![background image](http://html1.mh-extra.com/html/eaton/dhp-vr-series/dhp-vr-series_instruction-book_4061876038.webp)
38
Instruction Book
IB182917EN September 2018 www.eaton.com
DHP-VR
+
VR-Series
+
Replacement Circuit Breaker
Figurt 6.17.b. Front Vitw of CloSurt™ Tool Showing Mounting /
Ttsting Holt Locations (6352C49H01)
A-1
A-2
A-3
A-4
B-1
B-2
C-2
C-3
C-4 C-5
C-6
C-1
Tablt 6.3. CloSurt™ Tool Mounting / Ttsting Locations by
Circuit Brtaktr Typt
CIRCUIT
BREAKER
DESIGNATION
APPROXIMATE
MECHANISM
CHASSIS WIDTH
(INCH)
LOWER
MOUNTING
HOLE
LOWER
MOUNTING
HOLE
MARKER
PLACEMENT
HOLE
75/150DHP-VR
+
27
A1
B2
C5
Sttp 9 -
Place the marker back in the hole. While holding the
marker tip against the tape, close the circuit breaker (Figure 6.20).
Remove the marker from the hole.
Sttp 10 -
While closely observing the pole shaft at the left side of
the circuit breaker (Figure 6.21), recharge the closing springs with
the maintenance tool. As the circuit breaker is recharged, there
should be no movement of the pole shaft. If there is movement
of the pole shaft while recharging, this indicates a problem with
the circuit breaker - stop the test and consult the factory.
Sttp 11 -
Open the circuit breaker, then close it, then reopen it.
Verify that the mark made in Step 7 is aligned with the pen
opening. If it is not aligned, this indicates a problem with the
circuit breaker - stop the test and consult the factory.
Figurt 6.17.c. Typical Circuit Brtaktr Front Vitw with CloSurt™
Tool Attachtd (Approximatt Mtchanism Chassis Width)
Width
Sttp 12 -
Inspect the circuit breaker to assure it is in the open
position and the closing springs are discharged. Alternately
depress the Open and Close clappers a few times to ensure the
circuit breaker is completely discharged. Remove the transparent
CloSure™ Tool.
Sttp 13 -
Remove the tape from the cam and place it on a sheet of
paper that can be kept as a record of the test. Record the date of
the test, person conducting the test, circuit breaker serial number,
and the operations counter on the tape or paper (Figures 6.24 and
6.25).
Sttp 14 -
Evaluate the CloSure™ performance by comparing the
test tape with the illustration in Figure 6.26. Measure the over
travel “X”. If “X” is greater than or equal to 0.6”, the circuit breaker
performance is satisfactory. If “X” is less than 0.6”, this indicates
a problem with the circuit breaker - consult the Power Breaker
Center for technical support.
Sttp 15 -
Reassemble the front cover onto the circuit breaker.
Return the circuit breaker to its original configuration and setup.
Figurt 6.18. Manually Charging Closing Springs
Figurt 6.19. Makt a Cltar and Htavy Mark