Operating Instructions - RIDGID KJ-2200 Manual De Instrucciones

Operating Instructions

Always wear eye protection to protect your eyes
against dirt and other foreign objects. Always wear
appropriate personal protective equipment for the
work environment.
Never operate the jetter with the hose end outside of
the drain. Hose can whip, causing striking injuries
and spray can penetrate skin and cause serious in-
jury.
High pressure fluid can inject under skin resulting in
serious injury, including amputation. Do not direct
spray at people or animals.
Do not operate jetter above pressure rating or 140°F
(inlet water temperature). This increases the risk of
injury, including burns, and damage to the jetter.
One person must control both the jetting process
and the foot valve. Always use the foot valve. If
the jetter hose comes out of the drain, the operator
must be able to shut the water flow off to reduce the
risk of the jetter hose whipping, causing striking
and high pressure injection injuries.
Always use appropriate personal protective equip-
ment while handling and using drain cleaning equip-
ment. Drain may contain chemicals, bacteria and
other substances that may be toxic, infectious,
cause burns or other issues. Appropriate personal
protective equipment always includes safety glasses
and gloves, and may also include equipment such as
latex or rubber gloves, face shields, goggles, pro-
tective clothing, respirators, and steel toed footwear.
Follow operating instructions to reduce the risk of
injury from whipping hoses, high pressure liquid in-
jection, carbon monoxide and other causes.
1. Make sure that machine and work area is properly set
up and that the work area is free of bystanders and
other distractions. If the jetter is located remotely
from the point of use, another person should be lo-
cated at the jetter.
2. Insert the hose with nozzle attached into the drain at
least three feet so that the end of the hose will not
come out of the drain and whip around when the
machine is started.
3. Confirm that the pulse actuator lever is rotated count -
er-clockwise in the "Pressure" position (Figure 16) .
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KJ-2200/KJ-3100 Water Jetting Machines
4. Open the inlet supply valve. Never start the engine
without the water supply turned ON. This can damage
the pump.
5. Press the foot valve to reduce pressure and allow the
engine to start. Confirm that water flows freely through
the nozzle. Following the starting instructions supplied
in the engine manual, start the engine. Allow the en-
gine to warm up.
Pressure Gauge
Pulse Actuator
Figure 13 – Controls
6. Turn the unloader valve while monitoring the pressure
gauge to adjust the pressure as desired (clockwise to
increase pressure, counter-clockwise to decrease
pressure). Do not exceed the machine pressure rat-
ing being used. Do not force the unloader valve or use
wrench es or tools to turn. This will damage the un-
loader valve.
Jetter
KJ-2200
KJ-3100
If the jetter will not generate the rated pressure or is er-
ratic
• Make sure the engine throttle is properly adjusted.
• Make sure that the inlet supply valve is fully open
and other valves in the supply system are fully
open.
• Turn unloader valve clockwise to increase pres-
sure. Do not force.
• Make sure the pulse actuator is on the "Pressure"
setting.
• Cycle the pulse actuator between the "Pressure"
and "Pulse" position several times while the unit is
running to clear any trapped air from the system.
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Unloader
Valve
Thermal
Overload
Pressure Rating
2200 psi
3000 psi
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