Snap-on TE51FL Torqometer, U.S. Light Signal Dial Wrench, 1/2″ Drive, 50 ft-lb

Description

Metro lines in Hanoi and Ho Chi Minh City now run trains with many sliding doors on every car. In addition, each door rides on hangers and rails, while an electric drive pushes it open and shut thousands of times a week. The Snap-on TE51FL Torqometer helps depot staff refit those parts to a known value. It has a 50 ft-lb dial and a lamp that flashes when the set torque arrives.

Door gear above head height

Door drives usually sit in a cover above the doorway. So the fitter works with his arms raised and his eyes on the bolt, not on the dial. A flash at the target fits that posture well. After that, he lowers the wrench and reads the needle for the depot log. Thus the Snap-on TE51FL Torqometer saves a second look while the arms are still up.

TE51FL data, CAT1500i page 333

Snap-on prints the TE51FL in its US Reading/Standard 2% Accuracy table. In the same table, the TE51 row reads 600 in-lb, the same top torque in other units. So the TE51FL suits teams whose sheets use foot-pounds. Per the catalog, a C suffix orders the certificate of calibration model, TE51FLC.

Depot tasks for the Snap-on TE51FL Torqometer

• Door hanger and carriage bolts, where the door maker lists a value.
• Drive unit and spindle bracket fixings.
• Upper guide rail and lower track fasteners.
• Step plate and threshold bolts on car bodies.

Rolling stock manuals often give values in N·m. Therefore convert before you start: 50 ft-lb is about 68 N·m.

The TE51FL accuracy band

Lost in HCM lists the TE51FL under US Reading/Standard 2% Accuracy. For Snap-on, Standard means 2% of reading from 20% of full scale up to full scale. On a 50 ft-lb dial, the band starts at 10 ft-lb, or about 13.6 N·m. Smaller cover screws below that belong on a torque driver instead.

Night shift care

Depot work often runs at night, after the last train. Before each shift, test the TE51FL lamp so it does not fail mid-job. Then wipe off grease from door tracks, and keep the wrench in a drawer or case because the row lists none. Also respect Snap-on’s 0 to 100 °F range, avoid using it as a breaker bar, and recalibrate it on a set cycle.

Request a quote for the Snap-on TE51FL Torqometer

Rail operators, door system suppliers and depot contractors can source the TE51FL from Lost in HCM, the SMK Vietnam partner. For pricing on one or several wrenches, request a quote from Lost in HCM. You may also compare our torque wrenches, check snapon.com, or contact SMK Vietnam.

Rail depot FAQ for the TE51FL

What does the F in TE51FL mean?

Snap-on’s table pairs TE51, reading 600 in-lb, with TE51F, reading 50 ft-lb. So the F row carries the foot-pound dial.

Can the TE51FL work on the door motor itself?

Only on joints the door maker gives a value for. However, internal motor screws usually need a smaller tool.

Is a calibration certificate included?

The TE51FL name lists none. Ask Lost in HCM about the C version, TE51FLC.