating and use instructions. To view your
Operations Manual online, see https://techweb.stryker.com/.
EExxppeecctteedd ddeevviiccee lliiffee
The NNäärraa Hospital Bassinet has a five year expected service life under normal use conditions and with appropriate periodic
maintenance.
CCoonnttaacctt iinnffoorrmmaattiioonn
Contact Stryker Customer Service or Technical Support at: 1-800-327-0770.
Stryker Medical
3800 E. Centre Avenue
Portage, MI 49002
USA
To view your operations or maintenance manual online, see https://techweb.stryker.com/.
Have the serial number (A) of your Stryker product available when calling Stryker Customer Service or Technical Support.
Include the serial number in all written communication.
SSeerriiaall nnuummbbeerr llooccaattiioonn
You can find the serial number inside the cabinet (A), opposite the chart holder (Figure 1).
4402-109-002 Rev AA.1 3 EN

A
FFiigguurree 11 –– SSeerriiaall nnuummbbeerr llooccaattiioonn
UUnniitt nnuummbbeerr
Have the unit number of your basket (A) or mattress (B) available when calling Stryker Customer Service or Technical
Support. Include the unit number in all written communication.
A
B
EN 4 4402-109-002 Rev AA.1

PPrreevveennttiivvee mmaaiinntteennaannccee
Remove product from service before you perform the preventive maintenance inspection. Check all items listed during
annual preventive maintenance for all Stryker Medical products. You may need to perform preventive maintenance checks
more often based on your level of product usage. Service only by qualified personnel.
Inspect the following items:
All fasteners are secure
Chart holder for damage
All four casters swivel
All four casters are free of wax and debris
All mechanisms operate
Two basket retention pins and tilt bar retainer are intact and secure
Retractable work surface is intact and secure
Basket tilt bar is intact
Drawers are intact and slide
Push handles
Height adjustment bars
Bassinet raises and lowers
Mattress for rips, tears, punctures, wear
Base cabinet for cracks or damage
Labels for legibility, proper adherence, and integrity
Product serial number:
Completed by:
Date:
4402-109-002 Rev AA.1 5 EN

SSeerrvviiccee
UUppppeerr ccrraaddllee rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 3/16” hex wrench
• 3/8” nut driver
• T20 Torx driver
• Torque screwdriver (in-lb)
• Pick
PPrroocceedduurree::
1. Apply the brakes.
2. Remove the basket from the product.
3. Using a 3/16” hex wrench, remove the two yellow basket pivot pins (W and Y) from the upper cradle (Figure 2). Save the
pivot pins.
FFiigguurree 22 –– UUppppeerr ccrraaddllee
4. Open the top and bottom drawer and look through the cutout under the trend catch (AA) (Figure 2).
EN 6 4402-109-002 Rev AA.1

Torque item AR
to 11 ± 4 in-lb
FFiigguurree 33 –– BBaasskkeett ttrreenndd ccaattcchh
5. Using a 3/8” nut driver, remove the two nuts (AB) that secure the basket trend catch (AA) to the upper cradle. Save the
nuts.
6. Using a pick, remove the 12 cradle fastener cover labels from the bottom outside edge of the lower cradle.
NNoottee -- When you install the upper cradle (A), affix the 12 cradle fastener cover labels (B) (Figure 4).
4402-109-002 Rev AA.1 7 EN

FFiigguurree 44 –– UUppppeerr ccrraaddllee
7. Using a T20 Torx driver, remove the 12 screws that secure the upper cradle to the lower cradle. Save the screws.
NNoottee -- When reinstalling the 12 screws, use a torque screwdriver to torque the screws installed in step 7 to 11 +/- 4 in-
lb.
8. Grasp both sides of the upper cradle (U) and pull up until the upper and the lower cover separate (Figure 2).
9. Remove and discard the upper cradle.
10.Reverse steps to install.
NNoottee -- When you install the upper cradle (A), affix the two new NNäärraa logo labels (C) (Figure 4).
11.Verify proper operation before you return the product to service.
LLoowweerr ccrraaddllee rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 3/16” hex wrench
• 3/8” nut driver
• 1/8” hex wrench
• 5/32” hex wrench
• Pick
• T15 Torx driver
• T20 Torx driver
• T25 Torx driver
• Torque screwdriver (in-lb)
• Rubber hammer
PPrroocceedduurree::
1. Apply the brakes.
EN 8 4402-109-002 Rev AA.1

