Better Pack
®555
On Line Service Guide
Since 1983
13093 Old Ridge Road Beaverdam Virginia 23015
1-800-899-9389
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Machine Runs Constantly
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Machine Runs Constantly
If an operator complains that the machine is running constantly, check to see exactly what is happening. There are 2 different types of "running constantly".
First, the machine could be running to it's maximum length, shutting off,
then running again to it's maximum length. In this instance, you get repeated maximum lengths of tape.
Second, the machine could just be running, with no shut off in between. In this instance, the tape is dispensed in one constant long continuous strip.
1. Machine Runs To Maximum Tape Length
Over & Over
Quick Check: Load the machine with tape. Turn the machine on. Does it dispense one long strip after another, shutting off only between strips ?
Possible Causes: In Order
A. Defective/Worn Trip Roller (Not Shutting Off One or More Key Switches)
B. Broken Key Switch
How To Test -
1. Remove Access Hole Cover (round cover on side of key drum)
2. Visually check to see that all key switches have the knurled nut affixing
them to outside of key drum. If knurled nut is missing, likely that key switch
is broken.
3. With machine unplugged, run your finger inside key drum pressing up
each white button on all key switches
4. Plug machine back in and turn it on. If the machine stops running,
it indicates that one or more of the key switches was not shut off.
5. With power on, press each key switch. Hopefully, the one that is not
being shut off will cause machine to "run constantly"
6. If you locate the switch or switches that cause machine to run constantly,
unplug machine.
7. Again, press up white button on the switch(es) that is causing machine
to run constantly.
8. Plug the machine back in. If it stops running constantly, you next need
to see why that switch(es) are not being shut off.
(SEE Defective/Worn Trip Roller section below)
9. If, however, you press up all the white buttons, plug the machine back it,
and it once again runs constantly, you probably have a defective
switch which needs to be replaced.
(SEE Replacing Key Switch section below)
Replacing Worn/Defective Trip Roller
See Service Figure 12 below
Tools Required: Retaining Ring Pliers/5/16" Long Arm Allen Wrench
1. Start by removing the Access Hole Cover on the side of the Key Drum.
checking the trip roller
2. Press all Key Switches down
3. By hand, turn the Measuring Wheel and see if all of the Key Switches
shut off (buttons pop up). Hold the Measuring Wheel at the end position
4. Release the Measuring Wheel to make sure that it returns to home position
with no obstructions.
Checking The Trip Roller
To check the condition of the Trip Roller .-400TripRoller (Ref E538AXX) it is best to remove the Key Drum. The Trip Roller is attached to the Trip Arm. The Trip Arm has 2 set screws that hold it onto the Measuring Wheel. The Trip Roller is a black rubber roller that comes into contact with the Key Switched. When a switch is pressed down, it hits it, pressing it up (or off). The rubber on this roller should be hard. If it is soft, or has grooves in it, replace it.
1. Using the Retaining Ring Pliers, remove the retaining ring and spacer washer.
The Trip Roller will slide off.
2. Replace Trip Roller, spacer washer, and retaining ring.
3. With the new Trip Roller installed, replace Key Drum and perform the
"Checking The Trip Roller" Procedure again
Adjusting Trip Arm
If you find that the Trip Roller is still not pushing all of the Key Switches off,
or if the Measuring Wheel is not returning to home position, you will need
to adjust the Trip Arm ( see Service Figure 12below)
1. Loosen the Trip Arm Cap Screws
2. If the Trip Arm is not shutting off all of the Key Switches, move the
Trip Arm slightly away from the hub of the Measuring Wheel.
3. If the Trip Arm is binding on any of the key switches, move the Trip Arm
closer to the hub of the Measuring Wheel. This adjustment may take several
tries to get the Trip Arm positioned just right.
CAUTION: The Trip Arm adjustment is very slight. We adjust and tighten only one cap screw until we find the perfect position. Once we set the Trip Arm, we then tighten both cap screws.
4. Finally, tighten both cap screws and replace Access Hole Cover.
Service Figure 12
Adjusting Trip Arm
"L" (36"-6") Model Shown
On "S" (6"-36") Models Trip Arm Located On Opposite Side of Measuring Wheel
Replacing Broken Key Switch
A broken or defective Key Switch can also cause the machine to run constantly. A broken switch can cause the Trip Roller to "hang up" and keep the machine feeding tape. Check each Key Switch. If necessary, remove the plastic color cap and make sure the knurled nut is securely holding the Key Switch. If the knurled nut is missing or falls off, the key switch is probably broken and should be replace.
