Berchtold Corporation
Beds, Chairs, Stretchers and Stools
Model 747 and 748 Transport Stretcher Maintenance Manual Rev A.3 May 2018
Maintenance Manual
104 Pages
Preview
Page 1
Transport Stretcher Maintenance Manual
747 748
EN
0747-109-002 Rev A.3
2018/05
Symbols Operating instructions/Consult instructions for use General warning Caution Warning; crushing of hands No pushing
Do not store the oxygen bottle Catalogue number
Serial number For US Patents see www.stryker.com/patents CE mark EC REP Manufacturer Safe working load
Lubricate
Type B applied part
0747-109-002 Rev A.3
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Table of Contents Warning/Caution/Note Definition ...3 Summary of safety precautions ...4 Pinch points...5
Introduction ...6 Product description ...6 Indications for use...6 Expected service life ...6 Contraindications ...6 Specifications ...6 Product illustration ...8 Contact information ...8 Serial number location...9 Date of manufacture...9
Cleaning ...10 Cleaning the product ...10 Cleaning the mattress ...10 Remove iodine...11 Special instructions ...11
Disinfecting ...12 Disinfecting the product ...12 Disinfecting the mattress ...12
Preventive maintenance ...14 Lubrication points...14
Quick reference replacement parts ...16 Service ...17 Caster assembly replacement...17 Brake swivel lock ring replacement...18 Brake link assembly replacement, head end or foot end ...19 Brake cam and link replacement ...20 Brake rod replacement ...20 Side control brake rod replacement ...23 Fifth wheel assembly replacement...24 Jack replacement, head end ...25 Jack replacement, foot end ...26 Release pedal adjustment ...28 Release pedal replacement, foot end (three-sided hydraulics) ...28 Release pedal rod replacement, foot end (three-sided hydraulics) ...29 Litter top removal ...30 Siderail latch adjustment...31 Remove excess air from the hydraulic system ...32 Pneumatic Fowler adjustment ...32
Standard brake assembly ...33 Brake rod assembly ...36 Fifth wheel drive link assembly ...37 Side control brake assembly ...38 Brake rod/side control assembly ...42 Side control brake assembly ...43 Bumper color options ...44 8 in. caster with full cover assembly - 0853-503-020 ...45 Retractable fifth wheel assembly ...46 Non-constant descent jack ...47 0747-109-002 Rev A.3
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Fifth wheel assembly - 1105-006-130 ...48 Dual-sided hydraulics assembly ...50 Lowering pedal assembly - 1105-004-201 ...52 Pump pedal assembly, head end - 1105-005-285 ...53 Labeling assembly - standard hood...54 Labeling assembly - four-sided brakes ...56 Litter assembly, standard - Model 747 ...58 Siderail assembly - Model 747...61 Litter assembly, Fowler to frame - Model 747 ...62 Litter assembly, pneumatic Fowler - Model 747 ...63 Fowler outer housing assembly, right - 1210-031-106 ...64 Fowler outer housing assembly, left - 1210-031-107 ...65 Litter assembly, standard - Model 748 ...66 Siderail assembly...68 Litter assembly, Fowler to litter - Model 748 ...69 Litter assembly, pneumatic Fowler - Model 748 ...71 Litter assembly with optional gatch - Model 748...73 Optional gatch crankscrew assembly ...77 Corner cover assembly ...78 Corner cover assembly with optional push handles ...79 Push handle assembly...80 Corner cover assembly with optional push handles and two-stage IV pole ...81 Corner cover assembly with optional push handles and three-stage IV pole ...82 Corner cover assembly with optional two-stage IV pole...83 Corner cover assembly with optional three-stage IV pole ...84 Defibrillator tray assembly - 1105-045-200 ...85 Defibrillator tray-foot extender-footboard - 1105-045-400...86 Footboard/chart holder-1105-045-500 ...87 Serving tray - 1105-045-700 ...88 Footboard - serving tray holder - 1105-045-800 ...89 IV caddy - 0785-155-000 ...90 Removable IV pole - 0390-025-000...91 Upright bottle holder - 1115-130-000...92 Oxygen bottle retainer assembly - 1037-010-090 ...93 Ankle restraint strap - 0946-043-001 ...94 Chest restraint strap - 1010-058-000...95 Wrist restraint strap - 0946-044-000 ...96 Body restraint strap - 0390-019-000 ...97 Full restraint strap package - 1010-077-000 ...98 Mattresses and siderail pads ...99
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Warning/Caution/Note Definition The words W A R N I N G , C A U T I O N , and N O T E carry special meanings and should be carefully reviewed. W A R N I N G - 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. C A U T I O N - 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. N o t e - Provides special information to make maintenance easier or important instructions clearer.
