Agitator - Graco 25C539 Instructions - Parts Manual

Agitator

Agitator Agitator
To reduce the risk of fire and explosion, always
maintain a minimum of 1 in. (25.4 mm) clearance
between the rotating agitator parts and the
container to prevent sparks from contact.
• If installing a new agitator onto a new tank, follow
steps 1– 2, and 7–15 (models 25C536, 25C537,
25C538).
• If replacing an established agitator, follow steps
1, 3–12, and 14–15 (models 25C539, 25C540,
25C541).
• If replacing the agitator drive with kit
19A844, follow the steps described in
Installing Motor Conversion Kits, page
1. Relieve pressure from the system (if
applicable) by following the procedure in the
Pressure Relief Procedure, page
the pressure tank cover from the tank.
2. Unscrew and remove the hex jam nut (49), plug
(P), and o-ring (R) from the tank cover.
3. Remove the upper U-bolt (56).
4. Loosen the two agitator paddle set screws (46)
and remove the agitator paddle (45).
5. On 10 and 15 gallon tanks, remove the lower
U-bolt (56), loosen screws (54), and slide the
baffle (53) off the fluid tube (12).
6. Unscrew and remove the hex jam nut (49),
gasket (50), and agitator from the tank cover.
3A4797F
7. To install the new agitator, place the gasket (50)
18.
13, and remove
8. Install the jam nut (49) below the tank cover,
9. Install the shaft support (44) onto the shaft
10. Clamp with upper U-bolt (56), clamp (43), lock
11. On the 10 and 15 gallon tanks, place the lower
on top of the tank cover center hole. Insert the
agitator shaft (47) through the gasket and center
hole.
Note
Position the air motor and regulator as
shown above.
and tighten firmly to assure a seal between the
gasket (50) and tank cover.
housing (42). Verify lower thrust washer (48) is
between shaft (47) shoulder and housing (42).
washer (41), and nut (55).
bearing assembly (66) and (67) on the shaft.
Installation
9