Question about Seca 700KG Balance Beam Scale With Wheels, 220 Kg Max

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Balance beam wants to stick at about 300 lbs. not smooth moving

Do we need to be greasing or oiling something. When a person of 300 lbs. gets on the scale, something feels like it is rubbing and doesn't want to give a true weight. Also I can't seem to find a manual for the seca 700 on the website. Am I crazy? Thanks

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Checked the bottom of the scale to see if all loops are in place in the four corners. if they are in place load the scale with a body weight the heavier will be better and the look in between the platform and the frame see if there is room. if the platform is rubbing the frame the scale is worn out. chipper to buy a new one.

Posted on Jul 28, 2012

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I contacted the manufacturer and here is there reply.

No need for oiling or grease, but tip the scale on its side, and look
under the base. There will be four "connection points" where pivot pins
connect to the linkage assembly; see if any of those pins or linkage
points are bent or look different from the other ones.

Then, note down the serial number of the scale located on the side of
the base, or behind the column of the scale at the top or bottom of the
column, and call our Maryland repair center at 800-542-7322 ext. 111 and
speak with Tyson Long from 9:00 AM - 4:00 PM Maryland time to describe
the issue and for further troubleshooting over the phone.

I have attached our new catalogue in PDF format as well. FYI: The model
703 is a very popular, extremely heavy-duty, high-capacity digital
column scale that is a popular alternative to the mechanical physician
scales in the gym and schools environment.

Kind regards,

William Morris
Sales Support

seca north america west
Medical Scales and Measuring Systems seca corp.
3401 Centrelake Drive, Suite 320
Ontario, CA 91761
Telephone +1 909 605 7600
Telefax +1 909 605 7654

Posted on Mar 16, 2009


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My balance shaft belt broke while I was driving. It stripped some of the teeth off the timing belt and Im pretty sure it jumped time. I need a diagram to show the timing marks and how to get it back in...

see diagrams from Cam sprocket has an "UP" label, but also 2 scribes on the sides to align to upper head surface. The critical part of the job is keeping tension on the side of the belt that is opposite from the tensioner as the tensioner is released onto the belt. The timing marks must be aligned when the job is done.

4256a1c.gif To install:

  1. Install the camshaft timing sprocket so that the UP mark is up and the TDC marks are parallel to the cylinder head gasket surface. Install the key and tighten the bolt to 27 ft. lbs. (37 Nm).
  2. Install the crankshaft sprocket so that the TDC mark aligns with the pointer on the oil pump. Install the spacers with their concave surfaces facing in. Install the key. If equipped, install the TDC sensor assembly back into position before installing the timing belt.
  3. Install and tension the timing belt. Use a 6 x 1.0 mm x 25 mm bolt threaded through the cam belt tensioner plate to temporarily hold the tensioner.
  4. Temporarily install the crankshaft pulley and rotate the crankshaft counterclockwise 5-6 turns to be sure the belt is properly seated.
  5. Set the No. 1 piston at TDC for its compression stroke.

WARNING If any binding is felt when adjusting the timing belt tension by turning the crankshaft, STOP turning the engine, because the pistons may be hitting the valves.

  1. Rotate the crankshaft counterclockwise so that the camshaft pulley moves only 3 teeth beyond its TDC mark.
  2. Loosen, then retighten the temporary cam belt tensioner bolt.
  3. If the rear balance shaft sprocket/gear case assembly was removed, perform the following:
    1. If the rear balance shaft was moved, rotate the balance shaft until the 6 x 1.0mm x 100 mm bolt can be installed into the maintenance hole to the scribed line.
    2. Align the notch of the balance shaft sprocket edge with the pointer on the gear case. Install the rear balance shaft sprocket/gear case assembly using a new O-ring coated with fresh engine oil. The balance shaft sprocket should be installed in the TDC position. The pointer on the gear should align with the pointer on the oil pump housing plate.
    3. Tighten the mounting bolts to 18 ft. lbs. (25 Nm).

  4. If the front balance shaft sprocket was removed, perform the following:
    1. Install a suitable and sturdy screw driver or drift through the maintenance hole in the shaft behind the sprocket to hold the front balance shaft.
    2. Install the front balance shaft sprocket and mounting nut. Torque the nut to 22 ft. lbs. (29 Nm).

  5. Make sure the balance shafts and crankshaft are in the TDC position.
  6. Remove the crankshaft pulley, and if removed, install the balance shaft belt drive sprocket.
  7. Install the balance shaft belt, making sure the balance shafts and sprockets are still in the TDC position.
  8. If removed, install the balance shaft belt tensioner and tension the balance shaft belt.
  9. Loosen, then retighten the tensioner adjusting nut to 33 ft. lbs. (45 Nm).
  10. Remove the 6 x 1.0mm x 100mm rear balance shaft holding bolt.
  11. Temporarily install the crankshaft pulley and rotate the crankshaft 2 revolutions counterclockwise, stopping at TDC.

