Crane Barnes SGV 2 HP, Руководство по обслуживанию

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Readings should be as follows:
(1 Phase motor)(Approximate)
Red to Black = 7.7 to 8.3 Start & Run Resistance
Red to White = 6.3 to 7.2 Start Resistance
Black to White = 1.1 to 1.7 Run Resistance
(All fi gures are approximate, variances may occur as results of pump motor manufacturer specs, and or,
direct burial cable of varying lengths.)
The totals of the two low fi gures (red to white and black to white should equal the red to black.)
Example:
Red to Black = 8.0 This fi gure should total the other two readings.
Red to White = 6.6
Black to White = 1.4
Total: = 8.0
If these readings do not correlate, then the motor windings or wiring is faulty.
TABLE 1: Motor Winding Resistance
MODEL No. HP VOLTS PH RPM
(Nom)
NEMA
START
CODE
FULL
LOAD
AMPS
LOCKED
ROTOR
AMPS
CORD
SIZE
CORD
TYPE
CORD
O.D.
WINDING
RESISTANCE
MAIN-START
SGV2002L 2 200 1 3450 F 17.0 53.0 12/4 SOW 0.67±.02 0.9 - 7.2
SGV2022L 2 240 1 3450 F 16.0 46.0 12/4 SOW 0.67±.02 1.4 - 7.2
SGV2062L 2 200 3 3450 J 11.0 42.0 12/4 SOW 0.67±.02 2.4
SGV2032L 2 240 3 3450 H 9.0 36.0 12/4 SOW 0.67±.02 3.1
SGV2042L 2 480 3 3450 H 4.0 18.0 12/4 SOW 0.67±.02 12.4
SGV2052L 2 600 3 3450 H 3.2 14.4 12/4 SOW 0.67±.02 16.1
Winding Resistance ±5%. Pump Rated For Operation at ±10% Voltage at Motor.
Jammed or Worn Cutter
Check the cutter for freedom of movement, the cutter should move by hand. Also check for excessive wear,
if there is evidence of this, then the worn piece(s) must be replaced.
NOTE: If the cutter is excessively worn, the shredding ring may be reversed.
Check Valve Evaluation
To check the performance of the check valve, remove the white PVC cap on the top of the valve. Perform a
visual inspection of the ball to determine that the ball is not grooved, pitted, or distorted. In addition, look in
the valve to make certain it is free of obstructions that may cause the valve ball to not seat properly.
Moveable Alignment
To prevent the moveable from leaking, make a visual check from the face of the moveable to the lower
pump bracket. The face of the moveable needs to be parallel to the lower pump bracket. When assembled
on the pump, the moveable face will be perpendicular to the centerline of the pump discharge.