Maintenance is a program to keep all the parts of the machine in perfect condition with minimum wear and tear.
Preventive Maintenance in Blow Room;
It means to attend and check the machines regularly and systematically and defects are discovered and remedied before they cause a need for, major repair and before the wear & tear of the machine starts affecting the quality and production,
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Parts to be inspected | Rating & Action taken Remarks Repaired/replaced |
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| check the condition of
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| 1 | spikes on lattice &lattice tension
| If the part is defective, write "poor & needs Correction" in the rate & Remark column. |
| 2 | Striking edge of all the beaters
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| 3 | Feed roller weighting & its setting with beater. | The parts that are replaced or repaired will be entered by maintenance incharge. |
| 4 | Position of damper & air current in the cage.
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| 5 | Sharpness of blade/spike/pins of beater.
| Importance of maintenance in Blow Room. |
| 6 | Stripping rail setting in beater.
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| 7 | Function of P.E. cell swing door & other feed control mechanisms.
| If a serious breakdown occur in Blow |
| 8 | Condition of pedal feed control mechanisms. |
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| 9 | Calender Roller bearing & its weighting. | Room, a high proportion |
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| of a Mills production will |
| 10 | Racks condition & Effectiveness | be stopped causing the |
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| of brake.
| subsequent process to be |
| 11 | Timing and synchronisation of | short of material. |
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| auto doffing mechanism.
| This can be avoided to |
| 12 | Lap length measuring motion.
| some extent by a thorough |
| 13 | Lap hardening Mechanism.
| inspection and systematic |
| 14 | Lubrication system
| Programme of maintenance. |
| 15 | Al1 bearings-condition.
| which can also helps to |
| 16 | Belt, gear, chain, Robe & | reduce the 1ap |
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| all driving connection.
| irregularities and improve |
| 17 | Motor & its pulley condition.
| the cleaning efficiency. |
| 18 | Roller vibration/ Eccentricity
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| 19 | Speed & settings.
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| 20 | Pan whether chocked with dust, |
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| or not.
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| 21 | R.H.% & Temp condition.
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| 22 | Ratio of fan to beater speed & |
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| Air current.
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| 23 | Robe & Bls tension.
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| 24 | All nuts, Bolts, screws-tightening
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| 25 | Check for any rough places on |
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| various rollers or calenders
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Routine Maintenance in Blow Room: It means to attend the machine and maintenance work is carried out as per the maintenance schedule so as to maintain the Machine in perfect condition with minimum wear & tear.
Nature of operation Frequency
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1. Dismantling -Checking- thorough
cleaning & resetting of
i) Cage Unit, ii) Lap doffing unit Every month
| iii) Lap measuring Motion |
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| iv) Lap hardening Mechanism. |
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| v) Piano feed regulating Motion
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| 2. | Cleaning of grid bar
| Every shift |
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| 3. | Removal of droppings from beneath |
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| the grid bar.
| Twice per Shift |
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| 4. | Straightening of bent pins of | Whenever needs |
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| kirschner beater and sharpening the |
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| beater blade.
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| 5. | Polishing of grid bar.
| 6 months |
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| 6. | reversal of beater blade.
| 1 year |
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| 7. | Re dressing of beater blade
| 2 year |
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| 8. | Clean inside the cage
| each shift. |
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| 9. | Applying Black-lead powder inside the |
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| cage | periodically |
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| 10 | . General cleaning
| .15 days |
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| 11 | . Lubrication of all the gear wheel | Daily & greasing at |
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| &. bearing.
| the time of frame cleaning. |
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| 12 | correct the leakage places in the |
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| entire pneumatic duct line. | Every week. |
