Operation - Stanley TP08 User Manual

PREPARATION PROCEDURES
CHECK POWER SOURCE
1. Using a calibrated flow meter and pres sure gauge,
make sure the hydraulic power source develops a
flow of 7-10 GPM/26-38 LPM at 2000 psi/140 bar.
2. Make certain that the power source is equipped with
a relief valve set to open at 2100-2250 psi/145-155
bar maximum.
3. Make certain that the power source re turn pressure
does not exceed 250 psi/17 bar.
4. Make sure the trash pump inlet is clear of debris.
Remove any obstruction before operating.
CONNECT HOSES
1. Wipe all hose couplers with a clean lint free cloth
before making connections.
Do not connect pressure to the return port.
Motor shaft seal limit Is 250 psl/17 bar.
2. Connect the hoses from the hydraulic power source
to the couplers on the trash pump or trash pump
hoses. Connect the return hose first and disconnect
it last to minimize or avoid trapped pressure within
the trash pump motor.
Note: If uncoupled hoses are left in the sun, pressure
increase inside the hoses might make them difficult
to connect. Whenever possible, connect the free
ends of the hoses together.
3. Observe the arrow on the couplers to ensure that the
flow is in the proper direc tion. The female coupler on
the trash pump is the inlet (pressure) coupler.
PUMP OPERATION
1. Observe all safety precautions.
2. Attach a 4-inch/102 mm diameter fire hose to the
trash pump outlet. For best performance, keep the
fire hose as short as possible and lay it out to avoid
sharp bends or kinks.
Do not attach a nozzle to the outlet end of the fire
hose. For high-pressure water pumping, use a
STANLEY SM20 or SM50 and nozzle. The TP08
is designed for high GPM water flow at low water
pressure (head).
3. Attach a rope or cable to the trash pump's handle.
Lower the trash pump into the liquid to be pumped.
10 ► TP08 User Manual

OPERATION

Do not raise or lower the trash pump by its hoses or
couplers.
Never point the hose at bystanders.
4. Turn on the hydraulic power source. Watch for solids
in the liquid being pumped. If solids are excessive,
the discharge flow might decrease. If this happens,
stop the trash pump and check for the cause of the
problem.
Under some conditions, the liquid being pumped
might be slowed enough so It can no longer push
particles in the liquid. If this happens, particles can
accumulate in the pumping chamber, causing further
restriction. The impeller then acts as a "grinding
wheel" which causes acceler ated trash pump wear.
Reduced liquid flow can be caused by the following:
• The trash pump sinks into solids at the bottom
of the hole.
• The end of the outlet hose is too high, causing
an excessive lift height for the column of liquid
being pushed by the trash pump. This slows the
flow of liquid to a level where it can no longer
carry solids.
• The flow and pressure of hydraulic fluid to the
trash pump is too low, which re duces impeller
speed. A 20 percent de crease in hydraulic
fluid flow can reduce pump performance by 50
percent. When operating at reduced hydraulic
flow and pressure, the end of the outlet hose
should not be more than 30 ft/9 m above the
liquid.
Note: It will not damage the pump to operate it "dry."
5. When pumping is complete, set the hy draulic control
valve to the "OFF" posi tion. Lift the trash pump
from the work area using the rope or cable to avoid
damage to the hoses or couplers.
Observe the following for trash pump
6. The trash pump must maintain a mini mum impeller
speed in order to move solid particles through the
pump. While pumping liquids containing large solids,
monitor the flow from the outlet of the fire hose. If it
protection and care.