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Summary of safety precautions Always read and strictly follow the warnings and cautions listed on this page. Service only by qualified personnel. WARNING • 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. • Do not clean, service, or perform maintenance while the product is in use. • Do not immerse the mattress in cleaning or disinfectant solutions. Excess moisture could cause product malfunction that results in product damage or patient injury. • Do not allow fluid to pool on the mattress. Fluids can cause corrosion of components and may cause the safety and performance of this product to become unpredictable. • Always inspect mattress covers for tears, punctures, excessive wear, and misaligned zippers every time you clean the covers. Remove and replace a damaged mattress to prevent cross-contamination. • Do not steam clean, pressure wash, hose off, or ultrasonically clean mattresses. These methods of cleaning may void the product’s warranty. • Do not steam clean, hose off, or ultrasonically clean the product. Use of these methods of cleaning is not recommended and may void the product’s warranty. • Always disinfect the mattress between patients. Failure to do so could result in cross-contamination and infection. • Always follow this procedure if the siderail latches must be adjusted. The siderail latches are preset at the factory and do not need adjustment. If adjustment is not done properly, injury to the patient or operator could result. CAUTION • 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. • Improper usage of the product can cause injury to the patient or operator. Operate the product only as described in this manual. • Do not modify the product or any components of the product. Modifying the product can cause unpredictable operation resulting in injury to patient or operator. Modifying the product also voids its warranty.
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Pinch points
Figure 1 – Pinch points
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Introduction This manual assists you with the operation or maintenance of your Stryker product. Read this manual before operating or maintaining this product. Set methods and procedures to educate and train your staff on the safe operation or maintenance of this product. CAUTION • Improper usage of the product can cause injury to the patient or operator. Operate the product only as described in this manual. • Do not modify the product or any components of the product. Modifying the product can cause unpredictable operation resulting in injury to patient or operator. Modifying the product also voids its warranty. Note • This manual is a permanent part of the product and should remain with the product even if the product is sold. • Stryker continually seeks advancements in product design and quality. This manual contains the most current product information available at the time of printing. There may be minor discrepancies between your product and this manual. If you have any questions, contact Stryker Customer Service or Technical Support at 1-800-327-0770.
Product description The Stryker Model 747/748 Transport Stretcher is a general purpose patient transport and treatment stretcher.
Indications for use The Stryker Model 747/748 Transport Stretcher is a non-powered, wheeled device which consists of a platform mounted on a wheeled frame that is designed to support patients in a horizontal position. The device has siderails and has the option available to support temporary or permanent placement of I.V. poles. A stretcher provides the operator a method of transporting patients within a healthcare facility. Some stretchers may also be used for minor procedures and short-term stay (treatment and recovery).
Expected service life The Transport Stretcher has a 10 year expected service life under normal use conditions and with appropriate periodic maintenance.
Contraindications None known.
Specifications Model 747 Transport Stretcher
Model 748 Transport Stretcher (wide) HT Packs
500 lb
225 kg
500 lb
225 kg
83 in.
210.8 cm
83 in.
210.8 cm
Safe working load indicates the sum of the patient, mattress and accessory weight Overall length
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Overall width
30 in.
76.2 cm
34 in.
86.4 cm
High
36 in.
91.4 cm
36 in.
91.4 cm
Low
21.5 in.
54.6 cm
21.5 in.
54.6 cm
Patient surface
26 in. x 75.5 in.
66 cm x 192 cm
30 in. x 75.5 in.
76 cm x 192 cm
Siderails
13 in. x 55 in.
33 cm x 139.5 cm
13 in. x 55 in.
33 cm x 139.5 cm
Height
Litter positioning Backrest
0° to 90°
0° to 90°
Knee gatch
Not applicable
0° to 30°
Trendeleburg/ Reverse Trendelenburg
+18° / -18°
+18° / -18°
Caster diameter
8 in.
