Acroprint Motor & Brass Minute Impulse Cam 
Complete replacement solution for Acroprint clocks that are losing time.
Description
This Acroprint motor and brass minute impulse cam combo is the correct fix when an Acroprint mechanical time clock begins to lose time. When the clock slows down or fails to advance minutes correctly, replacing both components solves the problem permanently.
By the time the motor is worn out, the brass cam is almost always worn as well. Since the cam must be removed to replace the motor anyway, replacing both parts at the same time prevents repeat failures and saves time.
This assembly is always in stock and ships via UPS or postal for fast delivery.
After removing the minute hand, hour hand, and the four screws holding the clock face, inspect the brass cam. If you see a deep groove worn into the cam, the clock will not advance minutes correctly.
When the cam is worn, the minute overthrow cannot travel far enough to grab the next tooth on the minute gear. The motor may still be running, but the clock will slowly lose time.
Installation Overview
This is a straightforward mechanical repair for someone comfortable working inside a time clock.
| Estimated Time |
About 30 minutes start to finish |
| Skill Level |
Basic to moderate mechanical ability |
| Helpful Tip |
Use a magnetized screwdriver for motor screws |
Tools Recommended
- #2 or #3 Phillips head screwdriver
- #2 flat screwdriver
- Allen wrench set
- Magnetized screwdriver (strongly recommended)
- Patience
Service Option Available
If you prefer not to perform the repair yourself, you can send the clock to our service shop. We provide professional motor and cam replacement with a typical 1–2 day turnaround.
A light application of WD-40 during reassembly helps ensure smooth operation when servicing mechanical punch clocks.
What This Fixes
- Clock losing time
- Minute hand failing to advance
- Noisy or weak motor operation
- Worn brass cam causing missed minute changes