This manual explainshe use and care of 14”riggingsheavesmanufactured by Wireline Technologies, Inc. Thesheaveisavailable itwo
models. The original model has shielded bearingsandisideified by aorange cover. The sealed bearingmodelisideified by a yellow
cover. Each is available itwoconfigurations.Theno-shroud configuration, showifigure 1,will allow aropesockeor “torpedo”o pass
overhe wheel. The half-shroud configuration, showninfigure2, has a cable shroud covering parofhe wheeloaidincotaininghe line
ithe wheel groove. Pleaseead and become familiarwithallofhe informatioithis manual beforeusingthisequipme.
Waings
• Read eire manual before operatinghis equipme.
• If proper procedures areofollowed,loa***aydisengage.
• A falling load cacause serious injury or death.
• Never usehis producfor hoisting personnel.
• Always anchor or hanghe sheave viahe clevis,ever bywayofthe cover or any ancillary equipme.
• Never apply more forcehathe Safe Working Load (SWL)listedothe affixedag.
• The listed Safe Working Load is forhe sheave assembly;thesafelineensiowill be less.
• Aachmeo other equipmenwith lower SWL willreducetheallowable load.
• Always use a hand guard whethe sheave isusedaroundpersonnel.
• Always make surehe sheaves are properly maiainedandproperlyrigged.
No-Shroud (Optional)
Figure 1
Half-Shroud (Standard)
Figure 2 2
Safe Working Load
Theated safe working load (SWL) for a WTI 14” sheave is15,000lbs.(6,800 kg.), withhe exceptioofhosemanufacturedfo
Schlumberger. These sheaves, as directed bySchlumberger,havea safe working load of 10,000 lbs. (4,530kg.). Theallowableline pull will
depend upobothhe SWL andhe anglehe lineisdeflected.Ifhe sheave is used as aop sheave, itdeflectsthe line 180°,see figure 3. If
he sheave is used as a boom sheave, ideflectshe line90°,seefigure 4. Never exceedhe SWL, unlessspecialprecautions aretakei
accordance with your company’s policy. Theseprecautionsshouldinclude, buareolimitedo, clearingheigfloor ofallpersonnel. If
he SWL is exceeded,he sheave should bee-certified beforeitcansafely be placed back iservice.
Top Sheave
Max. lineensio
7,5000 lbs. (3,400 kg)
Schlumberger Limi
Max. lineensio
5,000 lbs (2,260 kg)
Boom Sheave
Max. lineensio
10,600 lbs. (4,800 kg)
Schlumberger Limi
Max. lineensio
7,070 lbs (3,200 kg)
Safe Line Tensiofo
90-Degree Deflectio
Figure 4
Safe Line Tensiofo
180-Degree Deflectio
Figure 3 3
Clevis Options
Five clevis swivel assembly options forsuspending/anchoringthesheave are available: These optiosare showifigures 5–9 below. The
Clevis-Eye has aopening abou2.5” X 3.3” for achainorsling. The opening width ofhe Clevis -AWS is 1 3/4”withahole for a 1” pin.
The opening width ofhe Clevis -HLS is 1 1/4” with a hole fora1”pin. The opening width ofhe Clevis-SJ is 7/8” withaholefor a 1 1/2”
pin. The shackle clevis has abouthe same openingastheClevis-Eye.
Clevis-Eye
Par# RS-1075A
Figure 5
Clevis-AWS
Par# RS-1252A
Figure 6
Clevis-HLS
Par# RS-1552A
Figure 7
Clevis-SJ
Par# RS-1052A
Figure 8
Clevis-Shackle
Par# RS-1152A
Figure 9
