Graco Accu-Shot [8/14] Maintenance

Graco Accu-Shot [8/14] Maintenance
Maintenance
8 309454D
Maintenance
Battery Replacement
Refer to FIG. 5 for the following instructions.
The display will remain off after the batteries have been
replaced. This is because the Accu-Shot is equipped
with a system that prevents powering the electrical com-
ponents during battery replacement. To turn the LCD
display on press the RESET button. The Accu-Shot will
display the same cumulative total as before battery
replacement and the partial delivery meter will display
zero.
The Accu-Shot is supplied with two standard alkaline
batteries Size AA 1.5 Volt. The batteries must be
replaced when the LCD display starts to fade or disap-
pears.
1. Press the RESET button to updated the cumulative
total.
2. Unscrew the batter cap (34).
3. Remove the old batteries (28).
4. Insert the new batteries (28) with the polarity as
shown.
5. Replace the battery cap (34). Ensure that the gas-
ket (32) and tapered spring (31) are correctly posi-
tioned.
Cleaning the Metering Chamber
Refer to FIG. 6 for the following instructions.
The Accu-Shot metering chamber very rarely requires
cleaning. However, when necessary, cleaning can be
performed quickly and easily without having to remove
the Accu-Shot from production.
1. Relieve pressure, see Pressure Relief Procedure,
page 5.
2. Unscrew the eight cover fastening screws (1) and
slide out the washers (2).
3. Remove the cover (3) and o-ring (7).
4. Remove the two oval gears (5).
5. Clean gears and internal fluid section. Use a brush
or pointed object for this operation. Be careful not to
damage the body or the gears.
6. Replace the two oval gears (5).
NOTE: Only one of the gears has magnets. It must be
re-installed with magnets facing the Accu-Shot body as
shown in Fig. Fit the second gear (without magnets) with
its largest axis at right angles to the first gear. Torque to
7.38 ft-lbs (10 N.m).
7. Replace the o-ring (7) and cover (3).
8. Replace the washers (2) and cover fastening screws
(1). Torque to 7.38 ft-lbs (10 N.m).
FIG. 5
TI1702A
28
32
31
34
FIG. 6
5 without magnets
5 with magnets
7
3
2
1

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