J&M 250-7S User manual

OPERATORS MANUAL
J. & M. Mfg. Co., Inc.
284 Railroad Street - P.O. Box 547
Fort Recovery, OH 45846
Ph: [phone] Fax: [phone]
www.jm-inc.com
385
Rev. 4.17.2017
Gravity Wagon

2
Table of Contents
3......................................................To the Dealer
4-5 ....................................................General Information
6......................................................Specications
7......................................................Safety Rules
8-9 ....................................................Safety Signs
10-11 ..................................................Initial Operation & Maintenance
12-19 ..................................................Set Up Instructions
20 .....................................................Bleeding the Brake Lines
21 .....................................................Trail Adjustments
22-30 ..................................................Parts
Serial Number Location
Le Side
Right Side

3
To The Dealer
Read manual instructions and safety rules. Make sure all items on the Dealer’s Pre-Delivery and Delivery Check Lists are completed
before releasing equipment to the owner.
The dealer must complete the Warranty Registration found on the Dealer Portal website located at dealer.jm-inc.com and return
it to J. & M. Mfg. Co., Inc. at the address indicated on the form. Warranty claims will be denied if the Warranty Registration has not been
submitted.
EXPRESS WARRANTY:
J. & M. Mfg. Co. Inc. warrants against defects in construction or materials for a period of ONE year. We reserve the right to inspect
and decide whether material or construction was faulty or whether abuse or accident voids our guarantee.
Warranty service must be performed by a dealer or service center authorized by J. & M. Mfg. Co., Inc. to sell and/or service the type
of product involved, which will use only new or remanufactured parts or components furnished by J. & M. Mfg. Co., Inc. Warranty
service will be performed without charge to the purchaser for parts or labor based on the Warranty Labor Times schedule. Under no
circumstance will allowable labor times extend beyond the maximum hours indicated in theWarranty LaborTimes schedule for each
warranty procedure. The purchaser will be responsible, however, for any service call and/or transportation of the product to and
from the dealer or service center’s place of business, for any premium charged for overtime labor requested by the purchaser, and
for any service and/or maintenance not directly related to any defect covered under the warranty. Costs associated with equipment
rental, product down time, or product disposal are not warrantable and will not be accepted under any circumstance.
Each warranty term begins on the date of product delivery to the purchaser. Under no circumstance will warranty be approved
unless (i) the product warranty registration card has been properly completed and submitted to the equipment manufacturer, and
(ii) a warranty authorization number has been issued by the equipment manufacturer. This Warranty is eective only if the warranty
registration card is returned within 30 days of purchase.
This warranty does not cover a component which fails, malfunctions or is damaged as a result of (i) improper modication or
repair, (ii) accident, abuse or improper use, (iii) improper or insucient maintenance, or (iv) normal wear or tear. This warranty
does not cover products that are previously owned and extends solely to the original purchaser of the product. Should the original
purchaser sell or otherwise transfer this product to a third party, this implied, with respect to tires or other parts or accessories not
manufactured by J. & M. Mfg. Co., Inc. Warranties for these items, if any, are provided separately by their respective manufacturers.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS, IMPLIED OR STATUTORY, INCLUDING
ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE.
In no event shall J. & M. Mfg. Co., Inc. be liable for special, direct, incidental or consequential damages of any kind. The exclusive
remedy under this Warranty shall be repair or replacement of the defective component at J. & M. Mfg. Co., Inc’s. option. This is the
entire agreement between J. & M. Mfg. Co., Inc. and the Owner about warranty and no J. & M. Mfg. Co., Inc. employee or dealer is
authorized to make any additional warranty on behalf of J. & M. Mfg. Co., Inc.
The manufacturer reserves the right to make product design and material changes at any time without notice. They shall not incur
any obligation or liability to incorporate such changes and improvements in products previously sold to any customer, nor shall
they be obligated or liable for the replacement of previously sold products with products or parts incorporating such changes.
SERVICE:
The equipment you have purchased has been carefully manufactured to provide dependable and satisfactory use. Like all
mechanical products, it will require cleaning and maintenance. Lubricate the unit as specied. Observe all safety information in
this manual and safety signs on the equipment.
For service, your authorized J. & M. dealer has trained mechanics, genuine J. & M. service parts, and the necessary tools and
equipment to handle all your needs.
Use only genuine J. & M. service parts. Substitute parts may void warranty and may not meet standards required for safety and
satisfactory operation. Record the model number and serial number of your equipment in the spaces provided:
Model No: 385 Gravity Wagon Serial No: ________________________ Date of Purchase: ___________________
Purchased From: ________________________________________________________________________________
Provide this information to your dealer to obtain correct repair parts.

