B 1-34
Hydraulics
t
a
Air Valve
Removal
@ontd)
CAUTION: Flisk of equipment damage.
Do
not clean the air
valve with
an abrasive,
scrape
the
spool
or sleeve, or
round
off
the sharp edges of
the
spool lands. Doing
so
can
damage the
spool and sleeve and
cause
the
pump
to stall.
7.
See Figure B 1-23. Remove the retaining screw
(4)from
the side of
the sleeve
(3).
8. Carefully
slide the spool
(2)
out of the sleeve.
9. lnspect the spool lands
(1).
1
2
,t
------'+4
-
3
4103567
Fig. B 1-23
Air
Valve
Components
1. Spool lands
2. Spool
3. Sleeve
4. Retaining screw
Spool
lands are Action
Nicked,
gouged,
deeply scratched,
or corroded
Replace the air
valve.
Go to Alr
Valve lnstallation.
Covered with contaminants
1.
Clean
the spool and sleeve
with mineral spirits or
any
non-chlorinated cleaning
solution, and a
soft cloth. Do
not use abrasives, scrape the
spool
or
sleeve, or round otf
the sharp edges of
the spool
lands.
2. Thoroughly wipe
the
valve
parts
with a clean cloth or
rinse them with denatured
alcohol.
81 EN-02-[3V-X-AGXX]-2
41-3000v
lssued 5/00
@000
Nordson Corporation
All
righls res€rved