4.16 Procedural/Fixed Height/Trauma/OB/GYN Stretcher Back Panel Gas Spring
Chapter 4: Removal, Replacement, and Adjustment Procedures
TranStar® PC-100/PC-200/PC-300/PC-350/PC-400/PC-450/
Page 4 - 49
PC-500/PC-550/TR-500/SG-500/OB-450/OB-550/EL-550
Series Stretcher Service Manual (man115re)
4
4.16 Procedural/Fixed Height/Trauma/OB/GYN Stretcher Back
Panel Gas Spring
Tools required:
Screwdriver
Pliers
17 mm open end wrench
Retaining ring removal/installation tool
Removal
WARNING:
With little or no weight on it, the back section could rise quickly. Ensure
that you fully control the lift of the back section. Failure to do so could
result in personal injury.
1. Raise the back panel to the 90° position.
2. Using the pliers and the screwdriver, remove the push nut (D) from the
solid rivet (C) that secures the release handle to the gas spring (G)
(see figure 4-25 on page 4-50) or (see figure 4-26 on page 4-50).
CAUTION:
Do not overextend the retaining rings. If the retaining rings are
overextended, use new ones for the installation. Failure to do so could
result in equipment damage.
3. Using the retaining ring removal/installation tool, remove the retaining
rings (A) and (F) from the top and bottom headed pins (B) and (E).
Do not
remove the headed pins at this time.
4. Lower the back panel to the horizontal position, and remove the bottom
headed pin (E) from the gas spring (G).
5. Raise the back panel, and remove the top headed pin (B) from the gas
spring (G).
6. Remove and discard the gas spring (G).