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MAINTENANCE
WARNING
before performing any maintenance on the heater.
Follow the Pressure Rellef Procedure on pege 2
1. Drain and clean the fluid filter frequently to be sure
it
filters the fluid thoroughly. Always relieve system
pressure first, and cool the fluid, if possible. If not
tect yourself from possible burns.
possible wear protective eyeweer end gloves to pro-
2. Flush the heater often enough to prevent a buildup
of dried sediment in
it.
3.
If the system runs dry, refill
it
immediately before
fluid can dry in
it.
Or flush the system thoroughly if
you are not going to use it immediately.
4. To drain the fluid from the heater, first relieve all
system pressure.
Cool
the fluid if possible. Remove
the drain plug (7) in either end plate and drain the
fluid into a container. See Fig 4.
l - c
5. Shutdown.
When shutting down the system, turn the control
knob (V) to set point 1 and circulate the fluid for et
least
10 minutes before shutting off the pump.
This allows unheated fluid to gradually cool the
heater and heated fluid.
ns
4
SERVICE
WARNING
Always relieve the fluid pressure in the heater,
Presaure Relief Procedure
pump and hoses before checking or adjusting any
3.
Shut off
all
air and fluid supplies.
4. Disengage the gun safety latch. Trigger the gun
component in the system. This is to reduce the risk
into a grounded metal pail to relieve pressure
of serious bodily injury, including fluid injection,
splashing fluid
in
the eyes or on the skin, burns
and engage the safety latch again.
5. Open the fluid filter drain valve, having a con-
from contact with hot metal parts or hot fluid, end
electric shock.
6. If you are working on any pert of the heater,
tainer ready to catch the fluid.
1. Engage the trigger safety latch.
shut off the main electrical power to
it.
2.
Turn the heater setpoint to 1 and circulate fluid
for at least 10 minutes to cool the heated fluid
and the heater.
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