Crane BARNES 4SE-DS Series, Инструкция по установке и эксплуатации

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If, after fi ve minutes, the pressure is still holding constant, and
no “bubbles”/oil seepage is observed, slowly bleed the pressure
and remove the gauge assembly. If the pressure does not hold,
then the leak must be located and repaired.
Seal Chamber (DS Units Only)- Set unit on its side with fi ll
plug (44) downward, remove plug (44) and drain all oil from
seal chamber. Apply pipe sealant to pressure gauge assembly
and tighten into hole in outer seal plate (29). Pressurize seal
chamber to 10 P.S.I. and check for leaks as outlined above.
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.
F-1.4) Replacing Oil:
Motor Housing-
Set unit upright and refi ll with new cooling oil
as per Table 1 (see parts list for amount). Fill to just above motor
as an air space must remain in the top of the motor housing to
compensate for oil expansion (see Figures 15 & 17). Apply pipe
thread compound to threads of pipe plug (39) then assemble to
motor housing (6).
IMPORTANT! - For single phase units, oil level
should be below capacitor.
Seal Chamber (DS Units Only)- Set unit on its side,
with plug (44) upward, and refi ll with new oil as per Table 1 (see
parts list for amount). Apply pipe thread compound to threads
of pipe plug (44) and assemble to outer seal plate (29).
WARNING ! - DO NOT over fi ll oil.
Over fi lling of motor housing with oil can
create excessive and dangerous hydraulic
pressure which can destroy the pump
and create a hazard. Over
fi lling oil voids
warranty.
TABLE 1 - COOLING OIL - Dielectric
SUPPLIER GRADE
BP Enerpar SE100
Conoco Pale Paraffi n 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 and Volute Service:
F-2.1) Disassembly and Inspection:
To clean out volute (1) or replace impeller (33), disconnect
power, remove hex bolts (26), and lockwasher (12), vertically
lift motor and seal plate assembly from volute (1) see Figure
4. Clean out body if necessary. Clean and examine impeller
(33), for pitting or wear and replace if required, inspect gasket
(36) and replace if cut or damaged. If the impeller (33) needs
replacing, place a fl at screwdriver in the slot of the end of the
shaft to hold the shaft stationary while unscrewing the jam nut
(66) and impeller (33).
F-2.2) Reassembly:
To install impeller (33), clean the threads with thread locking
compound cleaner. Apply removable Loctite® 603 or equivalent
to shaft threads. Screw impeller onto the shaft hand tight
while using a screwdriver in the slot at the end of the shaft
to hold it stationary. Apply thread locking compound (57) to
shaft threads. Then install jam nut (66) and torque to 40 ft.
lbs. It is important that the spring of the lower shaft seal (28)
seats in the hub of the impeller (33). Rotate impeller to check
for binding. Position gasket (36) on volute fl ange and position
impeller and motor housing on volute (1). Position lockwasher
(12) on cap screw (26) and screw into volute (1). Torque to 100
in-lbs. Check for free rotation of motor and impeller.
F-3) Shaft Seal Service:
CAUTION ! - Handle seal parts with extreme care.
DO NOT scratch or mar lapped surfaces.
F-3.1) Disassembly and Inspection:
Outer Seal (All Units) -
To expose shaft seal (28) for
examination, disassemble volute and impeller as outlined in
paragraph F-2.1. If further repair is required, remove retaining
ring (28d), spring (28c) and rotating member (28b) from shaft
(see Figures 5 & 6). Examine all seal parts and especially
contact faces. Inspect seal for signs of wear such as uneven
wear pattern on stationary members, chips and scratches
on either seal face.
DO NOT interchange seal components,
replace the entire shaft seal (28). If replacing seal, remove
stationary (28a) by prying out with fl at screwdriver.
FIGURE 5