Troubleshooting - Graco Accu-Shot 233807 Instructions Manual

Troubleshooting

NOTE: Use compressed air to clean these parts.
Grease all parts before reassembly. Avoid pinching the
o-rings during reassembly.
9. Refit the following components in the valve seat in
the order given below, being careful not to damage
them.
• The retaining ring (9) and o-ring (10) using a
plug.
• The valve pin (11).
• The ball (12).
• The valve seat (13)- hole chamber must face
the ball.
• The valve plug (16) complete with retaining ring
(15) and o-ring (14).
NOTE: The retaining ring must be outside the o-ring
(retaining ring facing the electronics side, o-ring facing
the Accu-Shot body side, torque to 14.75-16.23 ft-lbs
[20-22 N.m]).
10. Replace the electronics (17) with the screws (21)
ensuring that the battery contact goes back into
position inside the battery compartment. Fit the sen-
sor inside the hole. Torque to 4 to 6 in-lbs (0.45 to
0.68 N.m).
NOTE: The wire should push the sensor to the end of
the hole and not curl up.
NOTICE
Incorrect assembly of the sensor could affect opera-
tion of the meter.
11. Ensure that the key spacer (22) is correctly fitted on
the left RESET button of the card.
Troubleshooting
Problem
LCD fades or disappears
Display does not activate
Slow or no grease
10
12. Fit the plate gasket (26), the plate (25), and the
housing (24) along with the screws (23).
13. Fit the set screw (41) and tighten the nut (40) on the
lever (36). Adjust the set screw to correctly position
the lever, referring to the Dimensions Drawing on
page 13.
14. Tighten the nut (40). (F
15. Insert the batteries (28) into the battery compart-
ment on the handle (29) following the Battery
Replacement Procedure (page 8).
16. Tighten the battery cap (34) complete with o-ring
(32) and spring (31). (F
17. Press the RESET button to re-activate the
Accu-Shot and check that the LCD comes on.
F . 8
IG
Cause
Batteries are low.
Batteries are defective or dead.
Pump pressure is low.
Shut-off valve is not fully open.
Foreign material is jammed in the
meter housing.
. 7)
IG
. 5)
IG
13
15
17
21
22
26
25
24
23
Solution
Replace. See Battery Replacement
Procedure, page 8.
Replace. See Battery Replacement
Procedure, page 8.
Increase pump pressure.
Fully open shut-off valve.
Clean the metering chamber. See pro-
cedure on page 8.
8
9
11
10
12
14
16
TI1670A
309454D