Installation of AF-Neutral Section Insulators page 1
Installation of HS25 Section Insulator Flury-Adjustment JIG with complete tools item no 655.900.001 page 2
Neutral Section 25 kv AC Neutral Section page 3
Installation Instruction for each type of SI / NS Each box of SI / NS contains 1 Installation Instructions Installation training by AF instructor Download Installation Instruction on www.aflury.ch page 4
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Installation 1. Check completeness of NS-Parts 2. Prepare your tools 3. Define installation location 4. Prepare the contact and messenger wire 5. Measure the average high of contact wire and the Hogging factor 6. Installation of messenger wire insulator 7. Place Neutral Section Insulator body 8. Cut contact wire 9. Adjustment of NS height, level and suspension 10. Install skids (parallel to track, with Jig) 11. Controll everything page 6
Controll complettness of Parts Controll your neutral section parts according to the list of parts page 7
Tools for Installation Make sure you got all nessesary tools for the installation 1 Ring spanner 16/17 mm 1 Torque wrench 17 mm (50 Nm) 1 Adjusting JIG FLURY 1 Spirit level (FLURY Art. no 655.141.000) 1 Metal cutter (+ possibly 1 metal cutting saw) 1 Copper hammer approx. 2 kg 1 Flat nose pliers or universal pliers 1 Straightening wood 1 Measuring scale Additionally for: - Cut-in the messenger wire insulator - Replace of a used neutral section insulator 1 Pulley block with 2 cable sockets (mounting dead end) page 8
Preparation of contact and messenger wire Straighten the contact wire at the installation location and make sure it is not twisted! Place the contact wire and the messenger wire in the middle of the track (+/- 50 mm). Contact wire and the messenger wire must be positioned vertically above each other. page 9
Location As a standard for phase breakers a pylon should be placed in the middle of the system. PYLON page 10
Installation Instruction Installation direction Installation direction Turn to adjust Place the JIG with red side to the installation direction. Adjust the spirit level for the red side. Turn the JIG 180 and place the JIG with yellow side to the installation direction. Adjust the spirit level for the yellow side. page 11
Negative Presag (Hogging) of the NS Install with negative presag: A + B + X 2 A X B page 12
Installation without Hogging page 13
Impacts on Runners page 14
Impacts on Runners page 15
Installation with Hogging page 16
Negative Presag (Hogging) of the NS Measure the high of the contact wire at the guide arm clamps before (A) and after (B) the installation location. A B page 17
Negative Presag (Hogging) of the NS Calculate the average value: A + B 2 A B page 18
Negative Presag (Hogging) of the NS Measure the hogging factor X X page 19
Determination of Hogging Use a spring balance and pull the contact wire with 120 N - 150 N to measure hogging factor (x). page 20
Determination of Hogging 120-150N page 21
Negative Presag (Hogging) of the NS Install with negative presag: A + B + X 2 A X B page 22
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General Layout item description pcs. 1 Phase break 1 2 messenger wire insulator 2 3 hanger 4 4 hanger 4 5 saddle clamp 2 6 forked collar socket 4 page 24
Installation Instruction Install the messenger wire insulator with saddle clamp and cable hangers page 25
Installation Instruction page 26
intermediate result READY page 27
Installation Instruction Mount Section Insulator onto contact wire without runners. Adjust position according to general layout drawing. page 28
Installation Instruction WARNING! The teeth of the contact wire clamps must grip over the full length! page 29
1. Installation Mount Section Insulator onto contact wire without runners. First tighten all bolts of the contact wire clamp with 50 Nm by using a tourque wrench and retighten 3 times 2. Mount counternuts and block with 50 Nm page 30
Installation Cut contact wire Bend contact wire ends up 30-45 page 31
intermediate result READY page 32
Installation Mount the Adjustment JIG fix center Turn 90 page 33
Installation Suspend the section insulator and adjust hogging Hogging (A+B/2)+X If not known x = 70 mm Adjust height of registration arm as well! page 34
Installation Adjust precisely with turnbuckles in respect to the spirit level on the JIG page 35
Installation page 36
Installation Turn the JIG 180 and do the same adjustment with the JIG in yellow Turn 90 center fix page 37
Installation Suspend the section insulator and adjust hogging Hogging (A+B/2)+X If not known x = 70 mm Adjust height of registration arm as well! page 38
Installation Adjust precisely with turnbuckles in respect to the spirit level on the JIG page 39
Installation page 40
Installation Mount Runner on the left side Keep contact page 41
Installation Tighten the nuts with 50 Nm page 42
Installation Clip at Skid-Entrance Step 1: tighten the nut (green) with 50Nm Step 2: tighten the nut (purple) with 50Nm page 43
Installation Install and tighten the strengthening rods with 50 Nm Block with 20 Nm page 44
Installation page 45
Installation Mount Runner on the right side Keep contact page 46
Installation Tighten the nuts with 50 Nm page 47
Installation Clip at Skid-Entrance Step 1: tighten the nut (green) with 50Nm Step 2: tighten the nut (purple) with 50Nm page 48
Installation Install and tighten the strengthening rods with 50 Nm Block with 20 Nm page 49
Installation page 50
intermediate result READY page 51
Controll page 52
Earthing Phase 1 Phase 2 page 53
Installation and Design Recommendations Each neutral section insulator should be well centred and aligned parallel to the track. page 54
Most important points for NS Installation Skids in parallel to the track Hogging page 55
Last Point page 56
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Maintenance Instruction page 58
Maintenance Instruction page 59
Maintenance Instruction page 60
Maintenance Instruction page 61
Maintenance Instruction page 62
The End Thank you for your attention page 63