MXT

The MXT is the world’s best-selling industrial bolting system with over one hundred thousand in use around the world. Since 1990, the signature blue housing has represented quality, durability and reliability on job sites in every major industry. From the tallest roller coasters to the world’s largest bridges, the MXT has the power to get the job done.

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01. LOCK-UP RELEASE

The MXT was the first tool in the industry to feature the lock-up release lever that allows you to release pressure after torqueing for easy removal. (*Also found on AVANTI series) PRODUCT INFO

02. NO-SLIP RATCHET

The MXT series pioneered this new system for more powerful breakout and faster tightening. The secondary pawl inside the tool prevents the ratchet from turning opposite of the direction it is being driven.

03. SUPER ALLOY OPTION

The MXT-SA series provides the proven reliability of the MXT design with advanced materials used to increase lifespan further for extreme usage. The MXT-SA tools come with a 5 year no-questions warranty.

SPECIFICATIONS

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Torque Charts

Technical Data

Imperial

TOOL MODEL	Height (H)	Width (W)	Length (L)	SQ	Weight	Torque Range
MXT-.7	4.25″	1.62″	3.96″	¾”	2.70 Lbs.	118 – 822 ft-lbs
MXT-1	4.90″	1.97″	4.88″	¾”	3.95 Lbs.	200 – 1,340 ft-lbs
MXT-3	6.12″	2.63″	6.34″	1″	8.30 Lbs.	480 – 3,230 ft-lbs
MXT-5	7.22″	3.16″	7.61″	1 ½”	14.20 Lbs.	835 – 5,590 ft-lbs
MXT-10	8.80″	3.95″	9.51″	1 ½”	24.80 Lbs.	1,755 – 11,520 ft-lbs
MXT-15	9.67″	4.38″	10.55″	2 ½”	36.00 Lbs.	2,268 – 15,399 ft-lbs
MXT-20	10.24″	4.73″	11.41″	2 ½”	43.40 Lbs.	2,960 – 19,760 ft-lbs
MXT-35	12.42″	5.82″	14.03″	2 ½”	77.45 Lbs.	5,400 – 37,100 ft-lbs

Metric

TOOL MODEL	Height (H)	Width (W)	Length (L)	SQ	Weight	Torque Range
MXT-.7	107.95 mm	41.15 mm	100.58 mm	¾”	1.22 Kg.	159.99 – 1,114.49 Nm
MXT-1	124.46 mm	50.04 mm	123.95 mm	¾”	1.79 Kg.	271.16 – 1,816.80 Nm
MXT-3	155.45 mm	66.80 mm	161.04 mm	1″	3.76 Kg.	650.79 – 4,379.30 Nm
MXT-5	183.39 mm	80.26 mm	193.29 mm	1 ½”	6.44 Kg.	1,132.11 – 7,579.04 Nm
MXT-10	223.52 mm	100.33 mm	241.55 mm	1 ½”	11.25 Kg.	2,379.47 – 15,619.07 Nm
MXT-15	245.62 mm	111.25 mm	267.97 mm	2 ½”	16.33 Kg.	3,075.00 – 20,878.30 Nm
MXT-20	260.10 mm	120.14 mm	289.81 mm	2 ½”	19.69 Kg.	4,013.23 – 26,791.04 Nm
MXT-35	315.47 mm	147.83 mm	356.36 mm	2 ½”	35.13 Kg.	7,321.44 – 50,300.99 Nm

Troubleshooting

Prior to testing hydraulic torque wrenches. A visual inspection should be done. The visual inspection should include.

Cracked, bent, or damaged couplers.
Swivel Assembly
- Cracked swivel block
- Loose swivel assembly
- Swivel post retaining ring is attached
Loose end cap
Cracked or damaged housing

When testing hydraulic torque wrenches. Make sure the pump functions correctly, and is set to 10,000 PSI before the tool is connected. Connect the tool to the hose, and test the tool using the pump remote. ADVANCE and RETRACT the tool several times. Make sure the tool functions properly and the pump pressure builds 10,000 PSI / 700 BAR in the ADVANCE position.

Tool does not ADVANCE or RETRACT. Check the following.

Couplers are loose or damaged.
- Tighten and/or replace couplers.
Ratchet
- Replace ratchet if the teeth are stripped, missing or damaged.
Drive pawl Assembly
- Check drive pawl springs for damage.
- Inspect drive pawl for damage.

Tool does not build 10,000 PSI in the ADVANCE position, and there are no external leaks. The tool has an internal leak. Internal leaks are located in two areas, the swivel assembly and the cylinder.

Swivel Assembly – Tool will not build over 2000 PSI
- Replace damaged swivel seals.
- Inspect swivel post for wear and/or damage.
- Inspect swivel block for damage.
Cylinder – Tool will not build over 6000 to 7000 PSI
- Check the piston and cylinder O-ring for wear and/or damage.
- Inspect the piston assembly for wear and /or damage.
- Inspect cylinder wall for excessive wear.

Tool has an external leak.

Swivel Assembly
- Bent or broken couplers.
- Worn and/or damaged seals.
- Cracked or damaged swivel block.
- Damaged swivel post.
Cylinder
- Worn and/or damaged seals.
- Loose end cap.
- Worn and /or damaged piston assembly.
- Damaged housing assembly.

The tool’s square drive rocks back and forth. Check the following.

Lever Assembly
- Lever mounting screws are too tight.
- Levers cracked and/or damaged.
Reaction Pawl Assembly
- Damaged reaction pawl spring.
- Damaged reaction pawl.
Ratchet
- Replace the ratchet if the teeth are stripped, missing or damaged.