Enerpac P-18 Manual De Instrucciones página 7

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2. Model P-84 only: install a 0-15,000 psi [0-1000
bar] pressure gauge in the pump "A" port. Install
a pipe plug in the pump "B" port. Move the control
valve lever to the (A) position.
3. Using a 1/4" Allen wrench, remove the dust plug
over the relief valve adjustment screw.
• On models P-18 and P-39, the relief valve is
located on the top surface of the pump head. See
Figure 12.
• On models, P-77, P-80, P-801 and P-84, the
relief valve is located on the side of the pump
head. See Figure 13.
Note: To obtain an accurate setting during the
following steps, always decrease the pressure to a
point below the desired final setting and then slowly
increase the pressure until the final setting is reached.
4. Using a 7/32" Allen wrench, loosen the relief valve
adjustment screw about 2 turns. See Figure 14.
5. While operating the pump handle, slowly turn
the relief valve adjustment screw clockwise until
pressure increases to the desired setting. The
pressure setting is indicated when additional
pumping does not result in a higher pressure
reading on the gauge.
WARNING: Never set the relief valve
pressure above 10,500 psi [725 bar].
Serious personal injury could result if this
maximum limit is exceeded. Damage to pump and
components may also occur.
6. All models except P-84: After the desired
setting is obtained, turn the release valve counter
clockwise to relieve system pressure. Check that
pressure gauge indicates zero (0) psi/bar.
7. Model P-84 only: After the desired setting is
obtained, move the valve handle to the (N) neutral
position to relieve system pressure. Check that
pressure gauge indicates zero (0) psi/bar.
8. All models except P-84: Remove pressure gauge
from pump oil outlet port. Reinstall dust plug over
relief valve adjustment screw.
9. Model P-84 only: Remove pressure gauge from
pump "A" port. Remove pipe plug from pump
"B" port. Reinstall dust plug over relief valve
adjustment screw.
Figure 12, Relief Valve (P-18 and P-39)
Dust
Plug
Figure 13, Relief Valve (P-77, P-80, P-801 and P-84)
Decrease
Figure 14, Relief Valve Adjustment Screw
8.0 BYPASS VALVE ADJUSTMENT
MODELS P-77, P-80, P-801 and P-84
The bypass valve controls the pressure at which a
two-speed pump shifts from the first to the second
stage. See Figure 15.
The bypass valve is factory set and should not
require readjustment unless the pump is overhauled
or repaired. If needed, readjustment should be
performed only by an Enerpac Authorized Service
Center.
Dust
Plug
7
Bypass
Valve
Figure 15, Bypass Valve
(P-77, P-80, P-801 and P-84)
Increase

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Este manual también es adecuado para:

P-39P-77P-80P-801P-84

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