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CONSTANT FLOW JACK DESCENT RATE ADJUSTMENT (HYDRAULIC BASE)
TOOLS REQUIRED:
• (2) Bungee Cords (or equivalent)
PROCEDURE:
Note
Unless otherwise indicated, refer to Figure 11
The jack descent rate is preset from the factory to lower the foot slightly faster than the head. It is recommended to
have the foot end lower faster to avoid patient disorientation.
1.
Raise the litter and rails to the highest position and apply the brakes.
2.
Lift the base hood, separating the Velcro fasteners holding it to the base frame, and support it using bungee cords.
3.
The adjustable descent valve (N) is located on the base of the jack, and has a blue knob on the end. To adjust,
loosen the silver locking ring by turning it counter-clockwise. Turning the blue knob clockwise will increase the rate
of litter descent and turning it counter-clockwise will decrease the rate of litter descent.
4.
Adjust the valves such that the foot end jack descends slightly faster than the head end jack.
5.
Remove the bungee cords and replace the base hood.
6.
Verify proper operation of the stretcher before returning it to service.
REMOVING EXCESS AIR FROM THE HYDRAULIC SYSTEM (HYDRAULIC BASE)
TOOLS REQUIRED:
• None
PROCEDURE:
1.
Raise the litter to the highest position, and continue to actuate the system several times. This will force the air
through the system and allow the jack to function properly.
www.stryker.com
Service
(see page 1-36)
for this procedure.
1900-009-002 REV B
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