
User Manual
Turnaround Sheave
108-3108-HV0
108-3108-HV1
OPS-3108 Rev E 1
Table of Contents
Revision History ...........................................................................................2
Safety...............................................................................................................3
1Introduction...............................................................................................4
1.1 General..............................................................................................4
1.2 Product Identification .........................................................................4
2Technical Specification .............................................................................5
3Technical Description ...............................................................................9
4Operation................................................................................................10
4.1 Pre Job ............................................................................................10
4.2 During Job .......................................................................................10
4.3 Post Job...........................................................................................10
4.4 Changing the Pulley Wheel .............................................................11
4.5 Fitting the Tool Catcher ...................................................................13
5Maintenance ...........................................................................................14
5.1 Introduction......................................................................................14
5.2 Schedule..........................................................................................14
5.3 Maintenance Record Sheet .............................................................16
6Testing....................................................................................................17
7Parts List and Drawings..........................................................................18
8Spares ....................................................................................................24
8.2 Optional Equipment .........................................................................24
Table 1: Technical Specification ......................................................................5
Table 2: Maintenance Record........................................................................16
Table 3: Part List for 108-3108-HV0 ..............................................................18
Table 4: Parts List for 108-3108-HV1.............................................................19
Table 5: Parts List for 108-4131-HV0.............................................................20
Table 6: Part List for Handling Kit 108-3508-SS0 ..........................................20
Table 7: Redress Kit Part No RDK-3108-HV0 ...............................................24
Table 8: Redress Kit Part No RDK-3108-HV1 ...............................................24
Table 9: Optional Equipment .........................................................................24
Table 10: Maximum Safe Riser Length for Given Line Pull..............................5
Figure 1: Turnaround Sheave Safety ...............................................................3
Figure 2: Specification drawing (dimensions in inches) ...................................6
Figure 3: Specification drawing (dimensions in mm)........................................7
Figure 4: Assembly & Disassembly Instructions ............................................15
Figure 5: Tool Catcher Adapter Assembly .....................................................20
Figure 6: Turnaround Sheave Assembly........................................................21
Figure 7: Alternative Wheel Part Nos.............................................................22
Figure 8: Handling Kit ....................................................................................23
Figure 9: Typical Hook-Up Arrangement..........................................................2