Simplex P20 Hoja De Instrucciones página 4

1. Position lever on 4-way valve to select function as follows:
(2) Flow to port "A"; port "B" returns flow to the reservoir
(3) Neutral; ports "A" and "B" are blocked
(4) Flow to port "B"; port "A" returns flow to the reservoir
2. Operate pump to perform work.
3. Change valve positions as needed.
WARNING
Operate double-acting cylinder only when both hoses are
connected to the pump. If one coupler is left unconnected,
high pressure will build behind the coupler which could
cause personal injury and/or equipment damage.
Air Removal
Removing air from the hydraulic system will help the cylinder to advance and
retract smoothly.
Pump With Single-Acting Cylinder (A):
1. Vent pump reservoir (for vented pumps only) and close release valve.
2. Position pump at higher elevation than cylinder.
3. Position cylinder with the plunger end down.
4. Operate pump to fully extend the cylinder.
5. Open release valve to retract cylinder. This will force the trapped air to move
up to the pump reservoir.
6. Repeat the above steps as necessary.
Pump With Double-Acting Cylinder (B):
1. Vent pump reservoir (for vented pumps only).
2. Position pump at higher elevation than cylinder.
3. Put cylinder in horizontal position with ports up.
4. Fully advance and retract the cylinder 2 to 3 times.
5. Repeat above steps as necessary.
MAINTENANCE
Adding Oil to the Pump
Check oil level regularly.
WARNING
Always add oil with cylinders fully retracted (extended if pull
cylinders) or the system will contain more oil than the reservoir
can hold.
1. Remove vent/fill cap from reservoir.
2. Fill reservoir only to level mark shown on pump.
3. Remove air from system if necessary. Recheck oil level after removing air.
4. Return vent/fill cap to proper position.
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