SECTION IV
MAINTENANCE / SERVICE
4.36 Transformer Removal / Installation
A. Removal
(1) Perform steps 1 thru 7 of para 4.32A (removing
charging / power driver board).
(2) Perform steps 1 thru 7 of para 4.35A (removing
RFI filter).
(3) Tag and disconnect two wire harnesses (1,
Figure 4-65) from RFI filter (2).
(4) Remove two screws (3) and cover (4) from base
weldment (5).
(5) Remove screw (6), washer (7), and partially
remove transformer (8) from base weld-
ment (5).
(6) Disconnect connector (9) from charging / power
driver board (10).
(7) Tag four wires (11). Press on release tabs and
pull four wires (11) from connector (9).
(8) Remove wire cap (12) from electrical fit-
ting (13).
(9) Pull four wires (11) thru electrical fitting (13).
(10) Remove wire cap (12) and seal (14) from four
wires (11).
NOTE
If step 11 is not successful, removal of motor pump
is necessary. Refer to para 4.26.
(11) Attach a "fish wire" to ends of four wires (11);
then pull four wires out of Slots B and A in base
weldment (5).
(12) Disconnect four wires (11) from "fish wire",
making sure "fish wire" remains in base
weldment (5) to assist in installation.
(13) Cut cable ties securing four wires (11) together.
(14) Remove transformer (8).
B. Installation
(1) Secure four wires (11,Figure 4-65) together
using cable ties.
(2) Connect "fish wire" to ends of four wires (11).
(3) Using "fish wire", pull four wires thru Slot A and
B in base weldment (5).
(4) Disconnect four wires (11) from "fish wire". Pull
"fish wire" out of base weldment (5).
(5) Install wire cap (12) and seal (14) on four wires
(11).
(6) Feed four wires (11) thru electrical fitting (13).
(7) Press on release tabs of connector (9) and
insert four wires into connector.
(8) Connect connector (9) to charging / power driver
board (10).
(9) Screw wire cap (12) onto electrical fitting (13).
(10) Connect two wire harnesses (1) to terminals of
RFI filter (2).
(11) Install transformer (8) on base weldment (5) and
secure with washer (7) and screw (6).
(12) Install cover (4) on base weldment (5) and
secure with two screws (3).
(13) Perform steps 3 thru 7 of para 4.35B (installing
RFI filter).
(14) Perform steps 6 thru 10 of para 4.32B (installing
charging / power driver board).
(15) Raise table to its upright position.
Page 4-61Printed in U.S.A.
© Schaerer Mayfield USA, Inc. 2004
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