Lincoln Electric IM680 Power Wave Water Cooler - Manual (Page 11)

REMOVING THE G3503-[ ] WATER COOL-
ER FROM THE BASE FOR SERVICE:
• Always turn off the power to the water cooler
and to the power source before servicing the
machine.
• Always disconnect the Power Wave machine
from its service input power before servicing
the machine.
• Do not remove the pump relief valves 3/4” hex
nut or attempt to adjust the relief valve setting.
1. Remove the front panel by removing the four
screws holding it in place. Save the screws.
2. Remove both fasteners from the base which hold
the cooler in place. Carefully pull the water cooler
forward until the cooler’s Molex connectors are visible.
3. Disconnect both the water cooler’s Molex connectors.
4. Pull the water cooler completely out of the machine.
5. Perform service or periodic maintenance on the
cooler.
6. Reinstall the water cooler by reversing steps 1 through 4.
7. If necessary, fill the water cooler with recommend-
ed coolant (Page D-3) to level shown (Figure
2,Page D-2).
8. Prime the cooler:
a. Keep accessories’ hose lengths horizontal,
either coiled or straight, and no higher than 4
feet of the specified coolant level (Fig. 2).
b. Switch on the Power Wave machine.
c. Turn on and hold the PRIME switch for approxi-
mately 10 seconds until the green LED “flow
on” lights.
9. Check coolant level. Add more if required.
WARNING
WATER COOLER PERIODIC MAINTENANCE
1. Preparation:
• Always switch off the Power Wave machine
power.
• Always disconnect the Power Wave
machine from service input power.
• Do not remove the pump relief valves 3/4
in. acorn hex nut or attempt to adjust the
relief valve setting.
2. Remove the cooler G3503-[ ] from the Power
Wave machine.
3. Clean the pumps inlet strainer:
• Drain the reservoir of coolant and dispose of it
in an environmentally responsible manner (see
Recommended Coolants).
• Place absorbent towels underneath pump
head.
• Hold pump head to apply counter torque when
loosening strainers 7/8 acorn nut. Do not con-
fuse with 3/4 acorn nut. Remove nut and slide
inlet strainer down and out from pump head.
• Gently rinse strainer under running water to
thoroughly clean it.
• Use the mirror to inspect inside of pump for
contamination. Carefully remove hardened
debris with dental pick if necessary, without
scratching inside of the pump.
• Reinstall strainer and acorn nut, tightening
with 75±15 in.-lbs. of torque. Wipe dry all
areas wetted by coolant. Dispose of towels in
an environmentally responsible manner (see
Recommended Coolants).
4. Remove fan shroud and inspect hoses and electri-
cal harnesses for kinking or damage (cut, abrasion,
swelling, etc.). Replace if necessary.
5. Remove accumulated dust from cooler, especially
from the motor and heat exchanger, by blowing it
off with shop air or vacuuming it out.
• The heat exchanger fins are sharp but can be
easily bent. Treat them with care to avoid per-
sonal injury and damaging them.
• Remove the cooler from the machine for a
more thorough cleaning job.
6. Motor lubrication is recommended once a year:
• Remove plug over lube port at top of motor
near fan end.
• Add 20 drops of electric motor or SAE 10 oil
then reinstall plug.
WARNING
D-1 MAINTENANCE D-1
POWER WAVE WATER COOLER
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
• Disconnect input power by remov-
ing plug from receptacle before
working inside Cooler.
• Do not operate with covers
removed.
• Use only grounded receptacle.
• Do not remove the power cord ground prong.
• Do not touch electrically “hot” parts inside
Cooler.
• Have qualified personnel do the installation,
maintenance and troubleshooting work.
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See additional warning information at
front of this operator’s manual.
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WARNING