4
General Information
TO THE OWNER:
The purpose of this manual is to assist you in operating and maintaining your gravity wagon in a safe manner. Read it carefully. It
furnishes information and instructions that will help you achieve years of dependable performance and help maintain safe operating
conditions. If this machine is used by an employee or is loaned or rented, make certain that the operator(s), prior to operating:
1. Is instructed in safe and proper use.
2. Reviews and understands the manual(s) pertaining to this machine.
Throughout this manual, the term IMPORTANT is used to indicate that failure to observe can cause damage to equipment. The terms
CAUTION, WARNING and DANGER are used in conjunction with the Safety-Alert Symbol, (a triangle with an exclamation mark), to
indicate the degree of hazard for items of personal safety. When you see this symbol, carefully read the message that follows and be
alert to the possibility of personal injury or death.
DANGER
WARNING
CAUTION
This Safety-Alert symbol indicates a hazard and means
ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury,
and includes hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate injury.
Indicates that failure to observe can cause damage to equipment.
Indicates helpful information.
IMPORTANT
NOTE

5
General Information
BOLT TORQUE CHART
Always tighten hardware to these values unless a dierent torque or tightening procedure is listed for specic application.
Fasteners must always be replaced with the same grade as specied in the manual parts list.
Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for Metric hardware.
Make sure fastener threads are clean and you start thread engagement properly.
All torque values are given to specications used on hardware dened by SAE J1701 & J1701M (JUL 96)
A
A
SAE SERIES
TORQUE
CHART
METRIC SERIES
TORQUE
CHART
10.9
8.8
Diameter
(Inches)
AWrench
Size
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
7/16”
1/2”
9/16”
5/8”
3/4”
13/16”
15/16”
1-1/8”
1-5/16”
1-1/2”
6
12
23
36
55
78
110
192
306
467
8
17
31
48
75
106
149
261
416
634
10
19
35
55
85
121
170
297
474
722
13
26
47
75
115
164
230
403
642
979
14
27
49
78
120
171
240
420
669
1020
18
37
67
106
163
232
325
569
907
1383
MARKING ON HEAD
SAE 2 SAE 5 SAE 8
LBS.-FT. LBS.-FT. LBS.-FT.N-m N-m N-m
Diameter
&
(Millimeters)
Thread Pitch
6 x 1.0
8 x 1.25
10 x 1.5
12.1.75
14 x 2.0
16 x 2.0
18 x 2.5
20 x 2.5
22 x 2.5
24 x 3.0
30 x 3.0
10 mm
13 mm
16 mm
18 mm
21 mm
24 mm
27 mm
30 mm
34 mm
36 mm
46 mm
8
20
39
68
109
169
234
330
451
571
1175
6
15
29
50
80
125
172
244
332
421
867
11
27
54
94
151
234
323
457
623
790
1626
8
20
40
70
111
173
239
337
460
583
1199
8
21
41
75
118
181
263
367
495
623
1258
6
16
30
55
87
133
194
270
365
459
928
11
29
57
103
163
250
363
507
684
861
1740
8
22
42
76
120
184
268
374
505
635
1283
6 x 1.0
8 x 1.0
10 x 1.25
12.1.25
14 x 1.5
16 x 1.5
18 x 1.5
20 x 1.5
22 x 1.5
24 x 2.0
30 x 2.0
Metric 10.9Metric 8.8Metric 8.8 Metric 10.9
MARKING ON THREADMARKING ON THREAD
COARSE THREAD FINE THREAD
Wrench
Size
Diameter
&
(Millimeters)
Thread Pitch
Metric Bolt Head
Identication
SAE Bolt Head
Identication
Metric
Grade 8.8
Metric
Grade 10.9
SAE Grade 2
(No Dashes)
SAE Grade 5
3 Radial Dashes
SAE Grade 8
6 Radial Dashes
TIGHTENING WHEEL NUTS & TIRE PRESSURE
Standard 9/16” wheel bolts should be tightened to torque 190 Ft.-Lbs. during initial operation of the gravity wagon and then
checked for proper torque after every 10 hours of use. Failure to do so may damage wheel nut seats. Once seats are damaged, it
will become impossible to keep nuts tight. The correct tire pressure for the 325/65 R22.5 tire is 75 PSI and for the 385/65 R22.5 the
correct tire pressure is 70 PSI.

