Schaerer 7300 - Trendelenburg Position Sensor Removal; Installation

SECTION IV
MAINTENANCE / SERVICE
B. Installation
(1) Using terminals of Trendelenburg position
sensor (2) as a reference point, rotate inner
wheel in clockwise and counterclockwise
direction as far as it will go and then determine
the center point of the inner wheel's rotation.
(2) Rotate the edge of the inner wheel which
represents the center point of the inner wheel,
so it is facing terminals of Trendelenburg
position sensor (2).
(3) Install spacer (4) and Trendelenburg position
sensor (2) on R.H. tilt bracket (5) and secure
with two screws (3), making sure center point is
not rotated.
(4) Connect three wires (1) to terminals of
Trendelenburg position sensor (2).
(5) Perform calibration of Return to Level / Neutral
Position Procedure (Refer to para 4.3).
Page 4-14Printed in U.S.A.
Figure 4-13. Trendelenburg Position
Sensor Removal / Installation
(3) Remove fitting connector (3) and fitting seal (4)
which secures tube (5) to manifold (6).
(4) Remove tube (5) from male connector (7).
(5) Remove male connector (7) from manifold (8).
(6) Using a sharp knife, pry orifice (9) from male
connector (7).
B. Installation
(1) Install male connector (7) in manifold (8).
(2) Install orifice (9) in male connector (7), making
sure orifice is fully seated.
(3) Connect tube (5) to male connector (7).
(4) Coat o-rings of fitting seal (4) and fitting connec-
tor (3) with oil.
(5) Connect tube (5) to manifold (6) and secure with
fitting seal (4) and fitting connector (3).
(6) Press in on both sides of second column cover
(1); then raise second column cover until its
catch is above catch of top column cover (2).
Release second column cover.
4.11 Trendelenburg Position Sensor
Removal / Installation
A. Removal
(1) Using emergency override panel, run
Trendelenburg function until back section of
table top is within ±3° of level from front-to-rear.
(2) Using emergency override panel, run LATERAL
TILT LEFT function all the way to its limit.
(3) Tag and disconnect three wires (1, Figure 4-13)
from terminals of Trendelenburg position
sensor (2).
(4) Remove two screws (3), Trendelenburg position
sensor (2), and spacer (4) from R.H. tilt
bracket (5).
CA7630
M
7100
TERMINALS
2
4
3
5
1
TERMINALS
INNER
WHEEL
EDGE OF WHEEL WHICH
IS CENTER POINT
FACES TOWARD
TERMINALS
+/- 3°
© Schaerer Mayfield USA, Inc. 2004