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PAGE2OF4 650299
GENERAL
DESCRIPTION
ARO Systems are totally enclosed, sealing the material in the system
from air and moisture, preventing premature cure-out of the material.
This allows for either continuous or intermittent use of the system and
reduces the need for daily system clean-up.
Built-in lift capability allows for quick drum changeover and easy lifting
of pump assembly from container.
INSTALLATION
The 650299 chop-check dispensing system comes completely asĆ
sembled. Remove unit from crate and place on a level surface. Install
material hose and dispensing device as required.
When the following instructions are observed, heavy paste materials
can be pumped directly from their original 55 gallon drum without air
inclusion or excessivewaste. The followerplate creates anair tightseal
as well as clean-wiping action in its progressive downward movement
into the drum.
OPERATING INSTRUCTIONS
FOLLOWER PLATE
AIR SUPPLY VALVE
AIR CONTROLS*
FIGURE 2
AIR
INLET
CONTROL
LEVER
GAUGE
OFF
ON
PRESSURE
REGULATOR
F034
* Typical View - Control Valve and Regulator may be reoriented.
TO RAISE LIFT, (THE FIRST TIME):
1. Take note of the pump / drum clearance above. Be certain the lift /
ram is clear of any objects above. Also refer to ``Operating and
Safety Precautions" found in ``Lifts and Rams General Information
Manual" (pn 97999-635).
2. Connect the air supply (160 PSI MAX.) to the air inlet. Adjust air
pressure on lift / ram pressure regulator (turn knob clockwise) to 20
p.s.i. (1.4 bar).
3. Shift the control valve lever to the ``up'' position.
4. Raise thelift / ram high enoughto clear the height ofthe drum. Stop
the lift / ram's upward travel bymoving the control valve lever to the
``neutral'' (center) position.
REFER TO PAGE 3:
1. Once the lift / ram assembly and pump are in the ``up" position,
place and center an opened 55 gallon drum of material on the lift /
ram base.
2. Lubricate lower follower wiper plate seal with grease. NOTE:Make
certain the grease is compatible with the material being dispensed.
This ensures a smooth fit into the drum as well as prevents curing
type compounds from bonding to seal.
3. Check vent plug on follower plate to be sure it easily threads in and
out. It is recommended to lubricate the threads of the plug to help
prevent possible set up of compound at this point. See 651616-X
Two Post Lift / Ram Operator's Manual.
TO LOWER LIFT:
WARNING
PINCH HAZARD. Follower can descend quickly
causing injury. Keep hands clear when aligning with containĆ
er.
NOTE: Becertainthe followerplateventplug hasbeenremovedso
that the air trapped between the follower and the material is allowed to
escape from this vent. Captured air between the follower plate and
drum will escape.
NOTE: The lift / ram may hesitate momentarily before starting downĆ
ward. The air pressure inside the post air chamber must decrease beĆ
fore it will begin to descend.
1. Shift the control valve lever to the ``down'' position and proceed to
lower the pump.
2. Replace the vent plug once the material begins to ooze from the
vent opening.
3. The unit is now ready for operation. Adjust the air pressure on the
pump filter / regulator (turn pump regulatorknob clockwise)until the
pump begins to cycle.
4. Trigger gun to prime pump with material.
TO RAISE LIFT, (NORMAL OPERATION):
1. Adjust the follower plate air valve pressure up to approximately 8
psig (.55 bar). DO NOT OVERPRESSURIZE THE DRUM to avoid
damage. NOTE: Air from this valve will only pass when the control
lever is in the ``up'' position.
2. Shift the control valve lever to the ``up'' position.
3. Raise thelift / ram high enoughto clear the height ofthe drum. Stop
the lift / ram's upward travel bymoving the control valve lever to the
``neutral'' (center) position.
4. Place and center a new drum into position. Remove cover.