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Pump Lower Repair
311882T 15
7. Pull transfer shaft (20) out the bottom of pump body
(34). See F
IG
. 19.
8. Remove pin (56). Remove piston valve assembly.
Unscrew piston valve (43) from piston housing (53).
Remove wear ring (41*), u-cup (40*) and ball (42).
Inspect all parts for damage. See F
IG
. 20.
9. Remove pins (55). See F
IG
. 21.
10. Loosen set screw (37) from collar (36). Remove col-
lar from piston housing (54). Remove u-cup (35*).
Inspect all parts for damage. See F
IG
. 22.
F
IG
. 19
F
IG
. 20
ti9905
20
34
ti9904b
56
*40
*41
42
43
53
Lip up
F
IG
. 21
NOTE: Series A and B pumps were equipped
with springs pins. In Series C pumps, these
pins were replaced with a solid clevis
pin (55, 56).
F
IG
. 22
55
54
74
r_311880_14e_fig21
36
35
55
37
36
*35
54
Lip down
r_311882_14e_fig22