Schaerer 7300 - Seat Position Sensor Removal; Installation

SECTION IV
MAINTENANCE / SERVICE
(6) Using a punch or Allen wrench, push on pilot
piston (13) to ensure that it moves freely
(approximately 1/8 in. (3.2 mm) travel).
(7) If installing pilot operated check valve which
affects input to base of seat cylinder, perform
the following steps before proceeding to step 9:
a. For R.H. seat cylinder, install large plug (B)
in lower manifold (2). For L.H. seat cylinder,
install reduction fitting (E) and male connec-
tor (D) in lower manifold (2); then connect
hose (C) to male connector (D).
b. Install small plug (A) in lower manifold (2).
(8) If installing pilot operated check valve which
affects input to rod end of seat cylinder, perform
the following steps before proceeding to step 9:
a. Install male connector (7) in lower mani-
fold (2).
b. Connect tube (5) to male connector (7).
c. Coat o-rings of fitting seal (4) and fitting
connector (3) with oil.
d. Connect tube (5) to upper manifold (6) with
fitting seal (4) and fitting connector (3).
e. Install large plug (1) in lower manifold (2).
(9) Install seat cylinder (Perform steps 3 thru 19 of
para 4.16).
(10) Add oil to reservoir (Refer to para 4.2).
(11) Perform seat cylinders synchronization proce-
dure (Refer to para 4.6).
4.19 Seat Position Sensor
Removal / Installation
A. Removal
(1) Remove four plugs (1, Figure 4-29), four screws
(2), and back section table top (3) from R.H. and
L.H. side weldments (4).
(2) Bend lip of two cover gaskets (5) and remove
four screws (6).
(3) Remove bridge cover (7) and two cover gaskets
(5) from R.H. and L.H. side weld- ments (4).
NOTE
The seat position sensor is located on the right hand
side of the table in the R.H. side weldment.
(4) Remove screw (1, Figure 4-30) and cover (2)
from seat position sensor (3).
(5) Loosen setscrew (4).
Figure 4-29. Covers Removal / Installation
CA807000
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Page 4-28Printed in U.S.A.© Schaerer Mayfield USA, Inc. 2004