20 cm
8 in.
20 cm
Minimum under product clearance
6 in. nominal
15 cm
6 in. nominal
15 cm
1.75 in. under the hydraulic cylinders and fifth wheel
4.5 cm
1.75 in. under the hydraulic cylinders and fifth wheel
4.5 cm
Stryker reserves the right to change specifications without notice.
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Product illustration
C
F
B
F B A
A
D
A
D
A
E
E
A
Brake/steer pedal
D
Lowering pedal
B
Head end push handle
E
Pump pedal
C
IV pole
F
Siderail
Contact information Contact Stryker Customer Service or Technical Support at: 1-800-327-0770. Stryker Medical 3800 E. Centre Avenue Portage, MI 49002 USA
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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.
Serial number location
A
Date of manufacture The year of manufacture is the first 2 digits of the serial number.
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Cleaning Cleaning the product W A R N I N G - Do not clean, service, or perform maintenance while the product is in use. Recommended cleaning method 1. Follow the cleaning solution manufacturer’s dilution recommendations. 2. Hand wash all surfaces of the product with warm water and mild detergent. 3. Avoid over-saturation and make sure that the product does not stay wet longer than the detergent manufacturer’s guidelines for proper cleaning. 4. Dry thoroughly. Do not replace the mattress on the product until the product is dry. 5. Check functionality before you return the product to service. •
Raise and lower the product
•
Lock and unlock the brake/steer pedal in both positions
•
Latch and unlatch the siderails
•
Raise and lower the Fowler backrest
•
Raise and lower the gatch
•
Make sure all components have proper lubrication
•
Make sure all labels are intact
Note • Some cleaning agents are corrosive in nature and may cause damage to the product if you use them improperly. If you do not properly rinse and dry the product, a corrosive residue may be left on the surface of the product that could cause premature corrosion of critical components. Failure to follow these cleaning instructions may void your warranty. • Do not steam clean, power wash, hose off, or ultrasonically clean the product. Use of these methods of cleaning is not recommended and may void the product’s warranty. • Clean the base hood. • Clean the bottom of the brake pads to prevent wax or floor remnant buildup.
Cleaning the mattress WARNING • Do not clean, service, or perform maintenance while the product is in use. • Do not immerse the mattress in cleaning or disinfectant solutions. Excess moisture could cause product malfunction that results in product damage or patient injury. • Do not allow fluid to pool on the mattress. Fluids can cause corrosion of components and may cause the safety and performance of this product to become unpredictable. • Always inspect mattress covers for tears, punctures, excessive wear, and misaligned zippers every time you clean the covers. Remove and replace a damaged mattress to prevent cross-contamination. • Do not steam clean, pressure wash, hose off, or ultrasonically clean mattresses. These methods of cleaning may void the product’s warranty. The life of the mattress can be affected by an increase in frequency of usage, which might include more frequent cleaning and disinfection. 1. Use a clean, soft cloth to wipe down the entire mattress with a mild soap and water solution to remove foreign material. 2. Wipe down the mattress with a clean, dry cloth to remove any excess liquid or cleaning agents.
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3. Rinse and dry covers after cleaning. 4. Disinfect as needed with a hospital grade disinfectant after cleaning has been completed (Disinfecting the mattress (page 12)). 5. Check functionality before you return the product to service. •
Raise and lower the product
•
Lock and unlock the brake/steer pedal in both positions
•
Latch and unlatch the siderails
•
Raise and lower the Fowler backrest
•
Raise and lower the gatch
•
Make sure all components have proper lubrication
•
Make sure all labels are intact
Note • Do not iron, dry-clean, or tumble dry the mattress, as this will cause malfunction and damage the product. • The mattress cover must be completely dry before you store, add linens, or place a patient on the mattress to prevent impairment of the product performance. • Avoid over-exposure to alcohol or hydrogen peroxide. The cover material will swell. • Do not allow liquid to seep into the zipper area and watershed cover barrier. Fluids allowed to come in contact with the zipper may leak into the mattress which could impair the product performance. • Some cleaning agents are corrosive in nature and may cause damage to the product if you use them improperly. If you do not rinse and dry the product well, a corrosive residue may be left on the surface of the product that could cause premature corrosion of critical components. Failure to follow these cleaning instructions may void your warranty.
