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 1
Cabinet
20
Intake union
2
Cabinet lid
21
Outlet union
3
Cabinet lid handle
22
Drip pan
4
Electrical switch timer
28
Intake coupling
5
Caster wheel
24
Into filter screen
6
Outlet line
25
V-belt
7
Fixed spray
26
Ac power cable plug (Connector Plug UP-121/M)
8
Adjustable spray
27
Ac motor pulley
9
Intake line
28
Centrifugal pump pulley
10
Drain cook
29
Pulley setscrew
11
Turntable with screen
30
Packing gland bolt mad nut
12
Intake filter holder
31
Turntable spray
13
Plastic, fluid filter
32
Intake nipple
14
Turntable bearing
33
Outlet nipple
15
Motor pump mounting
34
Knob
16
Ac motor
85
Pulley setscrew
17
Ac motor mounting bolt
86
Caster screw
18
Centrifugal pump
87
Reservoir
19
Centrifugal pump mounting bolt
Figure 2. Continued.
c. Repairs. Clean and inspect the parts of the
(2) Remove the grease cups (13) and (14).
(3) Remove the bearing cover screws and
centrifugal pump and replace unserviceable parts (TM
washers (19) and the bearing cover (18).
11-4940-204-15P).
(4) Remove the stuffing box gland bolts and
d. Reassembly.
nuts. (11) from the box, gland box gland
(8).
(5) Loosen the collar setscrews (17) in the
(1) Press the tapered end of the bearing
collar of the ball bearing (16).
bushing (10) into the pulley end of the
(6) Brace the support head (12) and tap lightly
stuffing box (20) until the groove in the
on the pulley end of the shaft (3). Remove
bushing is under the opening for the
the shaft (3) and impeller (2) as a unit.
grease cup (13).
Remove the slinger (7) and stuffing box
(2) Insert the shaft (3) with its Impeller (2)
gland (8) from the end of the shaft (3) as
attached into the support head (12).
the shaft is pulled through the stuffing box
(3) If the Welsh plug(15) was removed, insert
(20).
it into the bearing chamber (21).
(7) Press out the stuffing box and bearing
(4) Push the ball bearing with collar (16) into
packing (9) and bearing bushing (10)
the bearing chamber (21). Replace the
toward the pulley end of the stuffing box
bearing cover (18) and fasten it with the
(20).
bearing cover screws and washers (19).
(8) Remove the ball bearing with collar (16) by
(5) Replace the grease cups (13) and (14).
pulling on the bearing collar. Press the
(6) Cut four rings of new stuffing box and
Welsh plug (15) out of the bearing
bearing packing (9) so that when wrapped
chamber (21) if the Welsh plug is
around the shaft, the ends do not quite
defective.
touch.
Tamp each ring into position
(9) Remove the drain plug (5) and the pipe
around the shaft; stagger the joints about
180 apart. Turn the shaft after tamping
from the intake (22) and outlets (23) in the
casing (1) if necessary.
each ring.
(7) Position the stuffing box gland (8) and
slinger
(7)
on
the
shaft
and
6
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