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Top Drives

PB01 thru PB123

B124 -Top_Drive_Position_Sensor_Clamp_Replacement

PB125 – Quill_Washout_Plate_Product_Bulletin

PB126 – LWCV_Anti-Rotation_Bracket

PB127 – Crown_Hanger_Harpoon-Alert

PB128 – ALERT Portable Torque Guide

PB129 – Top_Drive_Guide_Runner_Shim_Modification

PB130 – PV1250_Plus_RIO_upgrade

PB131 – Upper_Torque_Guide_J-Box_Safety_Alert

PB132 – TD_Encoders

PB133 -TD_Torque_Unwind

PB134 – Hydraulic Cold Bleed

PB135 – Quill Washout Plate_v3

PB136 – Eaton Brake Discontinued

PB137 – ALERT Handler Rotation

PB138 – ALERT Guide Runner Adjuster Bolts

PB139 – Panelview Unit Replacement-Standalone TD System

PB140 – 6027 Handler Lock Sensor Inspection and Testing

PB141 – ALERT – Upper_link_modification

PB142 – Adjustment_Handler_Lock_Sensor

PB143 – Encoder Lockout Clip

PB144 – 275Ton Top Drive Back Up Wrench Deflector Plate Safety Wiring

PB145 – Encoder Replacement

PB146 – ALERT – Circuit_Breaker_TDSU

PB147 – Split Ring Upgrade

PB148 – BUW Manifold Guard Upgrade Kit Installation Instructions

PB149 – Lower_well_control_valve_install

PB150 – ALERT -Limit Switch Guard Modification

PB151 – ALERT – Guide Runner Mounting Fasteners and Shims

PB152 – Electrical Enclosure Door

PB154 – ALERT – Mudline

PB155 – ALERT – Mudline Clamp

PB156 – Guide Runner Shims Upgrade

PB157 – Link Support Wear Limits

PB158 – ALERT – Hydraulic Hose Clamp Secondary Retention_v2

PB159 – ALERT – BUW Foot Stop Plate_Inspection Needed

PB160 – ALERT – Blower Motor Fan Cover Secondary Retention

PB161 – Main Bearing Replacement

PB162 – Lifting Configuration_Manual Update_v2

PB163 – Harpoon_Interference_with_Traveling Block

PB164 – Hydraulic_and_Electric_Loop_Pins

PB165 – Plenum_Heater

PB166 – ALERT – TD_Guard Catch Alert

PB167 – ALERT – TD Frame Inspection

PB168 – BUW_Nord-Lock_Washers_Kit

PB169 – Blower_Motor_U-Bolt_Support_v2.0

PB170 – Top_Drive_Blower_Upgrade_v2.0

PB171 – Washpipe_Assembly_Upgrade_Kit

PB172 – ALERT – Guide_Frame_Wear_Pads

PB173 – BUW_Nord-Lock_Washers_175-275T

PB174 – ALERT – TD_Frame_Base_Inspection

PB175 – ALERT – Block_Guide_Pin_Inspection

PB176 – ALERT – Load_Binder_Securement

PB177 – ALERT – Elevator_Clamp_Secondary_Securement

PB178 – Buw_Positioner_Guard

PB179 – ALERT -Steel_Stabbing_Bell

PB180 – BUW Die Block Upgrade

PB181 – VFD_Obsolescence

PB182 – TDSU_PLC_Comms_Obsolescence

PB183 – ALERT – Inspect_die_blocks

PB184 – ALERT -Top Drive Service Loop

PB185 – Safety_Securement_for_J-Box_Door_v2

PB186 – Adding Safety Securement to Steel Stabbing Bell Adjuster Plate

PB187 – ALERT – Using Non-OEM Parts in Load Path Danger

PB188  – TESCO Grabber Configurator Options

PB189 – Improved Oil Filter Securement and Protection

PB190 – Improved Encoder Support Bracket Available

PB191 – ALERT – Blower Motor Securement Upgrade

PB192 – ALERT – Inspection for Guard Access Door

PB193 – ALERT – Lower Well Control Valve (LWCV) Inspection

PB194 – ALERT – Ensure TD Aligned With WC

PB195 – ALERT – Inspect Guard

PB196 – ALERT – Gearcase Drain Issue

PB197 – Filter Obsolescence

PB198 – VFD Safety Relay Wiring

PB199 – Handler Lock Sensor Improvement_v2.0

PB200 – Gearbox Upgrade

PB201 – ALERT –  Air Cooler Mounting Bracket

PB202 – EXI TD Lubrication Oil Cooler Bracket Upgrade

PB203 – LWCV_Cylinder_Sec_Ret_v1.0

PB204 – Improved_gearcase_drain_v 1.0

PB205 – VFD_Discontinuation_ v1.0

PB206 – ALERT – Back-Up Wrench (BUW) Gripper Inspection

PB207 – ALERT – Junction Box to 600HP Motor Fasteners

PB208 – ALERT – Torque Arrest System

PB209 – Brake Assembly Upgrade

PB210 -ESI HYDAC Valves Discontinuation

PB211 – ALERT – 275T Unintended Elevator Closing

PB212 – Washpipe Assembly 

PB213 – ALERT – Limit Switch Guard

PB214 Obsolete TD Blower Press

PB215 – TD Gear Oil Filter Change

PB217 – TD Lube Oil Requirements

PB218 – ALERT – BUW Gripper Unintended Movement

PB219 – Handler Rotate Pinion Guard Upgrade

PB220 – Link Tilt Operation

PB221 – Blower Support Arm Install Procedure

PB222 – LWCV Anti-Rotation Bracket Securement Upgrade

PB224 – LWCV Actuator Pinion Retainer

PB225 – LWCV Actuator Bearing Greasing

PB226 – Rotary Manifold Pressure Pads Securement

PB228 – TD Guard Hinge Pin

PB230 – BUW Gripper Die Retainer Plate

PB231 – Encoder Junction Box Safety Securement