21
Insert the upper bushing and plunger
end (
10
) into the wrist pin anchor (
13
)
and tighten.
22
Place the wrist pin anchor (
13
) in a vise.
23
Tighten the wrist pin anchor (
13
) to a
torque of 20–25 ft.lbf.
(27–34 Nm)
.
24
With the wrist pin anchor (
13
) still in the
vise, align the crankrod/eccentric
assembly (
7
) holes with the wrist pin
anchor (
13
) holes (
† fig. 15,
page 12
).
25
Install the wrist pin bushings (
12
)
through the crank rod (
7
) into the wrist
pin anchor (
13
) (
† fig. 17
).
26
Apply Loctite 242 to the threads of the
wrist pin bushing screws (
11
).
27
Insert and thread the wrist pin bushing
screws (
11
) into the crankrod (
7
).
28
Torque bushing screws (
7
) to a torque of
110–125 in.lbf.
(12,4–14,1 Nm)
.
29
Install the cup seal (
26
) with the slotted
side toward the center of the reciprocating
tube (
25
) (
† fig. 18
).
30
Place a new o-ring (
27
) on the lower
bushing and plunger (
24
).
31
Slide the lower bushing and plunger (
24
)
into the reciprocating tube (
25
) with the
o-ring (
27
) near the bottom of the
reciprocating tube (
25
) (
† fig. 18
).
39
Place the back up washer (
58
) into the
housing tube (
60
).
40
Insert the o-ring (
57
) into the housing
tube (
60
).
41
Insert the bronze bearing (
56
) into the
housing tube (
60
).
42
Position the crankrod assembly (
7
) over
the top of the pump housing (
37
) and
lower into the pump housing (
37
).
!
Notice
For ease of installation of the low-
er cup, use a small piece of tubing to
slide the lower up into the reciprocating
tube and over the pump plunger.
!
Notice
Failure to align the key on the
shaft and the key way in the eccentric
will result in damage to equipment.
Fig. 17
7
12
11
Fig. 19
60
59
58
57
56
32
Install the steel check cage (
28
) into the
reciprocating tube (
25
).
33
Install the ball (
29
) into the steel check
cage (
28
).
34
Apply Loctite 242 or equivalent to the
threads of the check seat housing (
30
).
35
Thread the check seat housing (
30
) into
the reciprocating tube (
25
) and tighten
using a
3
/
8
in. hex key.
36
Torque to 20–25 ft.lbf.
(27–33 Nm)
.
37
Remove the crank rod (
7
) from the vise.
38
Refer to
fig. 19
and insert the o-ring
(
59
) into the housing tube (
60
).
Fig. 18
25
26
28
24
30
29
27
Fig. 21
5
43
Align the crank rod (
7
) with the shaft (
40
)
mounting hole. Refer to
fig. 20.
44
While aligning the key (
39
) on the shaft
(
40
) with the eccentric key way (
5
), slide
the shaft (
40
) into the eccentric (
5
)
(
† fig. 21
).
45
Install the retaining ring (
48
) on the
shaft. (
40
).
Fig. 20
44
45
46
48
40
39
7
37
47
13
