GORMAN-RUPP PUMPS PRIME AIRE PLUS PA10A60C-B, Инструкция по установке, эксплуатации и техническому обслуживанию с перечнем запасных частей

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OM-06674
PAH SERIES
MAINTENANCE & REPAIR PAGE E - 17
(18) and gasket (20). Press the oil seal (19) from
the drive flange.
Place a block of wood against the impeller end of
the shaft, and tap the shaft until the outboard bear­
ing (23) is free from the pedestal. Reach into the
pedestal with a pair of snap ring pliers and remove
the retaining ring (24) from the groove in the pedes­
tal. Continue to slide the shaft and assembled
bearing out of the pedestal until free.
Pry or press the oil seals (12 and 12A) from the
bearing housing. Remove the pedestal O‐ring (13).
After removing the shaft and bearings, clean and
inspect the bearings
in place as follows.
To prevent damage during removal from
the shaft, it is recommended that bearings
be cleaned and inspected
in place . It is
strongly recommended that the bearings
be replaced any time the shaft and bear­
ings are removed.
Clean the pedestal, shaft and all component parts
(except the bearings) with a soft cloth soaked in
cleaning solvent. Inspect the parts for wear or dam­
age and replace as necessary.
Most cleaning solvents are toxic and
flammable. Use them only in a well ven­
tilated area free from excessive heat,
sparks, and flame. Read and follow all
precautions printed on solvent contain­
ers.
Clean the bearings thoroughly in fresh cleaning
solvent. Dry the bearings with filtered compressed
air and coat with light oil.
Bearings must be kept free of all dirt and
foreign material. Failure to do so will great­
ly shorten bearing life.
Do not spin dry
bearings. This may scratch the balls or
races and cause premature bearing fail­
ure.
Rotate the bearings by hand to check for rough­
ness or binding and inspect the bearing balls. If ro­
tation is rough or the bearing balls are discolored,
replace the bearings.
The bearing tolerances provide a tight press fit
onto the shaft and a snug slip fit into the pedestal.
Replace the bearings, shaft, or pedestal if the
proper bearing fit is not achieved.
If bearing replacement is required, straighten the
tab on the bearing lock washer (22) and use a suit­
able spanner wrench to remove the bearing lock
nut (21). Use a bearing puller or a press to remove
the bearings from the shaft.
Remove the retaining ring.
Shaft and Bearing Reassembly and Installation
(Figure 3)
Clean and inspect the bearings as indicated in
Shaft and Bearing Removal and Disassembly .
To prevent damage during removal from
the shaft, it is recommended that bearings
be cleaned and inspected
in place . It is
strongly recommended that the bearings
be replaced any time the shaft and bear­
ings are removed.
Inspect the shaft (26) for distortion, nicks or
scratches. Dress small nicks and burrs with a fine
file or emery cloth. Replace the shaft if defective.
The bearings may be heated to ease installation.
An induction heater, hot oil bath, electric oven, or
hot plate may be used to heat the bearing. The
bearings should
never be heated with a direct
flame or directly on a hot plate.