19. Identification plate
2 0 . Panel
21. Printed wiring board
Lock washer (16)
2 2 . Gasket
2 5 . Cabinet
8. Install panel (20) to cabinet (25)
and secure with screws (1) and lock washer
Exercise care not to apply ex-
cessive heat to components when
c . Test the precise governor control
precise governor control unit. Pay parti-
cular attention to the following.
a. Install precise governor control unit
1. Re-pot governor control unit by
on right hand side of lifting frame as
performing steps 2 through 8.
2. Place the governor cabinet in a
1. Place unit into retainer.
temperature controlled oven in order to
2. Connect harness assembly.
melt the wax.
3. Install hinge cover to top of unit
3. Prior to installing printed wiring
and secure with two screws.
board assembly in cabinet, remove it from
oven and ensure the insulation paper is
positioned next to cabinet shell.
a. If necessary, refer to Operator and
4. Use suitable potting fixture to
Organizational Maintenance Manual and
locate and maintain cradle for harness.
adjust precise governor actuator linkage.
5. To install the unit in cabinet, use
heavy gloves and slowly lower the assem -
adj ustments and test points.
bly into the cabinet.
Normally, operating adjustments
Use extreme care not to splash hot
should be limited to desired read-
wax on personnel as severe injury
adjustment R1, and real load
sharing adjustment R28. The
6. Take unit away from heat and let
following alignment procedure is
wax cool. Place near or in front of cooling
used only for initial installation
device in order for wax to set more rapidly.
of governor or when any one of the
governor components are replaced,
Remove potting fixture when wax
or when adjustments of R7 or R28
will not correct improper operation.