WORKMASTER GO-A8-PW Manual
GO-
A
8-PW Gate Opener
OPERATOR's GUIDE
WE FIND A WAY
—
OR MAKE ONE !
WORKMASTER disclaims any liability for injuries, death or damages arising directly or
indirectly, from the use, operation or application of this product not in accordance with
the procedures, specifications and recommendations contained in this owner’s manual.
The user of this product is responsible to install, maintain and operate the product and
parts or components manufactured or supplied by WORKMASTER in such a manner as to
comply with all federal, state and local rules, ordinances, regulations and laws, including
the Williams-Steiger Occupational Safety Act, and the American National Standards
Institute Safety Code.
PH: 866.476.9217
SYMBOLS
The following symbols are found throughout this Operator's Guide to alert the reader to
the relative danger that may result from non-observance.
This indicates a situation in which a hazard is
imminent and will result in a high probability of
serious injury or death.
This indicates a potentially hazardous
situation, which could result in minor to
moderate injury.
T
his symbol indicates a
g
eneral statement
to assist the user in the operation or
maintenance of the equipment.
IMPORTANT
This indicates a potentially hazardous
situation or unsafe practice which could result
in product or property damaged.
CAUTION
PH: 866.476.9217
TABLE OF CONTENTS
SECTION PAGE
I. Introduction 1
II. Safety 2
III. RequiredMaterials 2
IV. Specifications and Components 3
V. AirRequirements 9
VI. Pre-StartCheckList 10
VII. Lubrication 11
VIII. OpeningCarGates 13
IX. ClosingCarGates 16
X. Height Adjustment 18
XI. ExhaustDiverter 19
XII. Storage 20
XIII. Disassembling the Impactor 21
XIV. PartsInspection 23
XV. Reassembling the Impactor 27
XVI. Accessories 29
Appendix A Exploded View A-1
Appendix B Troubleshooting B-1
Appendix C Compressed Air System C-1
Appendix D Air Supply Piping D-1
Appendix E Lubricator Components E-1
PH: 866.476.9217
LIST OF FIGURES
FIGURE PAGE
Figure1ComponentLayout 4
Figure 2 Forward/Reverse Label 5
Figure3LockingPinLabel 7
Figure4ToggleSwitchLabel 8
Figure5Lubricator 12
Figure 6 Height Adjustment Specifications 18
Figure 7 Exhaust Diverter Positioning 19
LIST OF TABLES
TABLE PAGE
Table1TechnicalSpecifications 3
1
I. INTRODUCTION
Fast, safe and economical unloading of covered hopper cars continues to be a
problem at most unloading sites. One of the biggest contributors to this problem
is the often time-consuming and difficult job of opening and closing bottom gates
or doors of these hopper cars. Load compaction, weather conditions, age,
abuse, or corrosive or gritty bulk materials can combine to prevent gate
mechanisms from operating smoothly.
Regardless of cause, the costs associated with the problem are significant.
Delays in emptying the hopper cars means slow car turnaround, increased
demurrage costs, and interrupted production schedules. Even more importantly,
the chance of worker injury is high since at many unloading sites, clumsy or
dangerous makeshift tools are used during the “fight” to open a stubborn gate.
To meet our commitment of “WE FIND A WAY – OR MAKE ONE®”,
WORKMASTER has developed a line of Hopper Car Gate Openers and
accessories which provide a safe, efficient and economical solution to the
problem of opening easy, medium and hard-to-open hopper car gates.
There are pneumatic, electric and manual units available producing 1000 to
13000 ft. lbs. of torque to eliminate the need for "cheater” bars, sledge
hammers, jacks and other improper tools sometimes used on this difficult job.
This Operation/Maintenance Manual details the specifications, operation,
maintenance and safe use of the GO-A8 Pneumatic Hopper Car Gate Opener.
Experience has shown that the GO-A8 Opener will open the most difficult car
gates. However, the same experience demonstrates that total satisfaction in use
depends on attention to detail in operating and maintaining the unit.