6
Specications
Wagon Specications
Capacity - Box*
Door Width
Chute Height
Hopper Construction
Understructure
Taillights
Front Ladder
Center Dump Deector
Capacity - Running Gear
Spindles
Wheels
Tires
Hydraulic Brakes
Weight (complete unit)
250-7S
165 Bushels
30”
15”
14 GA Steel
3”x 6”Runners
Standard
Standard
N/A
8 Ton
1 3/4”Diameter
15 x 8 - 6 Bolt
11L-15
N/A
1,760 lbs.
250-7SB
250 Bushels
30”
20”
14 GA Steel
3”x 6”Runners
Standard
Standard
N/A
10 Ton
2”Diameter
15 x 10 - 6 Bolt
12.5L-15
N/A
2,200 lbs.
385SD
385 Bushels
36”
17”
14 GA Steel
3”x 6”Runners
Standard
Standard
Optional
13 Ton
2 1/2”Diameter
22.5x8.25 or 22.5x13.5
- 8 Bolt
11-22.5 or 15-22.5
Opt. 2-Whl Drum
3,640 lbs.
440SD
540SD
440 or 540 Bushels
48”
Adjustable 14”to 19”
12 GA Steel
3”x 6”Runners
Standard
Standard
Optional
16 Ton
3”Diameter
22.5x13.5 - 8 Bolt
15-22.5 or 16.5-22.5
Optional 2-Whl Drum
4,850 lbs. or 5,250 lbs.
680SD
760SD
680 or 760 Bushels
48”
Adjustable 14”to 19”
12 GA Steel
3”x 6”Runners
Standard
Standard
Optional
24 Ton
3 3/8”Diameter
22.5x13 - 10 Bolt
16.5-22.5 or 18-22.5
Optional 4-Whl Drum
6,800 lbs. or 7,050 lbs.
250-7S
10’-3”
4’-9”
6’-7”
5’-8”
7’-4”
7’-3”
15’-7”
1’-5”
385SD
12’-4”
7’-2”
9’-2”
6’-10”
8’-7”
7’-10”
17’-11”
1’-3”
250-7SB
10’-3”
6’-0”
8’-4”
6’-2”
7’-9”
7’-3”
16’-0”
1’-7”
440SD
15’-0”
6’-9”
8’-11”
7’-4”
10’-4”
8’-4”
20’-8”
1’-3”
540SD
15’-0”
7’-10”
10’-0”
7’-4”
10’-4”
8’-4”
20’-8”
1’-3”
680SD
16’-6”
7’-11”
10’-2”
7’-8”
11’-2”
9’-6”
24’-0”
1’-5”
760SD
16’-6”
8’-7”
10’-10”
7’-8”
11’-2”
9’-6”
24’-0”
1’-5”
A
B
C
D
E
F
G
H

