moyno 20302, Руководство по обслуживанию

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Viscosity CP Limit RPM
1-300 1750
300-1,000 1200
1,000-2,000 700
2,000-5,000 350
5,000-10,000 180
10,000-20,000 100
4. Insufficient motor HP: Check HP requirement.
Noisy Operation.
1. Starved suction: Check fluid level, size of piping,
and obstructions in pipe.
2. Bearings worn: Replace parts.
3. Insufficient mounting: Mount securely. Reduce
vibration induced noise by using a short section of
hose on discharge piping.
Seal Leakage.
1. Leakage at startup: If leakage is slight, allow pump
to run several hours to let faces run in.
2. Persistent seal leakage: Faces may be cracked
from freezing or thermal shock. Replace seal.
Pump Will Not Prime.
1. Air leak on suction side: Check pipe connections.
PUMP DISASSEMBLY
WARNING:
Before disassembling pump, disconnect
power source and thoroughly bleed
pressure from system. Failure to do so
could result in electric shock or serious
bodily harm.
1. Disconnect suction and discharge piping.
2. Remove screws (9) which secure suction housing
(2) to pump body (1). Remove suction housing (2)
and stator (3).
3. Rotor (4) is removed from shaft (5) by turning in a
counterclockwise direction (R H thread).
4. If any parts of the mechanical seal (8) are worn or
broken, the complete seal assembly should be
replaced. Seal components are matched parts and
are not interchangeable.
5. The bearings (6) and shaft (5) assembly can be
removed from the pump body (1) after the snap
ring (7) has been removed. To remove the
assembly, tap the shaft at the threaded end using
a block of wood to protect the threads. Pull slinger
ring (11) from shaft. The bearings (6) may then be
pressed off the shaft.
Note: When replacing bearings, always press on the
inner race when assembling to shaft, and on
the outer race when pressing bearings into the
housings to prevent damage to the races.
PUMP ASSEMBLY
1. Press inboard bearing on shaft using inner race.
Install slinger ring (11) on shaft. Press inboard
bearing & shaft into pump body using outer race.
Press outboard bearing on shaft and into pump
body using both races. Secure with snap ring (7).
2. Install mechanical seal (8) using the following
procedure:
a. Clean and oil sealing faces using clean light oil
(not grease).
Caution: Do not use oil on EPDM parts. Substitute
glycerin or soap and water.
b. Oil the outer surface of the seal seat, and push
the assembly into the bore in the pump body (1),
seating it firmly and squarely.
c. After cleaning and oiling the shaft, slide the seal
body along the shaft until it meets the seal seat.
d. Install seal spring and spring retainer on shaft.
3. Screw rotor (4) on shaft (5) in a clockwise direction
(R H thread).
4. Secure stator (3) and suction housing (2) to pump
body (1) with screws (9).
5. Connect suction and discharge piping and proceed
as outlined in installation instructions.
WARNING:
Replace belt or coupling guards before
reconnecting power.
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