Pickup; Renewal Parts - GE HFA54 Instructions Manual

iv) To check performance,
continuity lamp is lit.
and all continuity lamps should be lit.
Back off the stop screw to obtain at least 1/4 inch contact gap.
v) Insert a 7/32-inch gage between any of the normally-open moving and
stationary contacts and turn the stop screw clockwise until the
continuity lamp lights.
the locking nut.
3.2. Normally - Closed Contact Gap and Wipe
The moving contact arms must be adjusted so that the normally - closed
a.
contacts make approximately simultaneously
operated by hand.
of the
Adjustments can be made as follows:
i) Turn the stop screw clockwise until the first normally-closed contact
opens.
ii) Turn the stop screw an additional 1/2 turn clockwise.
closed contacts should be open.
iii) Turn stop screw counterclockwise until there is approximately 1/8 gap
between the stop screw and armature.
position.

PICKUP

The main coil should be adjusted to pick up at 80% of rated voltage for AC
relays, and 60% of rated voltage for DC relays.
unseating the knurled adjusting nut at the lower end of the armature and turning
this nut in a clockwise direction to raise the pickup.
turning the nut in the counterclockwise direction.
The reset coil should pick up at 80% of rated AC voltage, and 50% to 75% of
rated DC voltage.
reset coil is rated intermittently,
voltage.
After all adjustments are completed, the mounted relay should be operated a few
times to be certain that the mechanism operates freely and that the contact surfaces
align properly. Check to see that the armature latches in when operated by hand,
and opens readily when reset.
When ordering renewal parts, address the nearest Sales Office of the General
Electric Company,
complete nameplate data.
The wipe and gap are automatically set by the formation
stationary contacts and the strength
There is no adjustment available to alter this pickup.

RENEWAL PARTS

specify quantity required,
The renewable parts publication is GEF - 2757.
GEI-68720
turn the stop screw in until one contact
Turn stop screw in an additional 1/2 turn
Lock the stop screw in this position with
Lock the stop screw in this
This adjustment may be obtained by
care should be exercised when applying this
name of the part wanted,
9
(� .008) when the relay
of the control spring.
All normally -
The pickup is decreased by
is
Since the
and the