Stryker Nara 4402 User manual

NNäärraa®® HHoossppiittaall BBaassssiinneett
MMaaiinntteennaannccee MMaannuuaall
4402-000-001
4402-000-002
EN
4402-009-002 Rev AB.1 2021-11

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
Cradle top cover removal/replacement .....................................................................................................................6
Cradle bottom cover replacement.............................................................................................................................7
Push bar replacement ...........................................................................................................................................10
Caster replacement...............................................................................................................................................13
Drawer slide replacement ......................................................................................................................................14
Gas cylinder replacement ......................................................................................................................................15
Base cover replacement........................................................................................................................................18
Top level assembly - 4402-100-001 .......................................................................................................................20
Bassinet assembly - 4402-010-001 ........................................................................................................................21
Base assembly - 4402-001-001..............................................................................................................................23
International top level assembly - 4402-100-002 ...................................................................................................26
International bassinet assembly - 4402-010-009 ...................................................................................................27
International base assembly - 4402-001-007 .........................................................................................................29
Cabinet-drawer assembly - 4402-050-001 .............................................................................................................32
Drawer assembly - 4402-050-002 ..........................................................................................................................33
Document holder assembly - 4402-050-007 ..........................................................................................................34
Cradle assembly - 4402-010-002 ...........................................................................................................................35
4402-009-002 Rev AB.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 4402-009-002 Rev AB.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).
4402-009-002 Rev AB.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 4402-009-002 Rev AB.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:
4402-009-002 Rev AB.1 5 EN

SSeerrvviiccee
CCrraaddllee ttoopp ccoovveerr rreemmoovvaall//rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 3/16” Hex wrench
• 3/8” Nut driver
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) (Figure 2) from the top cover. Save the
pivot pins.
FFiigguurree 22 –– CCrraaddllee ttoopp
4. Access the nuts (AB) (Figure 3) that secure the basket trend catch (AA) to the top cover. Open the top and bottom
drawer and look through the cutout directly underneath the trend catch (AA).
EN 6 4402-009-002 Rev AB.1

FFiigguurree 33 –– BBaasskkeett ttrreenndd ccaattcchh
5. Using a 3/8” nut driver, remove the two nuts (AB) that secure the trend catch (AA). Save the nuts.
6. Grasp both sides of the top cover cradle (U) and pull up until the bottom and the top cover VVeellccrroo® separate.
7. Remove and discard the cradle top cover.
8. Reverse to install.
NNoottee -- Once the top cover is in place, firmly press on the top cover to secure the VVeellccrroo®.
9. Verify proper operation before you return the product to service.
CCrraaddllee bboottttoomm ccoovveerr rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• 1/8” Hex wrench
• 5/32” Hex wrench
• T15 Torx driver
• Rubber hammer
PPrroocceedduurree::
1. Apply the brakes.
2. Remove cradle top cover. See
Cradle top cover removal/replacement (page 6).
4402-009-002 Rev AB.1 7 EN

3. 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 4).
FFiigguurree 44 –– CCoolluummnn aanndd ddrraawweerr aasssseemmbbllyy
NNoottee -- Lower the unit to the lowest height to help minimize the column dropping.
4. Using a T15 Torx driver, remove the four screws that secure both columns to each valance bracket.
NNoottee -- The entire column and drawer assembly should now rest on top of the base cover.
5. Using a 1/8” hex wrench, remove the two screws (AL) (Figure 5) that secure each release handle to the top cradle
bracket. Save the handle and screws.
EN 8 4402-009-002 Rev AB.1

FFiigguurree 55 –– RReelleeaassee hhaannddllee
6. Using 5/32” hex wrench, remove the four screws (E) and washers (D) (Figure 6) from each cylinder bracket that secure
the cylinder to the top cradle bracket. Save the screws and washers.
4402-009-002 Rev AB.1 9 EN

FFiigguurree 66 –– CCyylliinnddeerr bbrraacckkeett
NNoottee -- Add loctite blue threadlocker to a minimum of three threads on item L.
7. Using a rubber hammer, strike the top cradle bracket, near the cylinder to disengage the bracket from the cylinder top.
Repeat on opposite side.
8. Using a workbench or table, flip the top assembly upside down.
9. Using a T15 Torx driver remove the six screws (AP) and washers (AN) that secure the two valance brackets. Save the
screws and washers.
10.Working from one side of the assembly, firmly pull up on the cradle bottom cover.
11.Remove and discard the cradle bottom cover.
12.Reverse to install.
13.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
• Loctite blue threadlocker
PPrroocceedduurree::
1. Apply the brakes.
2. Remove the cradle top cover. See
Cradle top cover removal/replacement (page 6).
EN 10 4402-009-002 Rev AB.1

