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Idiomas disponibles
Pump tube
16 Clamp pump tube at cylinder (36)
securely in a soft-jaw vise
17 Remove internal rod and coupling with
attached components from pump
tube (26) Set aside
18 Unscrew and remove pump tube (26)
from cylinder
19 Remove gasket (27), brass bearing (29),
seal (28), and additional gasket (27)
from pump tube
20 Unscrew lower valve seat (39) from
cylinder
21 Remove o-ring (38) from lower valve
seat
22 Remove pin (40) and ball (37) from lower
valve seat
23 Remove cylinder from vise
Rod and coupling
24 Clamp rod and coupling in a soft-jaw vise
on flats of piston rod (30)
25 Remove upper and lower spring
clips (23) that secure pump tube rod (25)
to upper and lower couplings (24)
26 Unscrew rod from both couplings
27 Remove lower spring clip (23) that
secures piston rod (30) to lower
coupling (24)
28 Unscrew coupling from piston rod
29 Unscrew upper valve seat (35) from pis-
ton rod
30 Remove washer (34) from upper valve
seat
31 Remove ball (33), spring (32), and
retainer (31) from piston rod
Clean and inspect
NOTE
Use appropriate repair kit for replace-
ment parts Make sure all components
are included in kit before discarding
used parts
1 Clean all metal parts in a modified petro-
leum-based solvent Solvent should be
environmentally safe
2 Inspect all parts for wear and/or damage
Replace as necessary
3 Inspect piston rod (30) closely Use a mag-
nifying glass to detect any score marks
Replace as necessary
4 Closely inspect mating surfaces of all
check valve components for any imperfec-
tions ensure a smooth and clean contact is
obtained when assembled
Example: Place ball (37) into lower
valve seat (39) Fill valve seat with solvent
Make sure no leakage occurs
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