Schaerer 7300 - Foot Control Interface Board Removal; Installation

SECTION IV
MAINTENANCE / SERVICE
(2) Tag and desolder twenty-four wires (5) and six
wires (6) from foot control interface board (7).
(3) Remove four screws (8), lockwashers (9), and
foot control interface board (7) from box
weldment (4).
B. Installation
(1) Install foot control interface board (7) on box
weldment (4) and secure with four lockwashers
(9) and screws (8).
NOTE
Use proper solder techniques and 60/40 resin core
solder. Use heat sinks to prevent damage to inter-
face board.
(2) Solder six wires (6) and twenty-four wires (5) to
foot control interface board (7).
(3) Install gasket seal (1) on lower cover (3).
(4) Install lower cover (3) on box weldment (4) and
secure with twelve screws (2).
(5) Using a clear bonding adhesive (Loctite 414),
glue gasket seal (1) to lower cover (3).
Page 4-69Printed in U.S.A.
(8) If posts are not synchronized in same position,
perform steps 3 thru 5 of removal; then rotate
base of gas spring (8) one full turn in direction
determined necessary.
(9) Perform steps 3 and 4 of installation.
(10) Repeat steps 5 thru 9 until posts are synchro-
nized.
C. Adjustment
(1) Perform steps 5 thru 10 of installation until
posts are synchronized in same position.
4.44 Foot Control Interface Board
Removal / Installation
A. Removal
(1) Pry up edges of gasket seal (1, Figure 4-73);
then remove twelve screws (2), lower cover (3),
and gasket seal (1) from box weldment (4).
Figure 4-73. Foot Control Interface Board
Removal / Installation
CA7672
8
1
3
2
4
6
5
7
9
© Schaerer Mayfield USA, Inc. 2004