13308-262
Troubleshooting
PROBLEM CAUSE SOLUTION
Continuous air exhaust
from
muf
fler.
W
orn or damaged motor piston o-ring (32).
Inspect and replace. See page 21.
Air
cup (7) not seating properly
, or damaged.
Inspect;
reseat or replace. See page 24.
Continuous air exhaust
from pilot valve vent
holes.
Worn
or damaged carriage spool
u-cups (31).
Inspect and replace. See page 24.
Worn
or damaged actuator valve pin o-rings
(23).
Inspect
and replace. See page 21.
Air motor not shifting
properly; erratic opera-
tion/stalling.
Worn
or damaged actuator valve pin o-rings
(23,
top or bottom).
Inspect and replace. See page 21.
Damaged
actuator valve springs (16, top
or
bottom).
Replace.
See page 21.
Worn or damaged carriage spool u-cups
(31).
(Characterized by continuous air
leak
-
age
from actuator valve vents.)
Inspect and replace. See page 24.
Clogged or obstructed valve porting.
Clean.
W
orn out valve housing (5).
Replace. See page 24.
Improper seating or damaged port or valve
housing
o-rings (21, 30).
Inspect o-ring
and groove. Clean or replace as neces
-
sary.
Air
leaking from base vent
hole.
Worn or damaged low pressure u-cup seal
(19).
Inspect
and replace. See page 20.
Fluid leaking from base
vent
hole.
Worn
or damaged high pressure u-cup seal
(20).
Inspect
and replace. See page 20.
To Next Page
Loading...