2. Remove the basket from the product.
3. Using a 3/16” hex wrench, remove the two yellow basket pivot pins (W and Y) from the upper cradle (Figure 5). Save the
pivot pins.
FFiigguurree 55 –– UUppppeerr ccrraaddllee
4. Open the top and bottom drawer and look through the cutout under the basket trend catch (AA) (Figure 5) and (Figure
6).
Torque item AR
to 11 ± 4 in-lb
FFiigguurree 66 –– BBaasskkeett ttrreenndd ccaattcchh
5. Using a 3/8” nut driver, remove the two nuts (AB) that secure the basket trend catch (AA) to the upper cradle (Figure 6).
Save the nuts.
6. Using a pick, remove the 12 screw covers from around the bottom outside edge of the lower cradle. Discard the covers.
4402-109-002 Rev AA.1 9 EN

7. Using a T20 Torx driver, remove the 12 screws that secure the upper and lower cradles. Save the screws.
NNoottee
• When reinstalling the 12 screws, use a torque screwdriver to torque the screws installed in step 7 to 11 +/- 4 in-lb.
• After you install the 12 screws, affix the cradle fastener cover labels.
8. Grasp both sides of the upper cradle (U) and pull up until the upper cradle and the lower cradle separate.
9. Remove the upper cradle.
10.Using a T15 Torx driver, remove the two screws (J) and two washers (H) that secure both columns to each valance
bracket (Figure 7). Save the screws and washers.
NNoottee -- Lower the unit to the lowest height to help minimize the column dropping.
11.Using a 1/8” hex wrench, remove the eight screws (F and G) that secure the column and drawer assembly to the top
cradle bracket (Figure 7). Save the screws.
NNoottee -- The entire column and drawer assembly should now rest on top of the base cover.
FFiigguurree 77 –– CCoolluummnn aanndd ddrraawweerr aasssseemmbbllyy
12.Pull the workspace tray out.
EN 10 4402-109-002 Rev AA.1

13.Using a T25 Torx driver, remove the screw (R) and spacer (P) that stop the workspace tray (T) (Figure 8). Save the
screw and spacer.
14. Remove the workspace tray and set aside.
15.Using 5/32” hex wrench, remove the four screws (E) and washers (D) from each cylinder bracket that secure the
cylinder to the top cradle bracket (Figure 8). Save the screws and washers.
FFiigguurree 88 –– CCyylliinnddeerr bbrraacckkeett
NNoottee -- Add LLooccttiittee ® blue threadlocker to a minimum of three threads on item L.
16.Using a rubber hammer, strike the top cradle bracket near the cylinder to disengage the bracket from the cylinder top.
Repeat on opposite side.
17.Using a workbench or table, flip the top assembly upside down.
18.Using a 1/8” hex wrench, remove the two screws (AL) that secure each release handle to the top cradle bracket (Figure
9). Save the handle and screws.
19. Using a T15 Torx driver, remove the six screws (AP) and washers (AN) that secure the two valance brackets (Figure 9).
Save the screws and washers.
4402-109-002 Rev AA.1 11 EN

Torque item AR
to 11 ± 4 in-lb
FFiigguurree 99 –– RReelleeaassee hhaannddllee
20.Working from one side of the assembly, pull up on the lower cradle.
21.Remove and discard the lower cradle.
22.Reverse steps to install the new lower cradle.
23.Verify proper operation before you return the product to service.
PPuusshh bbaarr rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 1/8” hex wrench
• T15 Torx driver
• 1/2” speed ratchet
•LLooccttiittee® blue threadlocker
PPrroocceedduurree::
1. Apply the brakes.
2. Remove the cradle top cover. See
Upper cradle replacement (page 6).
3. Using a 1/8” hex wrench, remove the eight screws (G) and washers (F) that secure the column and drawer assembly to
the top cradle bracket (Figure 10). Save the screws and washers.
EN 12 4402-109-002 Rev AA.1

