Trouble |
|
Possible cause |
|
Correction |
| |
| Drive shaft hard to turn. |
|
Pointer or brake rubbing on first wheel.
Dirt or pieces of foreign material in
teeth of drive shaft gears, gear plate,
totalizer or bevel gear train driving
totalizer. |
|
Check pointer and break positioning.
Adjust as required. Remove case. Check all gears, clean and lubricate as necessary. |
| |
| Binding occurs during reset cycle. |
|
Missing washers on outside of clutch
shaft. Pinion jam, anti-topping finger(s)
broken or spring(s) missing. |
|
Check end play and washer as required.
Check end play of wheel shaft. Replace
broken anti-topping fingers or missing
springs. |
| |
| Reset knob turns hard. |
|
Reset knob flange on the case binds on reset shaft. Wheel shaft group is bent. Reset fingers rubbing on wheel or
retaining rings. |
|
Remove reset knob. Loosen flange
screws, center the flange on the shaft
and tighten the screws. Replace wheel shaft.
Check for missing retaining rings on
reset finger and wheel shafts. Replace as required. |
| |
| Any one wheel will not reset to zero. |
|
Broken reset finger. Locking disc pin out of wheel groove. |
|
Replace reset fingers as required. Disassemble wheel group and insert
locking disc pin into groove in wheel. |
| |
| Incomplete reset cycle. Knob turns but reset does not occur. |
|
Key in large multiple cam broken. Reset actuating lever not engaged in
cam or reset arm broken. |
|
Replace cam with new cam and key. Remove cam, inspect and replace parts as required, and assemble properly. |
| |
| Shutter partially obscured
wheels at completion of reset
cycle or completely covers
wheels at end of reset cycle. |
|
Shutter disconnected from reset lever. |
|
Connect shutter to reset lever. |
| |
| Shutter will not drop into
place or loss of detent action
during reset. |
|
Detent lever spring missing or broken. |
|
Install new spring. |
| |
| Pointer not aligned with unit wheel. |
|
Improper adjustment of brake or
pointer. |
|
Adjust brake to proper clearance.
Adjust pointer to center mark. |
| |
| Unit wheel can be turned in reverse by hand. |
|
Dirty drive shaft clutch assembly. |
|
Clean clutch group and lubricate |
| |
| Cannot drive meter register. |
|
Pinion jam, reset fingers are engaged,
heart cams hit on detent lever shutter
stud, clutch not engaged. |
|
Check washers on pinion shaft. Check
end play of shafts. Clean and lubricate
clutch. |
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