Graco Eagle C Series Instructions-Parts List Manual page 13

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