Removing The Air Motor - Graco 25C528 Instructions - Parts Manual

Aligning the the Outlet Outlet Housing
Aligning Aligning the Outlet
25C534, 25C534, 25C535 25C534, 25C535 Only 25C535
NOTICE NOTICE NOTICE
Improper installation of the outlet housing could
cause the agitator shaft to bind against the outlet
housing bearing and damage it.
After repairing or replacing the outlet housing or air
motor, perform the following steps:
1. Follow the Pressure Relief Procedure, page
2. Place the agitator in a vertical position and
loosen the three outlet housing screws (14). See
Models 25C534 and 25C535, page
3. Apply 25 psi (1.7 bar) minimum air pressure to
the air regulator (12). Adjust the air regulator so
the agitator shaft is barely turning.
4. While the agitator shaft is turning, torque the
three outlet housing screws to 80 to 100 in-lbs (9
to 11.3 N•m).
5. If the agitator shaft binds, repeat steps 1 to 3
above.
Inspecting Inspecting the Inspecting the Shaft the Shaft and Shaft
Blades — — — Model Model 25C530
Blades Blades Model
1. Follow the Pressure Relief Procedure, page
2. Turn off/disconnect power to the agitator.
3. Remove the agitator.
4. Clean with a compatible solvent and inspect the
shaft (2) and blades (5, 6) for wear or damage.
See Model 25C530, page
5. If no wear or damage is detected, reinstall the
agitator into drum.
3A4792C
Housing — — —
Housing
Only Only
20.
and Agitator and Agitator Agitator
25C530 Only Only
25C530 Only
21.
6. If the shaft needs replacing:
a. Remove the air motor following the steps in
b. Raise the bung adapter (4) to expose the
c. Slide the shaft (2) out of the coupler.
d. Slide the new shaft into the coupler. Use
12.
e. Lower the bung adapter on the shaft or raise
f.
g. Reinstall agitator into the drum.
7. If the blade needs replacing:
a. Use a 3 mm (1/8 inch) hex to remove the
b. To install a new hub/blade assembly, slide it
12.
c. Reinstall the agitator into the drum.
Removing the Air Motor, page
bottom two setscrews (7) in the coupler (3).
Use the 1/8 inch hex to remove them.
a 1/8 inch hex to tighten the two lower
setscrews in the coupler. Torque to 65 in-lb
(7.3 N•m).
the shaft through the bung adapter and insert
the air motor into the coupler. Use the 1/8
inch hex to tighten the two upper set screws
(SS) in the coupler. Torque to 65 in-lb (7.3
N•m). See Model 25C530, page
Raise the bung adapter and use a 3/16 inch
hex to tighten the three setscrews (8) into the
bung adapter. Torque to 80 in-lb (9 N•m).
setscrew in the long (6) or short (5) blade
hub and slide the hub/blade assembly off the
shaft.
onto the shaft and tighten the set screw. The
setscrew must always remain on the top,
with the blades hanging down, so the blades
pass into and out of the bung hole.
Service
14.
21.
15