Crane BARNES 4SE Series, Installation And Operation Manual

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CAUTION !
ALWAYS WEAR EYE PROTECTION WHEN WORKING
ON PUMPS.
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.
TABLE 1 - COOLING OIL - Dielectric
SUPPLIER GRADE
BP Enerpar SE100
Conoco Pale Paraffin 22
Mobile D.T.E. Oil Light
G & G Oil Circulating 22
Imperial Oil Voltesso-35
Shell Canada Transformer-10
Texaco Diala-Oil-AX
Woco Premium 100
F-2) Impeller, Volute and Exclusion Seal Service:
F-2.1) Disassembly and Inspection:
To clean out volute (10), disconnect power, remove cap
screws (11) and lockwashers (12), vertically lift motor and seal
assembly from body (10). Clean out body if necessary. Clean
and examine impeller (16) for pitting or wear, replace if
required. Inspect Gasket (13) and replace if cut or damaged.
If impeller (16) requires replacing, place a flat screwdriver in
the slot of the end of the shaft to hold the shaft stationary while
unscrewing the impeller (16). Once impeller (16) is removed,
remove spacer (25) and exclusion seal (19) if damaged or cut.
F-2.2) Reassembly:
Position exclusion seal (19) on shaft until it seats against the
stationary portion of seal (9). Place spacer (25) on shaft until
it seats against exclusion seal (19). To install impeller (16),
clean the threads with loctite cleaner and screw impeller (16)
onto the shaft hand tight. Rotate impeller to check for binding.
Position gasket (13) on volute flange and position impeller and
motor housing assembly on volute (10). Apply thread locking
compound to cap screw (11) and position lockwasher (12) on
cap screw (11) and screw into volute (10). Torque to 8 ft. lbs.
Check for free rotation of motor and impeller.
F-3) Motor, Bearing and Seal Service
F-3.1) Disassembly and Inspection:
To examine or replace the motor (5), bearing (8) and shaft seal
(9), disassemble volute and impeller as outlined in paragraph
F-2.1. Drain oil from motor as outlined in paragraph F-1.3.
Position unit upright, using blocks to avoid resting unit on shaft.
Remove gland nut (28b), friction rings (28c) and grommet
(28d) from motor housing (3). If pump is equipped with
temperature sensor, also remove gland nut (39b), friction rings
(39c) and grommet (39d), from motor housing (3) (see Figure
6). Remove socket head cap screws (23) and lift motor housing
(3) from lower end bell (22). Slide motor housing (3) up cable(s)
(28), and (39) if pump is equipped with temperature sensor,
until wire connectors and ground screw is exposed. Remove
cable lead wires from motor lead wires and temperature sensor
wires ( if equipped) from control cable, by disconnecting wire
connectors (4) and ground screw (27) from motor (5). The
wiring connections should be noted to insure correct
connections when reassembling.
MOTOR END
(INBOARD END)
PUMP END
(OUTBOARD END)
SEAL ASSEMBLY
(9)
CONDUIT BUSHING (6)
WASHER (7)
RETAINING RING (9d)
SPRING (9C)
ROTATING MEMBER (9b)
STATIONARY (9a)
EXCLUSION SEAL (19)
Fig. 3
SPACER (25)
LOWER END BELL (22)
9
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