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SERVICE MANUAL

WEBBING INERTIA REEL BLOCK

PC. 915303

Lifting Your Business to A Higher Level

1300 100 120

www.austlift.com.au
AUSTRALIAN LIFTING CENTRE PTY LTD

Summary of Contents for 915303

Page 1: ...SERVICE MANUAL WEBBING INERTIA REEL BLOCK PC 915303 Lifting Your Business to A Higher Level 1300 100 120 www austlift com au AUSTRALIAN LIFTING CENTRE PTY LTD ...

Page 2: ...orsed by AUSTLIFT 3 This Service Manual is meant only to be a handbook for ready reckoning of the trained service provider for AUSTLIFT Retractable Fall Arrester Block 4 Once the block has been opened up for servicing by the authorized service personnel AUSTLIFT shall not be responsible for any damages mishaps whatsoever It shall be the duty of the service provider only to respond to such a situat...

Page 3: ... SIM 915303_19 SERVICE MANUAL VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 INDEX 4 12 22 25 Step Wise Illustrations Changing The Coil Spring Final Assembly Standard Torque Values ...

Page 4: ...f Plastic Casing Webbing Retractable Fall Arrester AUSTLIFT Retractable Fall Arrester Block 1 Place the Block on the Service table with front side up 2 Ensure that the Allen head of the screw is facing up 3 Now peal off the sticker as shown in the above figure Remove the Main shaft screw by using 4mm Allen Key and place in a container as shown in the above Figure Main shaft Screw ...

Page 5: ...that the Allen Head of the screw is facing up Remove the 4 screws one by one as shown in the figure above Now open the casing by just inserting a screw driver in between the two casing with one hand carefully holding the webbing assembly by the other hand to prevent it from abruptly moving out see figure above Casing Screw Webbing Assembly Screw Driver ...

Page 6: ... Now take out the webbing along with the Hook other Plastic parts from the slot of the Ratchet casing by just pulling it up lightly then release the tension of the spring by unwinding the drum in anti clock wise direction as shown in the above fig You will need to unwind approximately 3 to 4 turns until the drum is completely free of tension After relieving the tension turn the whole assembly upsi...

Page 7: ...303_19 SERVICE MANUAL VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 STEP 7 STEP 8 Now peel off the sticker on the casing Remove the main shaft screw using 4 mm Allen Key Main Shaft Screw ...

Page 8: ...ll out the Brass Brakes one by one using your fingers to check that all Brass Brakes are freely moving in and out the springs pulling them inwards are not worn or damaged If not replace them Ensure that there is no friction whatsoever between the Brass Brakes the pivot on which they rotate The springs should be intact in their position Ratchet Casing Springs Brass Brakes ...

Page 9: ...While loosening the screws if any screw is not able to loose stuck into the hole then we will not try to apply excessive force on allen as it will lead to deform the drive of grub screw 3 Fix the assembly in Three jaw chuck and with the help of chuck nut opening gauge try to move the chuck nut anticlockwise for a bit distance stop when cuck nut start moving 4 Now again use L Type Allen Key and try...

Page 10: ...EBBING INERTIA REEL BLOCK 915303 STEP 13 STEP 14 Remove the Chuck Nut Remove the Pressure Washer It is essential to replace this Washer Every time you service a Retractable So it would be better to discard it and get a new one in its place Pressure Washer Chuck Nut ...

Page 11: ... VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 STEP 15 STEP 16 Pull up the Brake plate Remove the Friction Plate Immediately replace the Friction Plate with a new one Friction Plate Brake Plate Friction Plate ...

Page 12: ...change the drum with a new one Remove the webbing from the drum and check the entire length for any damages or abrasion marks In case of any doubt about the condition of webbing replace it with a new one It is not necessary to replace the webbing Lanyard assembly every time you service a block Now assemble it backwards doing the opposite of Step 17 16 15 14 and Step 13 i e putting back the new web...

Page 13: ... not continue to tighten the chuck nut further by 100Kgf cm each time measuring the achieved torque until the measured value will be as indicated on standard torque chart Measuring the Brake Plate Torque It should be as per value indicate in the standard torque chart Page No 24 Caution Ensure that the tightening by Torque Wrench is done as smoothly as possible without giving any jerks or sudden fo...

