14
HYDRAULIC RESERVOIR MOUNTING
CAUTION!
ALWAYS MOUNT THE RESERVOIR AT LEAST 12
INCHES HIGHER THAN THE CENTERLINE OF THE
PUMP TO ELIMINATE CAVITATIONS.
Key considerations when remote mounting a
reservoir include:
• Ease of access for replacing hydraulic fluid and
filter, and checking the fluid level and
temperature.
• Heat from external sources, such as adjacent
motor or pump-house access holes.
HYDRAULIC CONNECTIONS
CAUTION!
ENSURE THE PUMP CASE DRAIN IS ON THE TOP
OR SIDE WHEN MOUNTING THE PUMP.
FAILURE MAY OCCUR IF IT IS LOCATED ON
THE BOTTOM.
Harrison Hydra-Gen standard hose sizing is #16
hose for the pump suction inlet, #8 hose for the
pump pressure outlet and #8 or #6 for pump case
drain, depending on model. Hose sizes and
ratings are included in the following installation
section and are good for applications where hose
lengths are less than 20 feet.
For hose lengths greater than 20 feet, we
recommend hose sizes at least one (1) size larger
than specified above. This is to ensure an
adequate hydraulic fluid flow rate to the pump.
Contact the Harrison Hydra-Gen factory at
1-800-723-3334 for assistance.
HOSE SPECIFICATIONS
Suction Hose (#16), “Wire Inserted Suction” Hose
Must be rated for suction
Max Operating Pressure: 60 psi
Vacuum Service (sizes 12 – 64): 28 in./Hg.
Approved Example: SAE100R4
Route from the reservoir outlet to the pump inlet.
Pressure Hose (#8)
Max Operating Pressure: 4000 psi
Temperature Rating: -40°F - +200°F
Approved Example: SAE100R12
or
Max Operating Pressure: 5000 psi
Temperature Rating: -40°F - +200°F
Approved Example: SAE100R13
Match hose to system pressure requirements. Route
from the pump outlet to the generator tray pressure in
port.
Case Drain Hoses (#8)
Max Operating Pressure: 250 psi
Temperature Rating: -40°F - +200°F
Approved Examples:
SAE100R3, SAE100R1A, and SAE100R1AT
Route from the pump case to the generator tray case
in port.
Reservoir Return Hoses (#8)
Max Operating Pressure: 600 psi
Approved Examples:
SAE 100R1A or SAE 100R1AT
Loop Return: Route from the generator tray to the
reservoir filter in port.
Case Return: Route from the generator tray to the
case in port of the reservoir.
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