7
Safety Rules
ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
• Safety is a primary concern in the design and manufacture of our products. Unfortunately, our eorts to provide safe equipment
can be erased by an operator’s single careless act. In addition, hazard control and accident prevention are dependent upon the
awareness, concern, judgment, and proper training of personnel involved in the operation, transport, maintenance and storage
of equipment.
• Make certain that the operator(s), prior to operating is instructed in safe and proper use and reviews and understands the manual(s)
pertaining to this machine.
• Read this manual before you operate this machine. If you do not understand any part of this manual, or need more information,
contact the manufacturer or your authorized dealer.
1. Understand that your safety and the safety of other persons
are measured by how you service, and operate this machine. Know
the positions and functions of all controls before you try to operate
them. Make sure to check all controls in a safe area before starting
your work.
2. The safety information given in this manual does not replace safety
codes, federal, state or local laws. Make certain your machine has the
proper equipment as designated by local laws and regulations.
3. A frequent cause of personal injury or death is from persons falling
o equipment and being run over. Do not permit persons to ride on
this machine.
4. Travel speeds should be such that complete control and machine
stability is maintained at all times. Where possible, avoid operating
near ditches, embankments and holes. Reduce speed when turning,
crossing slopes and rough, slick or muddy surfaces.
5. Collision of high speed road trac and slow moving machines can
cause personal injury or death. On roads, use asher lights according
to local laws. Keep slow-moving-vehicle emblem visible. Pull over to let
faster trac pass.
6. Make sure that the implement is fastened securely to the tractor
/truck by using the proper hitch pin, clip and safety chains.
7. Before unhooking the implement from the towing unit, be sure
to properly block the wheels to prevent the implement from moving.
8. Never overload the wagon. Overloading the wagon is dangerous
and can cause extensive damage. Never add more sideboards to the
gravity box than what is recomended, as the box is not designed to
carry the additional weight. Do NOT exceed speeds in excess of 20 MPH.
Rim, hubs and bearings are designed for heavy loads at slow speeds.
Also be sure slow moving vehicle emblem is attached to the rear of the
wagon.
9. IMPORTANT: Use caution when transporting. Be alert of the
transport unit’s overall width when approaching obstacles, such as
post signs and poles, along the road. Check the transport width of
the unit to ensure clearance before entering bridges.
10. Do not allow anyone to stand between tongue or hitch and
towing vehicle when backing up.
11. Choose the most level route possible when transporting across
elds.
12. Never adjust, service, clean, or lubricate gravity box until all
power is shut o.
13. Keep all safety shields in place. Keep hands, feet, hair, and clothing
away from the moving parts while the unit is in operation.
14. The service ladder is for service work only. If you must climb into
the grain tank, be certain that all power is shut o and then use
extreme caution when climbing into the grain tank. Never allow
anyone in, near or on the gravity box during transporting or unload-
ing grain. Moving grain is dangerous and can cause entrapment,
resulting in severe injury or death by suocation.
15. Make sure that everyone is clear of equipment before applying
power or moving the machine.
14. COMPLY WITH ALL SAFETY WARNINGS AND CAUTIONS IN
THIS MANUAL AND IN THE COMBINE OPERATORS MANUAL
WARNING: BE SURE ALL LIGHTS ARE WORKING PROPERLY
BEFORE HIGHWAY TRAVEL.
SAFETY RULES

8
SpecicationsSafety Signs
ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
Replace Immediately If Damaged or Missing
CAUTION
FASTENBOX SECURELYTO WAGON GEAR.
KEEPAWAYFROM MOVING PARTS.
DONOT CLIMB INTO GRAVITYTANK.
BEFOREHIGHWAYTRAVEL, SECURE A
SLOW-MOVINGVEHICLE EMBLEM TO THE
REAROF THE BOX IN ACCORDANCE WITH
STATEANDLOCAL LAWS.
MAKESURE ALL FLASHER AND TURN
INDICATOR/BRAKELIGHTSARE WORKING
PROPERLYBEFOREINCIDENTAL HIGHWAY
TRAVEL.
CAUTION
FASTEN BOX SECURELY TO WAGON GEAR.
KEEP AWAY FROM MOVING PARTS.
DO NOT CLIMB INTO GRAVITY TANK.
BEFORE HIGHWAY TRAVEL, SECURE A
SLOW-MOVING VEHICLE EMBLEM TO THE
REAR OF THE BOX IN ACCORDANCE WITH
STATE AND LOCAL LAWS.
MAKE SURE ALL FLASHER AND TURN
INDICATOR/BRAKE LIGHTS ARE WORKING
PROPERLY BEFORE INCIDENTAL HIGHWAY
TRAVEL.

