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How to Identify and Fix Common Problems ?

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The first group of numbers in your timing belt number represents the length of your timing belt`s pitch by millimeters. The number you see is the number of millimeters of the pitch`s length. In our example, the length of the pitch of the timing belt would be 640 millimeters, for instance.
Pull the belt as tight as possible for a good reading. On the scale underneath the moveable pulley, the outer lines on the blue plastic will indicate the length of the belt in millimetres and inches. In this example the number 2045, which indicates a belt length of 2045 millimetres.
Belt tension at steady state can be calculated as:(6.6)Tb=1.37×f×L×g×2×mi+2×mb+mm×cosδ+H×g×mmwhere Tb is the belt tension (N), f is the coefficient of friction, L is the conveyer length in meter divided by two, g is the acceleration due to gravity (9.81m/s2), mi is the load of idlers within 1m length of conveyer belt ( …
A belt frequency is a rate at which a belt completes a full complete cycle of its length. In other words, it`s a measure of the time it takes to travel the full length of the belt.
Proper v-belt tension is the lowest force at which the belt does not slip under the maximum load. V-belts require very little maintenance; however, having improper belt tension can cause issues in belt drive systems.
The belt should have about a half an inch of play when at the appropriate tightness. If there is less than a half an inch, the belt will need to be loosened, if there is more, it will need to be tightened.
Whack the belt with a karate chop, and if it feels firm, the drive is properly tensioned.” “Press the belt with your thumb until it deflects about 1/2 in.” “Tension the drive until you get a slight bow in the slack side when it is running.
Pitch is measured from the right edge to the right edge of two adjacent teeth, e.g. 9.53 mm = 3/8 in (belt type L)… … or from the centerlines of two adjacent teeth, e.g. HTD pitch = 8 mm… … or plastic belt pitch is 10 mm.
The shape of the teeth, including how they blend into the belt and the thickness of the belt itself, are all part of the profile. When individual teeth are attached to a belt, the distance from tooth to tooth is the `pitch` of the belt.
The first digit indicates an eight-rib belt, followed by “P” to identify metric belt sizing, and a “K” showing that this belt conforms to the SAE standard for rib sizing (3.56 millimeters wide for automotive-type serpentine belts). The final series of numbers is the effective length of the belt, given in millimeters.
Again, your belt size is not the same as your waist size or even your jeans/pants size. As a general rule, belt size is measured from where the end of the belt meets the belt buckle to the middle hole of the (most often five) pre-punctured holes in the belt.
V-belt cross sections are categorized based on their top width and depth measurements. Each width/depth combination is labeled using a letter of the alphabet. For example, v-belts with 21/32 in. width and 7/16 in.
Damaged pulley bearings can cause the pulley to freeze completely, preventing the belt from moving properly. You can check for this specific issue by taking your belt off the pulley in question and attempt to spin it by hand. If you find the pulley has any resistance, it will likely need to be replaced.
We could calculate the belt pass frequency by knowing the driven shaft speed in rpm, the pitch diameter of the driven sheave and the belt length: BPF = pi*dia*speed/BL.
Mass of the belt per unit length Density of a double woven reinforced rubber, d = 1250kg/m 3 [7] Therefore mass of belt, m = area × length × density = 9×10 -5 × 1× 1250 = 0.113kg/m v.
Constant M for V-belts represents the weight in grams of a 1 meter length of belting with a correction factor applied to compensate for internal bending resistance .
How you tension a belt at installation will determine how long the belt will run. Too little tension results in slippage, excess heat, and premature belt & pulley wear. Too much tension results in excessive stress on belts, bearings, and shafts.
Belt Pull is defined as the vectoral addition of tight and slack side belt span tensions based. on input load (not design load). It represents the magnitude of pull that belt drives are. expected to exert on shafts while transmitting input loads.
For metric sizes, the number tells how wide the belt is in millimeters. On the standard size however, it indicates the width in inches with a leading zero for sizes that are under an inch: 012=0.125″, 025=0.25″, 037=0.375″, 050=0.500″, 075=0.75″, 100=1.00″, 150=1.50″, 200=2.00″, and 300=3.00″.
V-belt cross sections can be identified by their top width and depth dimensions. For example, a v-belt with a top width of 21/32” and a depth of 7/16” is a “B” belt. You can also use our Browning Belt Rule that includes a gauge to help easily identify belt type.
V-belt cross sections can be identified by their top width and depth dimensions. For example, a v-belt with a top width of 21/32” and a depth of 7/16” is a “B” belt. You can also use our Browning Belt Rule that includes a gauge to help easily identify belt type.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Epson Artisan 835 print head cleaning question
ANSWER : I had the same problem. After reading the comments, I tried Liquid Wrench spray. 1st try got about sixty percent improvement. Tried again this time I let it set for about 10 min then did a head cleaning. Completely solved the problem. I am a little concerned about its use on plastic. So far so good.

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HP 4101MFP Hard Drive Question
ANSWER : To initialize: turn off – Press start and hold down while turning on, release after all three light light, you should see initialize disk hit check, and allow to boot.

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Belt Unit
ANSWER : Clean the belt with a dry paper towel. If there is something on the cartridge drums that doesn’t wipe off with a dry paper towel, dip it in alcohol. Make sure you dry it off real good afterwards.

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DesignJet 1050C belt replacement
ANSWER : There is a good article about the resistance check for the HP Designjet 1050C after replacing or reconnecting the trailing cable. The article has a picture showing all 3 types of test points that were used with this plotter. Note: The very early Designjet 1050C main logic boards had no test points at all. If the dread 0B0006 comes up on this board, all you can do is put a 2A fuse in around F7 or get a new board (non-Plus) The 1050C Plus board is also available but the Error 0B0006 can usually be cured by simply replacing the glass fuse.

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LaserJet 1320 Transfer Roller Question
ANSWER : I have the same problem, have You found It? Thanks, Paolo.

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Belt end of life
ANSWER : Reset it and don’t worry about it. http://www.manuals365.com/swf/brother/um_mfc_9970cdw_en_2754.html?page=107

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Samsung clx-3305 transfer belt changed, and still problems
ANSWER : You will need to enter Technician Mode on the printer.

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Transfer belt doesn't reset the counter HP 4700
ANSWER : It is not possible to reset the counter of HP CLJ 4700. for further please check http://www.tinylinks.co/xyjX

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