BVA Hydraulics PA1500M, PA3801M - Manual (Page 4)

4
Port A Port B Port A Port B Port A Port B
Position 1: Pressurized oil
flows to port “B”, port “A”
returns flow to tank.
P T P T P T
Position 2: Neutral, portss
“A” and "B" are closed. Hold
Position.
Position 1: Pressurized oil
flows to port “A”, port “B”
returns flow to tank.
1
2
3
Port A Port B
Figure 2 - Flowpath of the valve positions and operations
WARNING: Always monitor pressure, load or position
using suitable equipment. Pressure may be monitored
by means of an optional manifold and gauge. Load
may be monitored by means of a load cell and digital
indicator. Correct application position can only be
determined by the operator of the equipment.
1. Connect air supply to the 1/4” NPT air nipple.
2. Remove manifold plug, connect to hydraulic hoses and
suitable application.
3. Shift the valve to desired position. There are three positions
available, refer to Figure 2 on below for the flowpath.
4. After shifting the valve, press on the foot pedal until desired
pressure, load or position is reached. Always monitor
pressure, load or position using suitable equipment.
Pressure may be monitored by means of optional
manifolds and gauges (contact BVA Hydraulics). Load
may be monitored by means of a load cells and digital
indicators.
NOTICE: Do not continue to operate pump after cylinder
plunger is fully extended or retracted.
5. Release the foot pedal will stop the pump flow.
NOTICE: Both air input ports use a 1/4 NPT air nipple (not
included). It is recommended to install an inline air filter
upstream from the pump to provide clean, lubricated air.
Contact BVA Hydraulics for necessary accessories.
!
!
BEFORE USE
1. Before using this product, read the instruction manual
completely and familiarize yourself thoroughly with the
product and the hazards associated with its improper use.
2. Know your pump, its limitations and how it operates before
attempting to use.
3. Replace shipping plug (red color) with air vent plug (black
color) before use. Refer to item #68 on Service Parts
Sheet.
4. Remove plastic cap from the air inlet port on the end of the
pump, then connect with a 1/4”NPT air nipple (not supply
with pump). Use teflon tape or similar thread sealant on
thread connection.
NOTICE: When using the teflon tape or pipe thread compound.
Tighten securely to prevent accidental removal of compound
while in use. Take care not to introduce compound into port
orifices.
OPERATION
WARNING: To reduce the risk of personal injury and/
or property damage, hydraulic connections must be
securely fastened before building pressure in the
system. Release all system pressure before loosening
any hydraulic connection in the system.