Crane Barnes 3SE3024L, Инструкция по установке и эксплуатации

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9
Caution! - Pressure builds up extremely
fast, increase pressure by “tapping” air
nozzle. Too much pressure will damage
seal. Do Not exceed 10 P.S.I. in motor
housing.
F-2) Impeller and Volute Service:
F-2.1) Disassembly and Inspection:
To clean out volute (26), or replace impeller (28), disconnect
power, remove hex nuts (20) and lock washers (19), vertically
lift motor and seal assembly from volute (26). Clean out
volute if necessary. Clean and examine impeller (28) for
pitting or wear, replace if required. Inspect square ring (42)
and replace if cut or damaged. If impeller (28) requires
replacing, remove jam nut (34) and washer (35). The impeller
is keyed onto the shaft with a square key (33) and to remove,
pull impeller straight off the shaft using a wheel puller, if
required. Before reinstalling, check the motor shaft and
impeller bore for damage. Once impeller (28) is removed,
remove pull washer (16) and exclusion seal (17) if damaged
or cut. (See Figure 9 and 10)
F-2.2) Reassembly:
To install impeller (28), apply a thin fi lm of oil to motor shaft
and slide impeller straight onto shaft, keeping keyways lined
up. Drive key (33) into keyway. Locate washer (35), apply
thread locking compound to shaft threads, thread hex nut
(34) to shaft and torque to 40 ft. lbs. Rotate impeller to check
for binding. Position square ring (42) on volute fl ange and
position impeller and motor housing on volute (26). Install
lock washer (19) and nuts (20) on studs (24) in volute (26).
Torque to 20 ft. lbs. Check for free rotation of motor and
impeller. (See Figure 11 or 13)
F-3) Motor, Bearing and Seal Service
F-3.1) Disassembly and Inspection:
To examine or replace the motor (1), shaft seal (46), and
bearing (47), drain oil from motor as outlined in paragraph
F-1.2. Disassemble volute and impeller as outlined in
paragraph F-2.1. (See Figure 3, 4, and 5)
FIGURE 4
47
FIGURE 5
FIGURE 3
SEAL ASSEMBLY (46)
RETAINING RING (46D)
SEAL PLATE (25)
SPRING (46C)
ROTATING MEMBER (46B)
STATIONARY (46A)
CONDUIT BUSHING (14)
WASHER (9)
PULL WASHER (16)
EXCLUSION SEAL (17)
MOTOR END
(INBOARD END)
PUMP END
(OUTBOARD END)
Retaining Ring (30)
Ball Bearing (47)