Replacing Broken Key Switches
1. Remove Key Drum & Access Hole Cover (total 5 screws)
2. The Key Switch is screwed into 2 buss wires - 300KSWire (Ref E501BW). Remove the
2 screws, one on either side of the switch.
3. Turn the switch until you can slide it out from under the Buss Wires.
4. Place the spring washer on the new Key Switch
5. Install the new Key Switch so that the screw holes on either side of
the switch are under the 2 buss wires.
6. It is easier to install the knurled nut first before screwing in the key switch screws.
7. With the knurled nut screwed on the key switch, screw in the 2 small
key switch screws.
Is there an easy way to screw those 2 little screws into the key switch?
No! Actually, there is a screw driver that holds those small screws. If you don't have one, apply a very small amount of glue onto the end of the screw driver, let it stand for a moment, and then put the screw onto the end of the glue tipped screw driver. This holds the small screw so you can get it started into the screw hole.
2. Machine Run Constantly -
No Shut off - One Continuous Tape Strip
This problem is likely caused by a worn or out of adjustment Clutch Roller - 500CRGSLX (Ref EA52AXX)
How To Test - Remove only the Access Hole cover on side of key drum. Turn the machine on and observe how the large Measuring Wheel turns when the machine is turned on. This wheel should rotate quickly. When it reaches the key switch that has been pressed, the Trip Roller shuts the switch off. A worn or out of adjustment Clutch Roller will cause the Measuring Wheel to slip, like a tire on ice.
Out of Adjustment/Worn Clutch Roller - See Service Figure 13 Below
Tools Required: Retaining Ring Pliers/Needle Nose Pliers
1. Star by removing the Key Drum and Access Hole Cover (total: 5 screws)
2. Remove Water Bottle & Tank
3. The Clutch Roller is the rubber roller with the attached gear that sits just
above the big Measuring Wheel. The rubber on this roller should be hard,
not soft. There should be no worn marks, cracks, or lines in this roller.
If there is, it needs to be replaced.
TO REPLACE:
Remove snap ring and spacer washer. Slide off old roller, slide on new roller.
Replace spacer washer & snap ring.
TO ADJUST
There is a quick way to check to see if the Clutch Roller is correctly
adjusted. Reach inside the front of the machine and push up on the
Yoke Assembly. This is the device that holds the Upper Shear. Pushing
up on the Yoke will raise the Upper Shear. When the Upper Shear goes
up, the Clutch Roller comes down, making contact with the Measuring Wheel.
With the Yoke pushed up, it should be difficult to turn the Measuring Wheel,
since the Clutch Roller is in contact with it. If you can easily turn the
Measuring Wheel, you'll need to adjust the Clutch Roller.
1. Locate the Clutch Connecting Rod 400ClutchRodXX (Ref EA57see Service Figure 13 below).
The Rod is located behind the Measuring Wheel. You can see the top of the
Rod coming up from behind the Measuring Wheel.
2. The Rod can be turned to raise or lower the Clutch Roller. With the Needle
Nose Pliers, turn the tip of the Rod clockwise to lower the Clutch Roller.
This will prevent the Measuring Wheel from slipping when the Yoke comes up.
A clearance of 1/32" is recommended between the Clutch Roller &
Measuring Wheel.
CAUTION: Be careful not to bend the L-Spring that holds the Clutch Rod in position. If this spring is bent, the Rod will turn by the vibration of the machine and will require constant adjusting.
Can You Lower The Clutch Roller Too Much ?
Yes! If the Clutch Roller is lowered too far, the machine will "drag" or
seem to run slower. This creates extra wear. Here's a quick way to check:
First, adjust the Clutch Roller to where it makes good contact with the
Measuring Wheel. Next, turn the Measuring Wheel by hand all the way
around. Release it. The Clutch Roller should not move or vibrate. When the
Yoke is down, the Clutch Roller should not make any contact with the
Measuring Wheel.
Service Figure 13
Adjusting/Replacing Clutch Roller
If you have any questions about any of the above procedures, please feel free to call us at 1-800-899-9389.
One Source - sales service parts experience
Tigerseal® Products
sales & service
13093 Old Ridge Road
Beaverdam Virginia 23015
Tigerseal® Products is not affiliated with MCM/Phoenix®
Tigerseal® Products is not affiliated with Better Packages® Inc.