Control Levers for

DR Machines

APR | 2004

Max Recommended Operating Grade for Skid Steer and Crawler Roof Drills/Bolters

JUN | 2018

Max Recommended Operating Height for Man-In-Position Roof Drills/Bolters

MAR | 2018

Roof Bolter

Operation

DEC | 2013

Improvements

to the Mast

Swing Frame

JUL | 2013

Permissibility Compliance - Undersized Cable

JAN | 2013

Worm Gear

Tilt Box

JUN | 2012

Mechanical Boom Swing Arm Stops

MAY | 2012

Hands Off Rotating Drill Tools

JUN | 2010

Damage to Two-Leg Hinged Canopy

JAN | 2010

Safe Tramming; Improper Loading of Tools and Supplies

SEP | 2009

Tram Chain Guard

on Remanufactured

Roof Bolters

w/Chassis Lift Kits

MAR | 2009

Cylinder Retainer

Pin on Drill Canopy

DEC | 2008

Mast Feed

Cylinder Guard

NOV | 2008

Fletcher Machines

with Teach/Learn Radio Transmitter,

NO. 121274

JUL | 2008

Mast Feed

Cylinder Guard

NOV | 2008

(C)HDDR Operator

Drill Station Safety Enhancements

JAN | 2008

Revised Hydraulic Prints – Massey Machines Only

OCT | 2007

Boom Tool

Trays

JUN | 2007

Guard Between Chassis and

Dust Box

JUN | 2007

Boom Movement During Rotation with Adaptor

DEC | 2005

Feed Cylinder

Pin Retainer

Cap

APR | 2005

Drill Canopies for LTDO Roof Drills

MAR | 2004

Fatal Accident -

Proper Procedures

for Blocking

Moving Parts

JUN | 2003

Fatal Accident -

Fast Feed

DEC | 2002

Rock Deflector Canopy Guard

APR | 2001

Boom Swing

Hazard - RRII/DDO/

Roof Drills

DEC | 2000

Misuse of the

Platform Lift

FEB | 1996

Caterpillar tracks Rework

JAN | 1996

Offset Boom Arrangement

SEP | 1995

Hydraulic De-Energizing Actuator

OCT | 1994

Clevis Pin Retrofit Program - Phase 

Three

AUG | 1994

Pinch Point

Zone

APR | 1994

Pinch Point

Zone

MAR | 1994

Modification of

L-Style TRS

JAN | 1994

Clevis Pin Retrofit Program - Phase

One

JUN | 1993

Clevis Pin Retrofit Program - Phase

Two

NOV | 1993

Problem with Boom Swing Turntable on Model DD track Drills

SEP | 1986

Reinforcement of Single Beam ATRS System

AUG | 1986

Cap Screw Problem

on DDO & DDJ

Front Lift Anchors

N | A

Replacement of

45313 Boom Roller Assembly 

N | A

Front End Plate

Weld Failures

N | A

Pantograph

Sprocket Guard

DEC | 1979

Improvements in

Front End Lift

System

JUL | 1984

Safety Chains For H Style ATRS Roof Support Beam Assembly

JUN | 1984

Orifice Retrofit

Kit

N | A

Strip Switch

Program

MAR | 1983

You may find more bulletins pertaining to coal roof bolters in the All Models/Specific Machine category.

Coal Roof Bolter Bulletins

BULLETINS FOR COAL

ROOF BOLTERS