Maintenance
60 312359R
Feed Pumps
• Keep the packing nut/wet-cup half filled with Graco
Throat Seal Liquid (TSL
™
) or compatible solvent to
help prolong packing life.
• Adjust the packing nut weekly so it is just tight
enough to prevent leakage. Use a spanner wrench
or a 0.25 in. (6.3 mm) diameter rod to tighten the
nut. Do not over-tighten.
• Never leave the pump or hoses filled with water or
air. To help prevent corrosion, flush the water and all
air out of the system and leave it filed with mineral
spirits or an oil-based solvent.
Agitators
• After the first 100 hours, or two weeks of operation,
change the gear reducer oil. After that, change the
oil every 2500 hours, or six months (whichever
comes first) of operation under normal conditions.
More frequent oil changes are needed under severe
operating conditions or in atmospheres containing
excessive moisture or abrasives. See your agitator
manual for the oil changing procedure.
• If the air motor is operating sluggish or inefficiently,
flush the air motor (see your agitator manual).
• Every 2500 hours, or six months (whichever comes
first) of operation, inspect the bearing block (see
your agitator manual).
0.25 in. (6.3 mm)
Diameter Rod
NOTICE
To prevent air motor failure and possible damage to
equipment, always keep the air motor properly
lubricated using Air Motor Lubricant.
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