Steris Amsco 3085 SP, Maintenance Manual

Page: 118 / 228

7-13
764332-898
3. Reattach hose bracket.
4. Return both button plugs and dowell pins
(Figure 13, 6 and 7) attaching cylinder to back
section casting.
NOTE: New cylinder is retracted. To extend cylinder
rod, BACK UP function must be activated.
5. Turn power on. Raise back section slightly to extend
new cylinder rod until hole in clevis lines up with
hole in saddle block.
6. Insert pivot pin (Figure 12, 25). It may be necessary
to jiggle back section slightly. Do not force pin - it
should slide in.
7. Replace setscrew (Figure 12, 26).
8. Remove 2 x 4" wedge and operate UP/DOWN
function to check cylinder for leaks.
9. Reinstall ground wire, kidney bridge linkage and
side rail.
NOTE: Procedure for other back-section cylinder is the
same, except there is no kidney bridge linkage.
7.17.5 Leg Section Cylinders
NOTE: The numbers in parentheses () refer to items found
on Figure 12, Figure 14 and Figure 15 located in Illustrated
Parts Breakdown (refer to Tab) unless otherwise noted.
7.17.5.1 Removal
1. Remove seat and leg section tabletops.
2. Remove seat section siderail.
3. Remove two socket flathead screws (Figure 15, 5)
from end frame cap.
NOTE: Do not remove setscrew on bottom outside of end
frame cap assembly as this holds pivot pin (Figure 12, 19)
to leg assembly after removal.
4. Remove two setscrews on inside edge of end frame
cap assembly, top (Figure 12, 29) and bottom
(Figure 12, 26).
5. Using special screw (P90696-061), screw into hole
on pivot cap (Figure 10, 14) and turn to loosen cap.
6. Remove pivot cap.
7. Remove sleeve bearing and thrust washer
(Figure 12, 21 and 20) from pin (Figure 12, 17).
8. Pulling outward, remove leg section (with pin
attached) from seat section.
9. Tap out top pivot pin (Figure 12, 18) from outside
toward inside.
10. Reflex table enough to gain access to two cap hex
head screws (Figure 14, 17) holding cylinder
(Figure 14, 2) to seat section casting.
11. Using Chapman set, remove two screws and
washers (Figure 14, 17 and 18). Remove shims
(Figure 14, 14 and 15).
12. Lower seat section to vertical position.
13. Carefully lift cylinder up and out of seat-section
casting.
14. Remove hoses, marking ports for reattachment.
Ports are marked on cylinder manifold ... mark
hoses accordingly.
7.17.5.2 Replacement
NOTE: Always replace sealing washers.
1. Hand tighten hydraulic hoses in place as marked
during removal. Then snug them down.
2. Place hydraulic cylinder in seat section casting.
3. Insert cap hex head screws and washers (Figure 14,
17 and 18) through seat section casting. Insert shims
(Figure 14, 14 and 15) between casting and cylinder
block.
4. Tighten screws into cylinder block using Chapman
set.
5. Align hole in input link with hole in casting.
Reinstall pivot pin (Figure 12, 18) through input
link and casting.
6. Reattach leg section, ensuring pin (Figure 12, 17) is
inserted through hole in coupler link. Slip sleeve
bearing and thrust washer (Figure 12, 21 and 20)
onto pin (Figure 12, 17).
7. Return pivot cap (Figure 10, 14). Use rubber mallet
to properly seat cap in seat-section casting.
8. Replace and tighten setscrews at top side (Figure 12,
29) and underside (Figure 12, 26) of end-frame cap
assembly.
9. Adjust leg section movement and tighten setscrew
on locking collar of cylinder.
7.17.6 Seat Section Cylinder
NOTE: The numbers in parentheses () refer to items found
on Figure 14 located in Illustrated Parts Breakdown (refer
to Tab) unless otherwise noted.
7.17.6.1 Removal
1.
Lower shroud per S
ECTION
7.4, S
HROUD
R
EMOVAL
/
R
EPLACEMENT
P
ROCEDURES
.
2. Place 2 x 4" between seat section frame and saddle
block. Lower table until it just touches 2 x 4" ... just
enough to take pressure off cylinder ... so that seat
frame is resting on 2 x 4".
3. Remove hydraulic hoses from cylinders (2 and 3),
marking for reattachment.