Description
Coal mines in Quang Ninh move rock and coal on long belt conveyors, hoists and rail haulage. Their workshops also rebuild drive units and frames that see heavy shock every shift. The Snap-on TER602AC Torqometer brings a measured reading to those large joints. It has a 3/4-inch drive, a Basic dial to 800 N·m and 600 ft-lb, and a calibration certificate.
Snap-on TER602AC Torqometer: the TER602A row
| Item | TER602A (CAT1500i p.334) |
|---|---|
| Square drive | 3/4 in |
| N·m scale / steps | 800 N·m / 20 N·m |
| US scale / steps | 600 ft-lb / 20 ft-lb |
| Length | 40-7/8 in |
| Width / head depth | 3-1/4 in / 1-25/32 in |
| Storage case | PB39 |
The same row also lists the TER602FUA Follow-up and TER602LA Signal models. As the catalog explains, a C added to the stock number orders the certificate version, so this listing is the certified Basic TER602A.
Mine workshop joints for the TER602AC
- Conveyor drive pulley bearing blocks and gearbox base bolts.
- Take-up frame and head chute bolts after a belt change.
- Haulage locomotive and mine car coupling hardware.
- Ventilation fan and motor mounting bolts.
Each value must come from the equipment maker or your site standard, so check the manual first. In addition, the 1% band starts at 160 N·m or 120 ft-lb on this dial, so lighter bolts need a smaller TER.
Pulling 800 N·m by hand
Torque equals force times lever length. The TER602AC body measures 40-7/8 in, a little over one meter. So a full-scale pull needs more than 750 N of force, even with your hand at the very end. That is why footing matters as much as the dial. Set the socket fully, brace your feet, and pull slowly with both hands.
Coal dust and the Snap-on TER602AC Torqometer
Fine dust gets into every gap, so the dial needs care too. Therefore, keep the wrench in its case until the joint is ready. Also wipe the dial guard and handle with a dry cloth after use. Never use it to break bolts loose, since Snap-on warns against that. Then send it for recalibration on your site interval.
Price the TER602AC
Lost in HCM supplies this Torqometer, while SMK Vietnam lists it for mining and heavy industry buyers. For a mine workshop order, request a quote from Lost in HCM. Other ranges appear under torque wrenches, or you can contact SMK Vietnam.
Mine maintenance FAQ
How much pull does full scale take?
More than 750 N at the end of the body, by simple arithmetic. So brace well and use both hands.
Can the TER602AC work with impact sockets?
Use standard hand sockets in good condition. Never drive the wrench with any power tool.
Which TER model sits above 800 N·m?
Snap-on lists the 1-inch TER1003 at 1,360 N·m, with no follow-up model in that size.
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