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 1.
Nut
17.
Impeller
34.
Bearing ball
2.
Adapter, suction
18.
Shim set
35.
Housing, intermediate
3.
Valve assembly, flap
19.
Seal, rotary elements
36.
Washer, lock (Barnes model only)
4.
Nut (8) (Barnes model only)
20.
Seal, stationary elements
37.
Nut
5.
Weight, valve, small
21.
Gasket
38.
Nipple, hose
6.
Gasket, flap valve
22.
Seal plate
39.
Clamp, hose
7.
Weight, valve, large
23.
Sleeve shaft
40.
Hose
8.
Washer, lock
24.
Seal, oil
41.
Washer, lock
9.
Screw, hex. head
25.
Bushing, pilot
42.
Capscrew, hex. head
10.
Nut
26.
Coupling, spline
43.
Guard, intermediate
11.
Washer, lock
27.
Washer, lock
44.
Drive screw
12.
Plug, pipe
28.
Screw, hexhead
45.
Nameplate
13.
Stud
29.
Shaft, impeller
46.
Bushing, pipe
14.
Stud
30.
Ring, retainer
47.
Drain cock
15.
Wear plate
31.
Seal, oil
48.
Stud
16.
Screw, machine, flathead (2) (Barnes
32.
Retainer, bearing
49.
Casing, volute
model only)
33.
Ring, retaining
Figure 6-1. Pump and intermediate housing, exploded view.
6-3. Intermediate Housing
c. Cleaning, Inspection, and Repair.
(1) Clean all parts with cleaning solvent PD-
the intermediate housing.
680. Dry thoroughly.
b. Disassembly.
(2) Inspect parts for cracks, breaks, damaged
threads, and other damage. Inspect bearing for free and
(1) Remove retaining ring (30, fig. 6-1) pull
smooth rotation.
out impeller shaft (29). Remove oil seal (31), and
bearing retainer (32) from shaft (29).
(3) Replace bearing if any roughness is
detected, replace oil seals.
(2) Remove retainer rings (33) and bearing
(34) from impeller shaft (29).
(4) Rechase threads or replace hardware as
needed.
(3) Remove oil seal (24) from intermediate
housing (35)
(5) Inspect the shaft and coupling splines.
6-2
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