Description
Forging shops, stamping plants and composite molders in Vietnam lean on large hydraulic presses, and those machines shake their own bolts over time. When a press comes down for planned service, its heavy joints must go back to spec before the next run. The Snap-on TESI2803LC torque wrench reads up to 2,800 N·m and flashes a lamp at the target. Its listing also adds a calibration certificate.
Press joints that suit the Snap-on TESI2803LC torque wrench
- Cylinder flange and mounting bolts on the crown.
- Bolster plate and moving platen bolts.
- Gib and slide guide bolts after a clearance reset.
- Motor, pump unit and frame anchor bolts at the base.
However, many large presses use pre-stressed tie rods that need hydraulic tensioners. Follow the press builder’s manual for those, and keep the TESI2803LC for joints with a printed torque value.
TESI2803L catalog row
| Item | TESI2803L (CAT1500i p.334) |
|---|---|
| Square drive | 1 in |
| Range | 2,800 N·m |
| Increments | 50 N·m |
| Length | 80 in |
| Width | 4-13/32 in |
| Head depth | 2-1/8 in |
These figures come from Snap-on’s Newton Meter Reading table. The catalog adds that putting a C after the stock number orders a certificate of calibration model. So the TESI2803LC is the C form of the TESI2803L, and the Lost in HCM title names the certificate as well.
A lamp for a loud press hall
Press halls ring with pumps, fans and the thump of nearby machines. So a fitter may struggle to watch a dial while pulling an 80 inch lever. Snap-on’s Signal models answer that with a built-in light that flashes at the targeted torque. The fitter on the TESI2803LC watches for the flash, eases off, and then reads the needle for the record.
Lower limit of the 2% band
Lost in HCM files this wrench under Newton Meter Reading/Standard 2% Accuracy. In Snap-on terms, Standard holds a 2% tolerance on the reading over the span from 20% of full scale to the top. For the TESI2803LC, the band therefore starts at 560 N·m.
Two-person handling
An 80 inch wrench works best with two people. One pulls in a steady motion while the other steadies the head and calls out the lamp. Snap-on warns never to use a Torqometer to break fasteners loose, so free seized bolts with a slugging wrench or multiplier first. Then store the Snap-on TESI2803LC torque wrench flat and dry, away from hydraulic oil drips.
Certificate and recalibration for the Snap-on TESI2803LC torque wrench
The certificate gives your QA team a document to file with the press maintenance log. Even so, Snap-on states that periodic recalibration is necessary to keep accuracy. Plan that with an outside lab on your usual tool cycle, and ask Lost in HCM what the certificate covers.
Buying through Lost in HCM
Press shops, forges and machine builders can buy the TESI2803LC from Lost in HCM, which supplies this SMK Vietnam listing. To line it up before your next shutdown, request a quote from Lost in HCM. Lighter dials for the same press sit in our torque wrenches range. You can also look up Snap-on on snapon.com, or contact SMK Vietnam for help.
Press maintenance FAQ for the TESI2803LC
What is 2,800 N·m in ft-lb?
About 2,065 ft-lb. The TESI2803LC dial reads newton meters, so convert any U.S. value first.
Does a long extension handle come with it?
The source does not say. Ask Lost in HCM what ships in the box before you plan the job.
Can it tighten press tie rods?
Only if the press maker gives a torque method for them. Many tie rods need hydraulic tensioners instead.
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