Stryker Medical 1068, Руководство по обслуживанию

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5.2
Service Information
ENHANCED CLEARANCE HEAD/NECK ASSEMBLY REPLACEMENT (CONTINUED)
HEAD SECTION INSTALLATION PROCEDURE
(Refer to drawing number 1068–232–10 pages 43.2 & 43.3 for part reference)
1. Put some grease on one of the thin nylon washers (item AT) and stick it to the left side of the Fowler adapt-
er bracket.
2. Slip the new head/neck assembly around both ends of the Fowler adapter bracket, keeping the nylon
washer in place between the assembly and the Fowler adapter bracket.
3. Align the holes on the left side of the head/neck assembly, the adapter bracket and the nylon washer.
If you have the optional 7/16” diameter rod, insert it through the holes to keep the parts in place.
CAUTION
Be sure to put only one of the thin nylon washers on the left side. More than one can adversely affect adjust-
ability and functionality of the head/neck assembly.
4. On the right side of the assembly, insert nylon washers (items AS and AT) as needed to fill the gap be-
tween the head/neck assembly and the Fowler adapter bracket.
5. Align the holes in the right side of the head/neck assembly, the Fowler adapter bracket and the nylon
washers. Insert the pivot rod (item T) from the right side with the small diameter end of the rod going
in first. WIth the pivot rod part way through, slip a jam nut (item AL) and a flange nut (item AF) with the
flange facing to the left and spin them on as far to the right side of the rod as possible.
6. Push the pivot rod just past the left side of the transfer link (item R) and insert the other flange nut (with
the flange facing to the right) and the other jam nut. Be sure both of these nuts are on the left side of
the transfer link and the two nuts put on in step 5 are on the right. Push the pivot rod through the support
tab.
7. Put grease on the angled surface of the back of the anti–rotation gear (item K). Put the gear in place with
the angle side of the anti–rotation gear facing the adjustment wedge (item N) and the anti–rotation gear
teeth engaging the teeth of the gear on the Fowler adapter bracket.
8. Push the pivot rod through as far as it will go. Adjust the jam and flange nuts as necessary to allow the
pivot rod to move through the left side of the assembly (If you used the optional 7/16” rod, the pivot rod
will push it out at this time. The 7/16” rod does allow the pivot rod to go through with minimal effort).
9. Rotate the head/neck assembly to a level position if you haven’t already done so.
10. Place a punch or other object through the hole on the right side of the pivot rod to provide something to
grasp when moving and angling the rod. Align the hole on the back of the anti–rotation gear with the hole
in the left side of the pivot rod. The alignment can be checked by inserting a 1/8” roll pin punch through
the holes. Hammer the roll pin (item AX) into the holes through the gear and rod until it is flush with the
surface of the gear.
11. Spin the flange nut on the left side until it is touching the transfer link (item R). Pull the left release handle
and spin the flange nut closer to the transfer link. Let go of the release handle and see if the anti–rotation
gear is in full contact with the other gear. Continue this procedure until the handle snaps into the locked
position when released. There should be some resistance on the handle just before it reaches the locked
position to ensure full engagement of the gear teeth, but not so much that the handle doesn’t reach the
locked position.
12. Pull the left release handle again and adjust the flange nut on the right side inward until it touches the
right side of the transfer link. Release the handle. While holding the flange nut with a thin 3/4” wrench,
use the other 3/4” wrench to bring the jam nut up tight to the flange nut.