Service Information
15
HYDRAULIC VALVE REPLACEMENT (CONTINUED)
Replacement of the Check Valve:
NOTE
It requires two people to safely perform this procedure.
WARNING
To avoid personal injury or damage to the stretcher, always remove the litter and the base hood before begin-
ning service on the jacks.
1.
Using a 3/8” open end wrench, remove square head set screws from both the head end and the foot end
jack support tubes. Remove the litter top and set it aside.
2.
Lift off the plastic base hood, separating the Velcro holding it to the base frame.
3.
Lower the jack to the full down position. The actuator must be manually lowered while the appropriate
release pedal is depressed.
4.
Remove the base plug (D) and the seal (L).
5.
Remove the valve plug (E).
6.
Using a stiff wire with a bent, pointed end, remove the check valve (J) and the seal (K).
7.
Install the seal (K) flat to the bottom of its hole with a 1/2” diameter rod.
8.
Install the new check valve (J) with the beveled end up (as shown in the illustration).
9.
Install the valve plug (E) and tighten to 10 foot−pounds torque.
10.
Install the seal (L) with the base plug (D) and tighten to 10 foot−pounds torque.
11.
Pump up the jack to the maximum height. Apply weight and ensure the jack holds its position and there
are no hydraulic leaks before replacing the base hood and the litter.
Return to Table of Contents
Summary of Contents for Gynnie OB-GYN 1061
Page 18: ...Service Information 17 BASE LUBRICATION Back to Table of Contents ...
Page 22: ...Stretcher Assembly 21 Back to Table of Contents ...
Page 24: ...Base Assembly 23 Assembly part number 1061 1 10 reference only Return to Table of Contents ...
Page 25: ...Base Assembly 24 HEAD END Return to Table of Contents ...
Page 26: ...Base Assembly 25 HEAD END Return to Table of Contents ...
Page 41: ...Litter Assembly 40 Assembly part number 1061 30 10 reference only Back to Table of Contents ...
Page 42: ...Litter Assembly 41 Back to Table of Contents ...
Page 43: ...Litter Assembly 42 Back to Table of Contents ...
Page 47: ...1061 50 30 Foot Support Pivot Assembly 46 Back to Table of Contents ...
Page 79: ...1061 40 36 2 Free Standing Calf Rest 78 Back to Table of Contents ...