WARNING If any resistance is felt, stop immediately and determine the cause.

  1. Recheck that all of the TDC marks align for both the camshaft and balance shafts.
  2. Loosen, then retighten the tensioner adjusting nut to 33 ft. lbs. (45 Nm).
  3. Remove the 6 x 1.0 mm x 25 mm bolt used to secure the camshaft timing belt tensioner.
  4. Remove the crankshaft pulley and install the lower cover.
  5. Install the crankshaft pulley, lubricate the bolt threads and both sides of the crankshaft pulley bolt with fresh engine oil and tighten the crankshaft pulley bolt to 181 ft. lbs. (245 Nm). Do Not use an impact wrench.
See Figures 19 and 20


              Fig. Fig. 19: Holding the rear timing balancer shaft-4-cylinder Odyssey


            Fig. Fig. 20: Aligning the front timing balancer shaft-4-cylinder Odyssey

            1. Install the upper timing cover and the valve cover. Be sure the seals are properly seated.
            2. Install the side engine mount. Tighten the through-bolt to 47 ft. lbs. (64 Nm). Tighten the mount nut and bolt to 40 ft. lbs. (55 Nm) each.
            3. Remove the floor jack.
            4. Install and tension the alternator belt.
            5. Install the power steering pump and tension its belt.
            6. Install the splash shields.
            7. Reconnect the positive and negative battery cables. Enter the radio security code.
            8. Check engine operation.

            Sep 20, 2010 | Honda Odyssey Cars & Trucks

            1 Answer

            How do you set the timming on a 95 honda accord

            1990–95 4-Cylinder Accord and 1992–95 Prelude
            1. .
            2. Fig. 10: On all engines except VTEC, the belt adjuster arm must be locked in place using one of the lower cover mounting bolts 86803136.gif
              NOTE: There are two belts in this system; the one running to the camshaft pulley is the timing belt. The other, shorter one drives the balance shaft and is referred to as the balancer belt or timing balancer belt. Use a piece of chalk or a marker to place an identifying arrow on the belts. The arrow can identify the direction of rotation or the outer edge of the belts. The belts must be reinstalled so it moves in the same direction. Protect the belts from oil, coolant, etc. It's an even better idea to replace the belts at this point.
            3. Loosen the timing belt adjustment nut. Push on the tensioner to relieve tension from the balancer belt, then tighten the nut. Remove the balancer belt.
            4. On all models except Prelude with VTEC, loosen the lockbolt installed earlier and the adjusting nut. Push on the tensioner to release the timing belt, then tighten the nut. Carefully remove the timing belt. On Prelude VTEC models, remove the timing belt from the pulleys, then remove the bolts securing the auto-tensioner. Remove the auto-tensioner from the engine. To install:
            5. Check the position of the timing marks. The timing pointer must be perfectly aligned with the TDC (white mark) on the flywheel or flex-plate; the camshaft pulley must be aligned so that the word UP is at the top of the pulley and the marks on the edge of the pulley are aligned with the surfaces of the head. Additionally, the face of the front timing balancer pulley has a mark which must be aligned with the notch on the oil pump body. This pulley is the one to the left crank when viewed from the pulley end.
            6. Fit the timing belt over the pulleys and tensioner. On DOHC engines without VTEC, remove the 5mm pin punches from behind the cam pulleys.
            7. Except Prelude VTEC models:
              1. Temporarily install the crank pulley and bolt.
              2. Loosen the tensioner adjusting nut 1 turn, then tighten it. Rotate the crankshaft counterclockwise until the camshaft pulley has moved 3 teeth to create tension on the belt. Loosen the nut again, then tighten it to 33 ft. lbs. (45 Nm). NOTE: Always rotate the crankshaft counterclockwise when viewed from the pulley end. Rotating it clockwise will cause improper adjustment and possible damage.
              3. Tighten the lockbolt installed earlier to lock the timing belt adjuster arm. Remove the crank pulley.
            8. On Prelude VTEC models:
              1. Hold the auto-tensioner with the maintenance bolt facing up. Loosen and remove the bolt. NOTE: Handle the tensioner carefully so the oil inside does not spill or leak. Replenish with clean engine oil if any does leak. Total capacity is 1⁄4 fl. oz. (8 ml).
              2. Clamp the mounting flange of the tensioner in a vise using a cloth or blocks of wood to protect it. Insert a flat blade screwdriver into the maintenance hole. Place the stopper (tool number 14540-P13-003) or an equivalent clamp on the tensioner, then turn the screwdriver clockwise to compress the bottom. Be careful not to damage the threads or the gasket contact surface.
              3. Install the maintenance bolt on the tensioner with a new gasket. Tighten to 6 ft. lbs. (8 Nm).
              4. Make sure no oil is leaking from around the maintenance bolt, then install the tensioner on the engine. Make sure the stopper stays in place and tighten the bolts to 16 ft. lbs. (22 Nm).
              5. Remove the stopper. Fig. 11: On VTEC engines, the tensioner must be compressed before installing it on the engine 86803137.gif
                Fig. 12: Remove the stopper after installing the tensioner on the engine 86803138.gif