Remove iodine 1. Make a solution of 1 to 2 tablespoons of sodium thiosulfate in a pint of warm water. Use the solution to wipe down the stained area. 2. Clean the stain as soon as possible after the stain occurs. 3. If stains are not immediately removed, allow solution to soak or stand on the mattress before you wipe the mattress. 4. Rinse the mattresses which have been exposed to the solution with clear water before you return the mattresses to service. N o t e - Failure to follow these directions when you use these types of cleaners may void this product’s warranty.
Special instructions Velcro®
Saturate with disinfectant, rinse with water, and allow the solution to evaporate.
Solids or stains
Use neutral soaps and warm water. Do not use harsh cleansers, solvents, or abrasive cleaners.
Hard-to-clean spots
Use standard household cleansers or vinyl cleansers and a soft bristle brush on troublesome spots or stains. Pre-soak dried-on soil.
Laundering
Laundering is not recommended. Laundering may substantially decrease the useful life of the mattress.
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Disinfecting Disinfecting the product WARNING • Do not clean, service, or perform maintenance while the product is in use. • Do not steam clean, hose off, or ultrasonically clean the product. Use of these methods of cleaning is not recommended and may void the product’s warranty. Recommended disinfectants •
Quaternaries (active ingredient - ammonium chloride) that contain less than 3% glycol ether
•
Phenolic disinfectant (active ingredient - o-phenylphenol)
•
Chlorinated bleach solution (5.25% bleach diluted 1 part bleach to 100 parts water which equals 520 ppm available chlorine (40 mL of a 5.25% bleach solution per 4000 mL water))
•
70% isopropyl alcohol
Recommended disinfection method 1. Follow the disinfectant solution manufacturer’s dilution recommendations. 2. Hand wash all surfaces of the product with a disinfectant solution. 3. Avoid over-saturation and make sure that the product does not stay wet longer than the chemical manufacturer’s guidelines for proper disinfecting. 4. Dry thoroughly. Do not replace the mattress on the product until the product is dry. 5. Disinfect the V e l c r o ® after every use. Saturate the V e l c r o ® with disinfectant, rinse with water, and allow the disinfectant to evaporate (appropriate disinfectant is determined by the facility). 6. Check functionality before you return the product to service. •
Raise and lower the product
•
Lock and unlock the brake/steer pedal in both positions
•
Latch and unlatch the siderails
•
Raise and lower the Fowler backrest
•
Raise and lower the gatch
•
Make sure all components have proper lubrication
•
Make sure all labels are intact
N o t e - Some cleaning agents are corrosive in nature and may cause damage to the product if you use them improperly. If you do not rinse and dry the product well, a corrosive residue may be left on the surface of the product that could cause premature corrosion of critical components. Failure to follow these cleaning instructions may void your warranty.
Disinfecting the mattress These instructions provide recommended disinfecting methods for the mattress. W A R N I N G - Always disinfect the mattress between patients. Failure to do so could result in cross-contamination and infection. Recommended disinfectants: •
Quaternaries (active ingredient - ammonium chloride) that contain less than 3% glycol ether
•
Phenolic disinfectant (active ingredient - o-phenylphenol)
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•
Chlorinated bleach solution (5.25% bleach diluted 1 part bleach to 100 parts water which equals 520 ppm available chlorine (40 mL of a 5.25% bleach solution per 4000 mL water))
•
70% isopropyl alcohol
1. Make sure that the mattress has been thoroughly cleaned and dried before you apply disinfectants. 2. Wipe down the mattress with a clean, dry cloth to remove any excess liquid or disinfectant. 3. Rinse and dry covers after disinfection. Note • The mattress cover must be completely dry before you store or add linens. Failure to remove excess disinfectant could cause degradation of the cover material. • Some cleaning agents are corrosive in nature and may cause damage to the product if you use them improperly. If you do not rinse and dry the product well, a corrosive residue may be left on the surface of the product that could cause premature corrosion of critical components. Failure to follow these cleaning instructions may void your warranty. • Frequent or prolonged exposure to higher concentrations of disinfectant solutions may prematurely age the cover fabric. • The use of accelerated hydrogen peroxides or quaternaries that contain glycol ethers may damage the cover.
