Installation - Graco A Series Instructions-Parts List Manual

NOTE: Reference numbers and letters in parentheses
refer to the callouts in the figures and in the Parts
Drawings.
Grounding
Proper grounding is an essential part of maintaining a
safe system.
To reduce the risk of static sparking, the mounting
cover and all electrically conductive objects or devices
in the dispensing area must be properly grounded.
Check your local electrical code for detailed grounding
instructions for your area and type of equipment.
To ground the agitator, connect one end of the
ground wire (A) to the ground connector (B) on the
agitator. See Fig.1. Connect the other end of the
ground wire to a true earth ground.
For an additional ground wire and clamp, order
Part No. 237–569.
B
A
Fig. 1
Assembling and Positioning the Agitator
With an Elevator
Mount the drum cover as described in manual
306–287. The elevator must be in the down position
when you do any work on the elevator, agitator, or drum
cover assembly. Do not go under the elevator when it
is raised. Proceed to step 1 in With or Without an
Elevator.
Without an Elevator
If your system does not have an elevator, you should
install the Handles Kit to facilitate handling the drum
cover and agitator. Two people are needed to safely lift
and move the drum cover and agitator. To order the
Handles Kit, order Part No. 237–524 .
Place two standard 55 U.S. gallon (45 Imperial gallon)
barrels 14 in. (approximately 36 cm) apart, and center
the drum cover on the barrels with the Graco logo
centered and facing you, as shown in Fig. 2. Proceed
to step 1 in With or Without an Elevator.

Installation

Fig. 2
With or Without an Elevator
1. Slide the agitator shaft through the large hole in the
center of the drum cover (29).
2. Rotate the agitator so that the air motor is to the left
of the shaft, as shown in Fig. 2, which will align the
three tapped holes in the bottom of the agitator with
the three through holes in the drum cover.
3. Thread the three hex head screws (25) up through
the drum cover and into the agitator, and torque
them to 75 in-lb (8.4 N-m).
4. Assemble one pair of agitator blades (28) so that
the four through holes in the blade halves are lined
up (see Parts Drawing for blade orientation).
5. Push four cap screws (31) through the four holes in
the blades, and start the lock nuts (32) onto the cap
screws.
6. Slide the loose blade assembly up the shaft, and
position it approximately 13 in. (33 cm) from the
bottom of the shaft.
7. Tighten the four lock nuts (32) evenly to draw the
blades together until they are tight on the shaft.
Torque the locknuts to 50 to 55 in-lb (5.6 to 6.2
N-m). A gap will remain between the blade halves.
8. Repeat steps 4 and 5 with the second pair of
agitator blades.
9. Position the second blade assembly near the
bottom end of the shaft, but not on the bottom
plug (20).
10. Rotate the lower blade assembly so that it is
oriented 90 degrees relative to the upper blade
assembly, and torque the lock nuts (32) to 50 to 55
in-lb (5.6 to 6.2 N-m). A gap will remain between
the blade halves.
Assembling and Positioning
Agitator Without an Elevator
14 in. (36 cm)
05734