3. Using a 1/8” hex wrench, remove the eight screws (F and G) (Figure 7) that secure the column and drawer assembly to
the top cradle bracket. Save the screws.
FFiigguurree 77 –– CCoolluummnn aanndd ddrraawweerr aasssseemmbbllyy
NNoottee -- Lower the unit to the lowest height to help minimize the column dropping.
4. Using a T15 Torx driver, remove the four screws that secure both columns to each valance bracket. Save the screws.
NNoottee -- The entire column and drawer assembly should now rest on top of the base cover.
4402-009-002 Rev AB.1 11 EN

5. Using a T15 Torx driver, remove the six screws (AP) and washers (AN) (Figure 8) that secure two valance brackets.
Save the screws and washers.
FFiigguurree 88 –– VVaallaannccee bbrraacckkeettss
6. Using a 1/2” speed ratchet remove the four screws (L) and washers (K) (Figure 9) that secure the push bar to the cradle
bracket. Save the screws and washers.
EN 12 4402-009-002 Rev AB.1

FFiigguurree 99 –– PPuusshh bbaarr
NNoottee
• Carefully pull down on the corner of the cradle bottom cover to gain access to the screws.
• During reinstall, add loctite 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
• Jack
• Torque wrench
PPrroocceedduurree::
1. Apply the brakes.
2. Use a small jack, near the caster to be replaced.
4402-009-002 Rev AB.1 13 EN

3. Using a 3/8” drive ratchet and 5/16” hex driver, remove the bolt (N) and caster (K, L, M) (Figure 10) assembly from the
base weldment. Discard the caster assembly.
Torque item N
to 35 to 45 ft-lb
Torque item N
to 35 to 45 ft-lb
Torque item N
to 35 to 45 ft-lb
Torque item N
to 35 to 45 ft-lb
FFiigguurree 1100 –– BBaassee wweellddmmeenntt
4. Reverse to 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 secures the drawer slide to the drawer. Save the
screws.
4. Using a T15 Torx driver, remove the screw (E) and washer (F) (Figure 11) that secure the drawer slide to the column.
Save the screw and washer.
EN 14 4402-009-002 Rev AB.1

FFiigguurree 1111 –– 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 (F and G) (Figure 12) that secure the column and drawer assembly to
the top cradle bracket.
4402-009-002 Rev AB.1 15 EN

FFiigguurree 1122 –– 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 four screws (E) and washers (D) (Figure 13) that secure both columns to each
valance bracket. Save the screws and washers.
NNoottee -- The entire column and drawer assembly should now rest on top of the base cover.
3. Using 5/32” hex wrench, remove the eight screws (D) and washers (C) that secure the cylinder bracket to the top cradle
bracket for the gas cylinder. Remove both sides. Save the screws and washers.
EN 16 4402-009-002 Rev AB.1

FFiigguurree 1133 –– TToopp ccrraaddllee bbrraacckkeett
NNoottee -- Add loctite blue threadlocker to a minimum of three threads on item L.
4. Using a rubber hammer, strike the top cradle bracket, near the gas cylinder to remove the cradle bracket from the gas
cylinder.
5. Remove the cradle assembly and supports to gain access to the gas cylinder. Set aside the cradle assembly.
6. Lift up and remove the cabinet/drawer assembly. Set aside the cabinet/drawer assembly.
7. Using a 5/32” hex wrench, remove the two screws that secure the column support bracket. Save the screws.
8. Using a 3/16: hex wrench, remove the screw (AJ) and spacer (AH) from the lower guide tube (Figure 14). Save the
screw and spacer.
FFiigguurree 1144 –– CCoolluummnn ssuuppppoorrtt bbrraacckkeett
9. Using the needle nose pliers, remove the gas cylinder clip. Save the clip.
10.Grab the shaft of the gas cylinder and pull up to remove the gas cylinder from the base support bracket. Save the
washers (D), bumpers (C) and clip (F) for reinstall (Figure 15). Discard the gas cylinder.
4402-009-002 Rev AB.1 17 EN

FFiigguurree 1155 –– GGaass ccyylliinnddeerr sshhaafftt
11.Reverse to install.
12.Verify proper operation before you return the product to service.
BBaassee ccoovveerr rreeppllaacceemmeenntt
TToooollss rreeqquuiirreedd::
• Small jack
• 5/32 Hex t-handle
PPrroocceedduurree::
1. Apply the brakes.
2. Using a small jack, at one end of the product, raise the product a few inches off the floor.
NNoottee -- You can push the product up against a wall for added precaution.
3. Using a 5/32” hex t-handle, remove the two screws (W) and two washers (G) that secure the column to the base
weldment. Save the screws and washers (Figure 16).
EN 18 4402-009-002 Rev AB.1