FFiigguurree 1100 –– CCoolluummnn aanndd ddrraawweerr aasssseemmbbllyy
NNoottee -- Lower the unit to the lowest height to help reduce column drop.
4. Using a T15 Torx driver, remove the eight screws (D) and washers (C) that secure both columns to each valance
bracket (Figure 10). Save the screws and washers.
NNoottee -- The entire column and drawer assembly should rest on top of the base cover.
4402-109-002 Rev AA.1 13 EN

5. Using a T15 Torx driver, remove the six screws (AP) and washers (AN) that secure two valance brackets to the cover
(Figure 11). Save the screws and washers.
FFiigguurree 1111 –– VVaallaannccee bbrraacckkeettss
6. Using a 1/2” speed ratchet, remove the four screws (L) and washers (K) that secure the push bar to the cradle bracket
(Figure 12). Save the screws and washers.
EN 14 4402-109-002 Rev AA.1

FFiigguurree 1122 –– PPuusshh bbaarr
NNoottee
• Pull down on the corner of the cradle bottom cover to for access to the screws.
• During reinstall, add LLooccttiittee® blue threadlocker to a minimum of three threads on item L.
7. Remove and discard the push bar.
NNoottee -- Remove and save the two rubber sleeves from the push bar.
8. Reverse to install.
9. Verify proper operation before you return the product to service.
CCaasstteerr rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 5/16” hex driver
• 3/8” drive ratchet
• Small jack
• Torque wrench ft-lb
PPrroocceedduurree::
1. Apply the brakes.
2. Place a small jack near the caster to be replaced.
3. Using a 3/8” drive ratchet and 5/16” hex driver, remove the bolt (N) and caster (K, L, M) (Figure 13) assembly from the
base weldment. Discard the caster assembly.
4402-109-002 Rev AA.1 15 EN

Torque item N
to 35 - 45 ft-lb
Torque item N
to 35 - 45 ft-lb
Torque item N
to 35 - 45 ft-lb
Torque item N
to 35 - 45 ft-lb
FFiigguurree 1133 –– BBaassee wweellddmmeenntt
4. Reverse to install.
NNoottee -- Torque item N to 35 – 45 ft-lb when you install.
5. Verify proper operation before you return the product to service.
DDrraawweerr sslliiddee rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• T15 Torx driver
• T10 Torx driver
• 5/16” wrench
PPrroocceedduurree::
1. Apply the brakes.
2. Pull open the drawer.
3. Using a T10 Torx driver and 5/16” wrench, remove the two screws that secure the drawer slide to the drawer. Save the
screws.
4. Using a T15 Torx driver, remove the screws (E) and washers (D) that secure the drawer slide to the column (Figure 14).
Save the screws and washers.
EN 16 4402-109-002 Rev AA.1

FFiigguurree 1144 –– DDrraawweerr sslliiddee aanndd ccoolluummnnss
5. Open the same drawer from the opposite side and repeat step 4.
6. From the open drawer, pull the drawer slide tab out of the drawer.
7. Open the same drawer from the opposite side and repeat step 6.
8. Remove and discard the entire drawer slide assembly.
9. Reverse to install.
10.Verify proper operation before you return the product to service.
GGaass ccyylliinnddeerr rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 1/8” hex wrench
• 3/16” hex wrench
• 5/32” hex wrench
• T15 Torx driver
• Rubber hammer
• Needle nose pliers
PPrroocceedduurree::
1. Using a 1/8” hex wrench, remove the eight screws (G) and washers (F) that secure the column and drawer assembly to
the top cradle bracket (Figure 15). Save the screws and washers.
4402-109-002 Rev AA.1 17 EN

FFiigguurree 1155 –– CCoolluummnn aanndd ddrraawweerr aasssseemmbbllyy
NNoottee -- Lower the unit to the lowest height to help minimize the column dropping.
2. Using a T15 Torx driver, remove the eight screws (E) and washers (D) that secure both columns to each valance
bracket (Figure 16). Save the screws and washers.
NNoottee -- The entire column and drawer assembly should now rest on top of the base cover.
EN 18 4402-109-002 Rev AA.1