A
ll persons involved in the operation and maintenance
of this equipment should be thoroughly familiar with
the contents of this manual.
IMPORTANT
2
II. SAFETY
To prevent injury to yourself or others, and/or damage to equipment, you should
adhere to the following basic safety instructions.
1. Read carefully the entire Operator's Guide prior to installing or
operating equipment.
2. Always follow proper precautions and use proper tools and safety
equipment.
3. Be sure to receive proper training.
4. Always use the equipment and all its components in applications for
which they are approved.
5. Be sure to assemble all components correctly.
6. Never use worn, defective or damaged components.
7. Practice good housekeeping at all times, and maintain good lighting
around all equipment.
8. Perform Lock-out/Tag-out procedure on all energy sources to the
equipment, mounting structure, loading and discharge systems in
accordance with ANSI Standards before installation or maintenance.
III. REQUIRED MATERIALS
The following items are not supplied with your WORKMASTER Gate Opener but
are necessary for its proper installation and operation.
CLEAN and DRY compressed air capable of supplying 114 CFM
@ 85 PSI
High-quality air hose: 1" ID, preferably fitted with a Universal
(Chicago type) coupling.
3
IV. SPECIFICATIONS AND COMPONENTS
To operate to GO-A8-PW effectively the user should be familiar with each of
the Gate Opener's components. See Figure 1 for a Component layout, and
Appendix A for a breakdown of the Impactor and the list of Part Numbers.
The GO-A8 Pneumatic Hopper Car Gate Opener consists of a heavy-duty
reversible impact motor, self-closing lever control mechanism and a Rolling Cart.
The GO-A8 Opener is portable, rugged and capable of operating in the toughest
environment. Under recommended operating conditions and with regular
maintenance, the GO-A8 Opener can generate up to 13000 ft./lbs. torque. The
Impact Motor is air driven and requires a source of clean, dry compressed air for
operation.
Every user should be aware of the technical specifications and operating
characteristics shown below in Table 1.
Table 1: Technical Specifications
CHARACTERISTICS GO-A8-PW
Length 33"
Width 42"
Height 45"
Weight 308 Lbs
Working Area Required 8 – 10 Ft Minimum – Site Specific
Free Speed 1500 RPM
Working Torque Range 1000 – 13000 Ft/Lbs
CFM/PSI Free Speed 150 @ 85 PSI
CFM/PSI Impacting 114 @ 85 PSI
Air Inlet 1" NPTF
Tire Size 400 x 8 Solid Polyurethane
Anvil Size 1-1/2"
Retainer Type Socket Pin w/ O-Ring
Hose Size 1" ID
Lubrication Air Tool Oil
4
Figure 1: Component Layout
(See pg 5 - 8 for details)
1 2
3
4
5
6
7
8
9 10
11
12
5
COMPONENT LAYOUT DESCRIPTIONS
(See Figure 1, pg 4)
1. AIR INLET
The air inlet is a 1" NPT opening with a full-port, Universal (Chicago type)
Coupling. The Coupling supplied is the recommended fitting for the
GO-A8. Replacing the Coupling with a quick-connect type plug will
restrict air flow to the Impactor.
2. FORWARD/REVERSE LEVER (F/R Lever)
The F/R Lever is a steel rod attached to a swivel joint providing a
universal type pivoting action. The rod, painted with enamel, has a
rubber, slip-on grip for control comfort. The F/R Lever controls the
direction of rotation of the Impactor's square drive anvil. A decal located
on the Cylinder Shield (Item 9) shows the position for clockwise anvil
rotation (3 O'clock position),and for counterclockwise anvil rotation (11
O'clock position). A label attached to the Cylinder Shield, See Figure 2,
shows these handle positions.
Figure 2: Forward/Reverse Label
CAUTION
RIGHT
3:00
LEFT
11:00
Directional Shaft Indicator
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