Preventative Maintenance - Graco 8900 Installation And Operation Manual

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15.
PREVENTATIVE MAINTENANCE RECOMMENDATIONS
a)
Air Supply: Oil level in main air line lubricator should be checked daily
and refilled when required with SAE 10W non-detergent oil. Adjust to
dispense 1 drop per minute during operation.
Main air line filter should be drained as required. Excessive amounts of
water in the system will reduce machine performance.
b)
Housekeeping: Spilled materials on any part of the equipment should be
cleaned up promptly. Your system is precision equipment and should be
maintained as such. A light coating of Vaseline on components will often
prevent spilled material from sticking to equipment.
c)
Pumps:
operation and weekly thereafter.
Pumps using admex fluid (clear inert oil) should be maintained at an
adequate level in the pump packing reservoir. This admex fluid prevents
material form sticking to pump rods, extends packings life, and prevent
material contamination from the atmosphere.
d)
Meter:
regularly if included. Housekeeping operations important.
e)
Mixer: With most materials, frequent use of equipment is adequate to
prevent internal curing. Some materials have a tendency to cure slowly
on the walls of the mixing chamber. Experience will dictate the frequency
with which the mixer or mixer elements must be replaced or thoroughly
cleaned.
f)
O-rings/Seals: O-rings and seals will be damaged if soaked in solvents.
When reusing, wipe with solvent and dry immediately.
Installation and Operation of Model 8900 VR
Pump packing should be tightened daily the first week of
Maintain admex fluid in reservoir if used; grease zerk fitting
19

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