Description
Coal-fired power stations from Quang Ninh to Tra Vinh still run around the clock in Vietnam. When a unit comes off line for a planned outage, crews race to reset fans, pumps and mills before restart. The Snap-on TESI4000FU torque wrench handles the biggest bolts on that list. Its two-needle dial also reads to 4,000 N·m.
Outage joints within the TESI4000FU range
- Bearing pedestal and base frame bolts on induced and forced draft fans.
- Boiler feed pump and motor base bolts.
- Coal mill gearbox and drive motor foundation bolts.
- Large coupling bolts where the maker gives a torque value.
Turbine casings, generator joints and high-pressure flanges follow the OEM’s own bolting methods, often with heaters or tensioners. So keep the TESI4000FU for joints with a printed newton meter value.
Snap-on data for the TESI4000FU
| Item | TESI4000FU (CAT1500i p.334) |
|---|---|
| Square drive | 1-1/2 in |
| Range | 4,000 N·m |
| Increments | 100 N·m |
| Length | 140 in |
| Width | 5-1/2 in |
| Head depth | 2-13/16 in |
Snap-on prints this row in its Newton Meter Reading/Standard 2% Accuracy table. The size comes as a follow-up and a signal version, with no basic model. This listing is the base follow-up code with no C, and its title names no certificate. Per the same table, a C suffix orders a certificate of calibration model.
Two needles for the outage log
Above all, outage managers want each big joint signed off with a value. On the TESI4000FU, one needle marks the targeted torque while the second holds the torque achieved. So the fitter can finish a long pull and then read the result with care. Then that value goes straight onto the work order.
Lower edge of the 2% band
Lost in HCM places the TESI4000FU in its Newton Meter Reading/Standard 2% Accuracy category. That grade, per Snap-on, keeps the reading within 2% from the 20% point of the scale to 4,000 N·m. On the TESI4000FU, that puts the bottom of the band at 800 N·m. So lighter joints on ducts and guards need a smaller dial.
Moving and using the Snap-on TESI4000FU torque wrench
Because of its size, a 140 inch lever needs a plan before it enters a crowded fan house. First, map the swing arc and clear trip hazards. Then assign two people: one to pull smoothly, one to steady the head. Never use it to break loose a seized bolt, and never exceed 4,000 N·m. Finally, Snap-on calls periodic recalibration necessary, so put the wrench on an outside lab’s schedule.
Request the Snap-on TESI4000FU torque wrench
Power plant owners, O&M contractors and boiler service firms can source the Snap-on TESI4000FU torque wrench from Lost in HCM, the partner behind SMK Vietnam’s Torqometer range. Well before the outage window opens, request a quote from Lost in HCM. Lighter dials sit under torque wrenches. Brand details live on snapon.com, and you can also contact SMK Vietnam for help.
Outage team FAQ for the TESI4000FU
What is 4,000 N·m in ft-lb?
About 2,950 ft-lb. Its scale shows N·m alone, so U.S. figures need converting first.
Does a long handle ship with the TESI4000FU?
Neither the source nor a clear catalog note covers that. Ask Lost in HCM what ships with your order before the outage.
Can I order it with a certificate?
No certificate appears in this title. Per Snap-on, adding C to the stock number gets the certificate model, and Lost in HCM can quote that option.
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