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 TM 10-3930-660-24-2
PISTON PUMP MAINTENANCE - CONTINUED
0256 00
DISASSEMBLY - CONTINUED
NOTE
Piston will slide from rod piston and drop into the pump housing when valve block is removed from the
pump housing.
4.
Remove six screws (9) and remove valve block (3) from housing (6).
5.
Remove and discard gasket (10).
6.
Remove wafer plate (11) from valve block (3).
7.
If necessary, remove pin (12) from valve block (3).
47 46
8
7
8.
Remove bearing (13) and spacer (14) from drive shaft
(15).
3
NOTE
12
Three pins will drop from the cylinder block
44
when rotating group parts are removed from
42
43
shaft.
18
The rotating group consists of components
(11, 14, 16, 17 and 19-25).
48
11
21
9.
Hold shoe plate (19) with both hands to prevent rotat-
17 23
16
ing group parts from separating during removal, then
23
15
remove rotating group parts (18) from pump housing
13
(6).
22 14
20
10.
Remove pin retainer (24) from cylinder block (17).
25
24
19
11.
Remove piston (7) from housing (6).
34 36 37
35
26
49 10
28 29
9
27
31
38
39
32
33
30
31
40 41 6
30 33 32 27 29
28
409-1473
0256 00-2
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