Page 14: ...ead screws of the spring cover one by one Turn the assembly upside down and remove the external circlip lock retaining ring as shown in the figure With the help of external circlip plier Circlip lock External circlip plier C sk screw CHANGING THE COIL SPRING In case the Coil spring is damaged or broken it needs to be replaced following step 21 to step 35 ...

Page 15: ...TEP 23 STEP 24 Caution Carefully remove the Spring Cover while keeping the coil spring down with your other hand as shown in the figure Quickly put the Safety Bar on the Spring while tightening the Safety Bar Allen Bolt into the main shaft to prevent the spring from coming out accidently Spring Cover Safety bar ...

Page 16: ... Pull out the webbing to check if the spring is broken Changing the damaged coil spring After pulling out the webbing put the Stopper Block as shown in the fig near to the bend of coil spring to create the gap release the webbing to achieve the rest position of spring Caution Be careful while handling the coil spring Stopper Block Pulling out the webbing Clamping fixture ...

Page 17: ...ERVICE MANUAL VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 STEP 27 STEP 28 Hold the spring with help of a Tool Maker Clamp Remove the safety bar with help of 5mm Allen key Allen key Spring Cover ...

Page 18: ...tlift com au WEBBING INERTIA REEL BLOCK 915303 STEP 29 STEP 30 Pull out the spring with the help of Tool Maker Clamp Caution Be careful while handling the coil spring Remove the coil spring from the drum as shown in the figure Bend end of coil Spring ...

Page 19: ...TEP 31 STEP 32 Fitting the New Coil Spring Hold the open end of the spring inside the Drum and hold it tightly Put the Coil Spring inside the housing with the help of Tool Maker Clamp and insert the bend of spring into the slot of the shaft Caution Be careful while handling the coil spring Open end of the spring ...

Page 20: ...BING INERTIA REEL BLOCK 915303 STEP 33 STEP 34 Put the spring cover back as shown in the above fig ensuring that the spring is held downwards using your other hand Put the Circlip Lock Retaining Ring by using External Circlip Plier Circlip lock External Circlip Plier ...

Page 21: ...915303_19 SERVICE MANUAL VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 STEP 35 Using screw driver Tighten all CSK Slotted Head screws of the spring cover one by one Slotted head screws ...

Page 22: ...OCK 915303 STEP 36 STEP 37 Put 2 or 3 washers to maintain the clearance between the casing and the Assembly Put the Ratchet Casing over the Brake Plate Assembly as shown in the above figure Tighten the main shaft screw using 4 mm Allen Key Main Shaft Screw Ratchet Casing FINAL ASSEMBLY ...

Page 23: ...mbly upside down tension the spring by winding the drum in clock wise direction as shown in the above figure Give 4 to 5 turns and check that appropriate retraction tension has been achieved Put 2 washers on the shaft handle reinforcement in the slot of ratchet casing and then place the plain casing on the drum Drum Plain Casing Direction of winding ...

Page 24: ...stlift com au WEBBING INERTIA REEL BLOCK 915303 STEP 40 STEP 41 Tighten the Main shaft screw by using 4 mm Allen Key as shown in the above figure Finally tighten the Casing screws one by one as shown in the above figure Casing Screw Main shaft Screw ...

Page 25: ...915303_19 SERVICE MANUAL VOL 1 1300 100 120 WEBBING INERTIA REEL BLOCK 915302 915303 915342 915344 STANDARD TORQUE VALUES WEBBING INERTIA REEL RANGES Torque as Per EN NORM 915303 800 KGF CM STANDARD TORQUE VALUES ...

Page 26: ... to change without notice 1300 100 120 AUSTRALIAN LIFTING CENTRE www austlift com au Head Office NSW 43 Frank Street Wetherill Park NSW 2164 Ph 02 9757 2277 WA Office 42 Mulgul Road Malaga WA 6090 Ph 08 9248 6674 VIC Office 475 Dohertys Road Truganina VIC 3029 Ph 03 9314 5525 QLD Office 7 Durbell Street Acacia Ridge QLD 4110 Ph 07 3272 0777 ...

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