Stryker Medical Venture 350, Maintenance Manual

Page: 8 / 76

5
Service Information
PNEUMATIC FOWLER ADJUSTMENT
Required Tools:
3/32” Hex Allen Wrench 9/16” Box End Wrench 5/16” Hex Allen Wrench
Adjustment Procedure:
1. Refer to drawing 360–31–10 (Pneumatic Fowler Assembly, page 35) for part reference.
2. For easier access, raise Fowler to 90
_
.
3. Using a 3/32” hex Allen wrench, remove set screws (P), located in center of yokes (K).
4. Using a 9/16” box end wrench and 5/16” hex Allen wrench, remove the pivot bolts (D), flat washers (B) and
hex nuts (C) holding the gas springs (A) to the litter frame.
5. To adjust the Fowler, turn the gas spring 1 to 2 turns counterclockwise if the Fowler will not move and 1
to 2 turns clockwise if the Fowler will not hold its position.
6. Replace the pivot bolts (D) and check the Fowler adjustment. Lower the Fowler approximately 10
_
to 20
_
,
release the handle and apply weight to the Fowler to assure it will hold its position. If the Fowler will not
lower or will not hold its position when weight is applied, repeat step 5.
7. When the Fowler is properly adjusted, replace the washers (B) and hex nuts (C) to secure the pivot bolts.
8. Using thread locktite, reinstall set screws (P).
SIDERAIL LATCH ADJUSTMENT
Required Tools:
1/8 Hex Allen Wrench
WARNING
The siderail latch adjustment is pre–set at the factory, and there should not normally be a need for readjust-
ment. If adjustment must be done it is important to follow the procedure below. If it is not done properly, injury
to the patient or user could occur.
Adjustment Procedure:
1. Using a 1/8 hex Allen wrench, adjust the hex Allen screw located on the latch assembly opposite the latch.
Turning the Allen screw clockwise will
DECREASE
the amount of ”play” in the latching mechanism. Turn-
ing counterclockwise will
INCREASE
the amount.
NOTE
The amount of ”play” in the siderail, when in full up engaged position, should be approximately 1/8 to 3/16
inches.
CAUTION
Too much ”play” when the siderail is in the full up engaged position will give the siderail the appearance of
being unstable and could also cause premature wearing of the latch system. Too little ”play” will obstruct
the latch and keep it from engaging completely in the full up position, which may cause damage to the latch
and/or injury to the patient or user.