NOTE
Use appropriate
(
)
for replacement parts Make sure all
components are included in kit before
discarding used parts
Pump tube
16
Unscrew valve body (
39
) from
cylinder (
35
)
17
Remove o-ring (
34
) from cylinder
18
Remove stop washer (
36
), washer (
37
),
and ball (
38
) from valve body
19
Push rod (
3
) out extension cylinder
20
Remove rod assembly from cylinder
21
Remove upper and lower spring clips (
2
)
that secure extension rod (
25
) and stem
(
26
) to lower coupling (
1
)
22
Unscrew rod assembly and stem assem-
bly from coupling
23
Clamp flats of stem assembly in a vise
24
Unscrew valve (
33
) from stem
25
Remove body and V-packing assembly
from stem
26
Remove stop (
27
) from stem
27
Unscrew valve seat (
32
) from guide (
28
)
28
From top of body remove spring (
29
),
washer (
14
), male ring (
30
), V-packings
(
16
), and female ring (
31
)
29
Unscrew coupling (
24
) from cylinder (
35
)
using two strap wrenches
30
Remove additional o-ring (
34
)
31
Unscrew extension cylinder (
23
) from
coupling
32
Remove additional o-ring (
22
)
Optional procedures
33
Unscrew rod (
3
) from extension rod (
25
)
as required
34
Remove screws (
5
) and lock washers (
6
)
that secure plate (
7
) to body as required
35
Remove plate from upper mounting (
8
)
36
Remove hydraulic fitting (
9
) as required
37
Unscrew valve seat (
12
) with screw (
13
)
as required
Clean and inspect
1
Clean all metal parts in a modified petro-
leum-based solvent Solvent should be
environmentally safe
2
Make sure to remove thread sealant
from both male and female threaded
connections
3
Inspect all parts for wear and/or damage
Replace as necessary
4
Inspect rod (
3
) and cylinder (
35
) closely
Use a magnifying glass to detect any
score marks Replace as necessary
5
Closely inspect mating surfaces of all
check valve components for any imper-
fections Ensure a smooth and clean
contact is obtained when assembled
For example: Place ball (
38
) into valve
body (
39
) Fill valve body with solvent
Make sure no leakage occurs
Fig. 3
Separating air motor from pump tube
8
Содержание 7886-A5
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