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Preventive maintenance 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. N o t e - Clean and disinfect the exterior of the mattress before inspection, if applicable. Inspect the following items: All welds All fasteners are secure Brake mechanism works Steer function works Siderails raise, lower, and latch Casters lock when you apply the brakes Casters lock and swivel Casters are free of wax and debris Fowler backrest raises, lowers, and latches Gatch raises, lowers, and latches Skins are not cracked Trendelenburg/Reverse Trendelenburg raises and lowers from all locations IV pole is intact and latches in all positions (optional) Oxygen bottle holder is intact and opens and closes (optional) No damage to the head and foot trays Ground chain intact Body restraints latch and are secure (optional) No rips or cracks in the mattress cover Accessories and mounting hardware in good condition and work No leaks at hydraulic connections Hydraulic jacks hold Hydraulic drop rate set Hydraulic oil level sufficient Lubricate where required (Lubrication points (page 14)) Product serial number: Completed by: Date:
Lubrication points With the Fowler backrest at 0 degrees, apply Syntech grease (3000-200-719) through the slot and hole in the crank screw assembly (Figure 2). Wipe off excess grease.
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Figure 2 – Crank screw lubrication
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Quick reference replacement parts These parts are currently available for purchase. Call Stryker Customer Service: 1-800-327-0770 for availability and pricing. Part Name
Part Number
Brake cam and link
0853-003-035
Caster with full cover assembly
0853-503-020
Defibrillator tray/foot extender
1105-045-400
Fifth wheel assembly
1105-006-130
Footboard/chart holder
1105-045-500
IV pole, removable
0390-025-000
Oxygen bottle holder, upright
1115-130-000
Paint, touch-up, gloss black, bottle with brush
7000-001-322
Paint, touch-up, gloss black, spray
7000-001-319
Paint, touch-up, white, spray
7000-001-148
Paint, touch-up, white, bottle with brush
7000-001-147
Pneumatic cylinder
1010-031-078
Restraint strap, ankle
0946-043-001
Restraint strap, body
0390-019-000
Restraint strap, wrist
0946-044-001
Siderail pad set
1010-052-000
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Service Caster assembly replacement Tools Required: •
1/2” socket
•
3/8” drive ratchet
•
3/8” drive extension
•
3/8” drive torque wrench (in-lb)
•
Small jack
•
Needle nose pliers
•
Bungee cords
1. Raise the litter to the highest position. 2. Raise the base hood and support the hood with bungee cords. 3. Raise both siderails to the up and latched position. 4. Put the brake/steer pedal in the neutral position. 5. Using a 1/2” socket with a 3/8” drive extension and a 3/8” drive ratchet, remove the two flange nuts (A) (one on each side) that secure the brake link assembly (B) to the casters (Figure 3). 6. Using needle nose pliers, remove the rue ring cotter (C) and clevis pin (D) from the brake rod activator. 7. Apply the brake. Push on the product to make sure that the brake is locked. 8. Remove the brake link assembly (B). Pull outward with equal force on the assembly. 9. Using a small jack, raise the product until the caster falls out of the frame socket. 10. Position the supplied caster in the frame. Lower the jack until the caster is secure in the base frame. Remove the jack. N o t e - Make sure that the arrow located at the top of the caster assembly fork stem points toward the foot end of the product to avoid product damage. 11. Reverse steps to reinstall the remaining components. Use a 3/8” drive torque wrench (in-lb) to torque the two flange nuts (A) that secure the brake link assembly (B) to the casters to 80 ± 20 in-lb. N o t e - When you install the supplied brake link assembly (B), be sure to reinstall the bearing (E) which may have fallen off when you removed the brake link assembly (B). 12. Verify proper operation before you return the product to service.
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EA
Torque item A to 80 ± 20 in-lb
Torque item A to 80 ± 20 in-lb
E B
D
C
E
A
D
G F Torque item F to 50 ± 4 in-lb
Figure 3 – Brake assembly components
Brake swivel lock ring replacement Tools required: •
1/2” socket
•
5/16” socket
•
3/8” drive ratchet
•
3/8” drive extension
•
Need nose pliers
•
Bungee cords
•
Small bottle jack
•
3/8” drive torque wrench (in-lb)
1. Raise the product to the highest position. 2. Raise both siderails to the up and latched position. 3. Raise the base hood and support the hood with bungee cords. 4. Put the brake/steer pedal in the neutral position.
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