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GENERAL INFORMATION
1. Unless otherwise specified, high-strength (grade5)
(3 radial-line head markings) hex head bolts are used
throughout assembly of this piece of equipment.
2. Whenever terms “LEFT” and “RIGHT” are used in
this manual it means from a position behind wagon
box and facing forward.
3. When placing a parts order, refer to this manual for
proper part numbers and place order by PART NO.
and DESCRIPTION.
4. Read assembly instructions carefully. Study
assembly procedures and all illustrations before
you begin assembly. Note which parts are used in
each step. This unit must be assembled in proper
sequence or complications will result.
WARNING:
To AvoId PeRsoNAl INjuRy oR deATh, obseRve folloWING
INsTRucTIoNs:
Never overload wagon. Do not exceed the rating of the gear or load rating of the tires, whichever
is less.
Ensure that anybody present is clear before applying power to any machinery used in conjunction
with wagon box or when moving box.
Never allow anyone in, near, or on gravity box during transporting or unloading of grain.
Moving grain is dangerous and can cause entrapment, resulting in severe injury or death by
suffocation.
Do not exceed 20 miles per hour when towing wagon.
Thank you for purchasing a Demco Gravity Flow Wagon. We feel you have made a wise choice and hope you are
completely satisfied with your new piece of equipment. Proper care and use will result in many years of service.
INTRoducTIoN
WARRANTy PolIcy, oPeRAToR MANuAls & ReGIsTRATIoN
Go online to www.demco-products.com to review Demco warranty policies, operator manuals and register your Demco product.
Table of Contents
General Information & Table of Contents ............................................................................ 2
Safety, Signal Words ........................................................................................................... 3
Equipment Safety Guidelines, Lighting and Marking .......................................................... 4
Safety Sign Care ................................................................................................................. 4
Tire Safety ........................................................................................................................... 5
Before Operation ................................................................................................................. 5
During Operation ................................................................................................................5-6
Following Operation ............................................................................................................ 6
Highway and Transport Operations ....................................................................................6-7
Performing Maintenance ..................................................................................................... 7
Safety Sign Locations ......................................................................................................... 8
Bolt Torque .......................................................................................................................... 9
Running Gear Parts Breakdown ........................................................................................ 10
Running Gear Parts List and Assembly Instructions .......................................................... 11
Brake Tongue Maintenance and Adjustment ...................................................................... 12
Brake Tongue Parts Breakdown and Parts List .................................................................. 13
13” Brake Cluster Parts Breakdown and Parts List ............................................................ 14
Running Gear Brake Line Parts Breakdown and Assembly Instructions ........................... 15
Brake System Maintenance and Repair ...........................................................................16-17
Gravity Flow Box Parts Breakdown .................................................................................... 18
Gravity Flow Box Assembly Instructions and Parts List ..................................................... 19
Door Lift Assembly Breakdown .......................................................................................... 20
Maintenance and General Operation ................................................................................. 20
Gravity Box to Running Gear ............................................................................................. 21
Gravity Flow Lighting Parts Breakdown, Parts List, and Wiring Schematic........................ 22
Fender Assembly and Parts Breakdown ..........................................................................23-24
Summary of Contents for Gravity Flow 550
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