Page 1: Table Of Contents
Conveyor maintenance manual FlexLink conveyors XS, XL, XM, XH, XK, XB Contents General safety and design considerations ....2 Introduction ............2 Maintenance............... 4 System maintenance..........4 Maintenance instructions ........4 Introduction to drive units ........5 Slip clutch adjustment ........... 6 Inspection –...
Page 2: General Safety And Design Considerations
General safety and design considerations Introduction Critical factor • Control devices To achieve an operational installation which is reasona- Machine controls which prevent the interruption of bly safe for all people involved in its use and mainte- hazardous operations/conditions. nance, it is necessary to consider certain aspects. This is •...
Page 3 Introduction (continued) Special considerations Horizontal bend drive unit When correctly applied, the FlexLink family of compo- • The drive wheel and the transmission chain should nents are safe to use and maintain. It is however neces- not be accessible during the conveyor operation.
Page 4: Maintenance
• Pneumatic and/or hydraulic power must be discon- are familiar with FlexLink equipment. If there is any doubt nected and any pressure accumulation released. as to the most suitable procedure for maintenance, con- sult your FlexLink supplier.
Page 5: Introduction To Drive Units
Introduction to drive units Four types Catenary drive units There are four different types of drive unit: end drive units, intermediate drive units, catenary drive units and horizontal bend drive units. End drive units Catenary drive unit without return chain, located at an intermediate position along the conveyor.
Page 6: Slip Clutch Adjustment
Slip clutch adjustment Old and new versions 2 Unscrew the three screws (8) so that the outer ring (7) can be rotated freely. The slip clutch is available in two versions. Shipping of the new version began in 2001. Adjustment of both ver- 3 Hand-tighten the outer ring (7) to stop (no tools!).
Page 7 Slip clutch adjustment (continued) Clutch adjustment, new type Traction force, F XM, XH XK H XK, XB 1000 1150 1300 1550 1050 1050 1700 1 Remove the drive unit protection cover. 1250 1250 2000 2 Use an Allen key, 3 mm, to loosen the screw (1) on the 1400 2200 slip clutch so that the adjustment nut (2) can be freely...
Page 8: Inspection - Drive Units
Inspection – drive units Roller chain transmission • Loose disposable guides in plastic. The roller chain transmission should be checked and lubricated after 50, 250, 500 hours of operation, and then every 500 hours. If the roller chain transmission is not fitted with a chain tensioner the chain tension should be checked on this occasion.
Page 9: Inspection - Conveyor Chains
Inspection – conveyor chains Conveyor chains Cleated, friction and wedge chains The most common types of conveyor chains are: Cleated chains, friction chains and wedge chains, or other special chains should be inspected regularly, and • Plain conveyor chains. any defective links replaced or cleaned. Warning Only warm water (50°C), with soap if necessary, may be used for cleaning conveyor chains.
Page 10 Inspection – conveyor chains (continued) Important: The chain should therefore be pre-tensioned while the conveyor is stationary, but must never be so tight that there is no slack during operation. There should be no appreciable slack on the chain when the conveyor is sta- tionary.
Page 11: Inspection - Slide Rails, Beams, Idlers, Bends
Inspection – slide rails, beams, idlers, bends Checking slide rails Checking the slide rail, conveyor chain removed The condition of the slide rails is fundamental to the func- tioning of the installation. It is therefore essential that At least once a year or after every 2 000 hours’ operation, these are in good condition.
Page 12: Inspection - Safety Devices
Inspection – safety devices Protective and safety devices Safety devices should be checked at regular intervals. • Check the chain guard for roller chain transmission. This guard must always be in place when the con- veyor is in motion. • Check the protective cover on the cleated chain con- veyor return chain.
Page 13: Replacement Of Worn Parts - Conveyor Chain
Replacement of worn parts – conveyor chain Removal of conveyor chain 1 Ensure that the power to the drive motor is discon- nected. 2 Disengage the motor; there are various methods depending on the type of drive unit: — Detach the slip clutch. —...
Page 14: Replacement Of Worn Parts - Slide Rails
Replacement of worn parts – slide rails Replacing slide rails • Use a high quality drill bit to avoid forming a shoulder, preferably one which is intended for drilling alumin- It is very important to assemble slide rails correctly to ium.
Page 15: Anchoring Slide Rail
Fixing slide rail to the conveyor beam Hand drill Drill fixture for slide rail 4,2 mm (XS: 3,2 mm) Countersink The beginning of each slide rail section must be fixed to the beam, since the chain will cause the slide rail to be pushed forward.
Page 16 Anchoring slide rail (continued) Method 2: Using plastic screws Pliers/screwdriver Knife Hammer Plastic screws XLAG 5 An alternative to aluminium rivets is to use plastic screws XLAG 5: Mounting: 3 Make sure the slide rail surface is smooth and that screws do not protrude over the surface of the slide rail.
Page 17: Troubleshooting
Transmission products are Check and fit. not fitted temperature for conveyor. Chemicals in the environment are Check in FlexLink main catalogue affecting plastic parts (section TR) for listing of incom- patible chemicals. Motor overheating on drive unit Damage due to ingress of con- Clean the system.
Page 18: Checklist/Maintenance Schedule
Checklist/maintenance schedule General checks Number of operating hours/time interval See page Check roller chain, sprocket, chain tension and lubrica- Then every 500 hours Page 8 tion of drive unit Check/adjustment of slip clutch Every 1 000 hours Page 6 Check conveyor chain guides in drive units and idler Every 1 000 hours Page 8 ends...
Page 19: System Dismantling And Disposal
10 Dismantle the conveyor extrusions from the support Conveyor system XS, XL, XM, XH, XK, and XB brackets. This should be done in a systematic man- ner, removing conveyor section by section. Where To dismantle a FlexLink conveyor the following tools are extrusions are joined by connecting strips, first required.

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