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OPERATION, SERVICE AND PARTS
INSTRUCTION MANUAL
8012, 8018 & 8024
8,000 LB. CAPACITY
HOOK-TYPE CABLE SHEAVES
Read and understand this material before operating
or servicing this sheave. Failure to understand how
to safely operate this sheave could result in an
accident causing serious injury or death. This tool
should only be operated by qualified personnel.
999 2092.1
©1996 Greenlee Textron Inc.
IM 1260 REV 1 4/96
1.800.561.8187
information@itm.com
www.
.com
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Table of Contents
Summary of Contents for GREENLINE 8012
- Page 1 OPERATION, SERVICE AND PARTS INSTRUCTION MANUAL 8012, 8018 & 8024 8,000 LB. CAPACITY HOOK-TYPE CABLE SHEAVES Read and understand this material before operating or servicing this sheave. Failure to understand how to safely operate this sheave could result in an accident causing serious injury or death.
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Page 2: Purpose Of This Manual
8,000 lb. Capacity Hook-Type Cable Sheaves Purpose of this Manual Hook sheaves are used to change direction of the pulling rope. This manual provides instructions of rigging hook sheaves and calculating the load on the sheave anchor point and supporting structures. This manual should be kept available for operating and maintenance personnel. -
Page 3: Safe Operating Practices
8,000 lb. Capacity Hook-Type Cable Sheaves SAFE OPERATING PRACTICES SAVE THESE INSTRUCTIONS Calculating the Load on the Hook CHART #1 QUICK REFERENCE CHART • Use hook sheaves with a capacity rating equal to or greater than that of the maximum force developed by the puller. - Page 4 8,000 lb. Capacity Hook-Type Cable Sheaves SAFE OPERATING PRACTICES SAVE THESE INSTRUCTIONS ADDS TOTAL – PULLING Check the angle the rope makes over A rope making a 120° – FORCE the sheave. Determine the load on the bend over the sheave hook and supporting structures, and be adds the total pulling sure they will withstand the load.
- Page 5 8,000 lb. Capacity Hook-Type Cable Sheaves SAFE OPERATING PRACTICES SAVE THESE INSTRUCTIONS CALCULATING THE LOAD ON ANGLE SINGLE HOOK SHEAVES ANGLE with two attachment points (Figure 2) • Determine the load on the sheave from Chart #1 “Quick Reference Chart” or Formula #1 (page 3). ANGLE •...
- Page 6 8,000 lb. Capacity Hook-Type Cable Sheaves 8000 LBS. ANGLE D (100°) ANGLE θ (70°) ANCHOR ANGLE B (45°) ANCHOR ANGLE A (35°) ANGLE C (110°) Example: In this example we’ll pull up out of a manhole using the Ultra Tugger cable puller.
- Page 7 8,000 lb. Capacity Hook-Type Cable Sheaves REPRINTED WITH PERMISSION BY THE CROSBY GROUP Crosby Hoist Hook • Never use a hook that is worn beyond the limits shown in Figure 1. • Remove from service any hook with a crack, nick, or Warnings and Application Instructions gouge.
- Page 8 8,000 lb. Capacity Hook-Type Cable Sheaves REPRINTED WITH PERMISSION BY THE CROSBY GROUP • When placing two (2) sling legs in hook, make sure • Always make sure the hook supports the load. the angle from the vertical to the outermost leg is not (See Figure 3.) The latch must never support the load greater than 45°, and the included angle between the (See Figure 4).
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Page 9: Parts List
8,000 lb. Capacity Hook-Type Cable Sheaves Parts List PART NO. PART NO. PART NO. DESCRIPTION QTY. FOR 8012 FOR 8018 FOR 8024 Frame Unit 500 0854.4 500 0855.2 500 0856.0 Sheave Unit (with #6) 500 0843.9 500 0844.7 500 0845.5 Sheave Pin 500 0838.2...
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