            9. Make sure all timing marks are positioned correctly (as described earlier).
            10. Align the rear timing balancer pulley (to the right of the crank pulley) using a 6x100mm bolt or rod. Mark the bolt or rod at a point 2.913 in. (74mm) from the end. Remove the bolt from the maintenance hole on the side of the block; insert the rod into the hole. Align the 74mm mark with the face of the hole. This pin will hold the shaft in place during installation.
            11. Loosen the tensioner adjusting nut and verify that the timing balancer belt adjuster moves freely. Fig. 13: The balancer shaft must be held in position during timing belt installation 86803139.gif

            12. Fit the balancer belt over the pulleys. Remove the bolt or rod from the maintenance hole.
            13. Temporarily install the crank pulley. Rotate the engine one turn counterclockwise, then tighten the tensioner adjusting nut to 33 ft. lbs. (45 Nm). Double check the positions of the timing marks and make sure they still line up. If not remove the belts and repeat the procedures. NOTE: Both belt adjusters are spring-loaded to properly tension the belts. Do not apply any additional pressure to the pulleys or tensioners while performing the adjustment.
            14. Remove the crank pulley. Remove the lockbolt installed earlier on the timing belt adjuster arm. Install the maintenance bolt with a new washer. Tighten it to 22 ft. lbs. (30 Nm).
            15. Install the lower cover, making certain the rubber seals are in place and correctly located. Tighten the retaining bolts to 9 ft. lbs. (12 Nm).
            16. If applicable, raise the lower beam and engine into place. Install the rear bolts for the lower beam. Tighten them to 28 ft. lbs. (39 Nm) on 1990–91 Accords, 37 ft. lbs. (50 Nm) on 1992–95 Accords and 43 ft. lbs. (60 Nm) on 1992–95 Preludes.
            17. Install the key on the crankshaft and install the crankshaft pulley. Apply oil to the bolt threads and tighten it to the following:
              • 1990 Accord: 166 ft. lbs. (230 Nm)
              • 1991–93 Accord: 159 ft. lbs. (220 Nm)
              • 1992–93 Prelude: 159 ft. lbs. (220 Nm)
              • 1994–95 Accord and Prelude: 181 ft. lbs. (245 Nm)
            18. Install the dipstick tube and dipstick.
            19. Install the side engine mount (refer to engine removal and installation for procedures). Remove the jack from under the engine.
            20. Install the upper belt cover.
            21. Install the side engine mount support bracket if it was removed.
            22. Install the valve cover.
            23. Install the compressor and/or alternator drive belt; adjust the tension.
            24. Route the wiring harness over the valve cover and connect the wiring to the alternator.
            25. Install the power steering pump and install the belt.
            26. Reinstall the cruise control actuator. Connect the vacuum hose and the electrical connector.
            27. Double check all installation items, paying particular attention to loose hoses or hanging wires, untightened nuts, poor routing of hoses and wires (too tight or rubbing) and tools left in the engine area.
            28. Refill the engine coolant.
            29. Install the splash shield under the engine.
            30. Connect the negative battery cable.
            31. Start the engine, allowing it to idle. Check for any signs of leakage or any sound of the belts rubbing or binding.

            Jul 18, 2010 | 1995 Honda Accord

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            Crank sticks on my AT-6903. What to do?

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            How to replace the light switch (high beam/turn signal) lever in a 2004 Ford Focus. The lever won't go in to place to make your high beams work. Can you give me step by step instructions on how to replace....

            Before you order the part try this.

            The problem can cause by dust,dirt and the protective grease drip onto the electrical contacts.

            It happen on my Ford long time ago and I fix it with spending a penny..


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            Looking for the torque specs for 1998 chevy astro van?

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            2 Answers

            Saitek st290 Lube

            I'm going to assume that you're refering to the central spring slider on the stick. The spring follower at the base has to slide up and down the shaft to provide spring pressure as the stick moves away from center. This plastic follower has a tendancy to gall the plasic it slides over on the stick shaft resulting in jerky stick movement. You can solve this problem with any wax based lubricant. I used a chapstick, but there are sprayable wax lubes that would be easier to apply, you can find them at hardware stores. Be careful with oils. Plastics are made from oil and the wrong ones will disolve it. WD-40 is a safe oil but use it sparingly and only on the shaft. Avoid using penetrating or cutting oils, they will disolve the plastic. You should test any oil on a foam coffee cup.
            The stick's internal gimbals are already well greased and don't need relubed and the throttle is supposed to be a little stiff. I've had good results with both WD-40 and waxes. The waxes are a little harder to apply but last much longer

            Aug 20, 2008 | Saitek ST290 Joystick

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