9
Description Part. No.
www.jm-inc.com JM0019239
Orange Reector JM0009944
Red Reector JM0009945
Yellow Reector JM0009946
Keep Lug Nuts Tightened JM0010150
J&M Large JM0015151
Caution Tighten Lug Nuts Paint JM0019220
Caution Check Fluid Level JM0019229
Check Tire Ination JM0018041
Check All Wheel Nuts JM0018043
Danger Flowing Grain Traps JM0019223
Caution Fasten Box Securely JM0019228
Gravity Wagon Model Number JM0019236
J&M Oval Small JM0010179
Running Gear Model Number JM0019238
SpecicationsSafety Signs
CAUTION
FASTENBOX SECURELYTO WAGON GEAR.
KEEPAWAYFROM MOVING PARTS.
DONOT CLIMB INTO GRAVITYTANK.
BEFOREHIGHWAYTRAVEL, SECURE A
SLOW-MOVINGVEHICLE EMBLEM TO THE
REAROF THE BOX IN ACCORDANCE WITH
STATEANDLOCAL LAWS.
MAKESURE ALL FLASHER AND TURN
INDICATOR/BRAKELIGHTSARE WORKING
PROPERLYBEFOREINCIDENTAL HIGHWAY
TRAVEL.
CAUTION
FASTEN BOX SECURELY TO WAGON GEAR.
KEEP AWAY FROM MOVING PARTS.
DO NOT CLIMB INTO GRAVITY TANK.
BEFORE HIGHWAY TRAVEL, SECURE A
SLOW-MOVING VEHICLE EMBLEM TO THE
REAR OF THE BOX IN ACCORDANCE WITH
STATE AND LOCAL LAWS.
MAKE SURE ALL FLASHER AND TURN
INDICATOR/BRAKE LIGHTS ARE WORKING
PROPERLY BEFORE INCIDENTAL HIGHWAY
TRAVEL.

10
Initial Operation / Maintenance
WARNING BE CERTAIN THAT ALL POWER IS SHUT OFF BEFORE SERVICING THE GRAVITY BOX.
Before the gravity box is put into service:
Has the track assembly (opens door) been lubricated for less wear on the sprocket and track and for easier door operation.
Has the SMV (Slow Moving Vehicle) Emblem been positioned with a point of the triangle upward and as near to the rear and
centered or as near to the left of center of the unit as practicable? Is it located two to ten feet above the ground measured
from the lower edge of the emblem?
Has the gravity box been properly attached to the running gear? If no rocking bolster is used, bolt all four corners (use 1/2”
bolts provided) of the gravity box runners to the running gear. (If the box is used in rough terrain, bolt a minimum of two
corners and chain (or cable) the remaining corners to allow more box exibility.
Have all braces, bolts, nuts, lug bolts, and lug nuts been checked to ensure that they are properly fastened?
Have the safety instructions been read and clearly understood by the operator(s) of this machine.
Do the lights work properly? Are all reective decals clean and visible? Are they positioned correctly?
Are the tires properly inated?
BRAKING SYSTEM REQUIREMENTS
WARNING Tow Loads Safely
Stopping distance increases with speed and weight of towed loads, and on slopes. Towed loads with or without brakes that
are too heavy for the tractor or are too fast can cause loss of control. Consider the total weight of the equipment and its load.
For towed equipment WITHOUT brakes, the following is recommended:
Do NOT tow equipment that does not have brakes at speeds over 20 mph (32 km/h); or that, when fully loaded, has a mass
(weight) over 1.5t (3300 lb) and more than 1.5 times the mass (weight) of the towing unit.
For towed equipment WITH brakes, the following is recommended:
Do NOT tow equipment that has brakes at speeds over 25 mph (40 km/h) ; or that, when fully loaded, has a mass (weight)
more that 4.5 times the mass (weight) of the towing unit.
Ensure the load does not exceed the recommended weight ratio. Use additional caution when towing loads under adverse
conditions, when turning and on inclines.
WARNING
Before lling the gravity box, make certain that no one is inside the grain tank. Never allow children or anyone in, near, or on
the gravity box during transport or during loading or unloading of grain. Be aware that moving grain is dangerous and can
cause entrapment, resulting in severe injury or death by suocation.
After hauling corrosive materials such as fertilizers, be sure to wash out the grain tank to prevent premature rusting. Bare
spots on metal should be primer coated before applying the outer surface paint.
Check the box periodically for cracks in welds and for other structural damage. Have cracked welds fixed immediately.
Failure to do so could result in extensive damage and greatly reduce the life of the gravity box.

11
Operations/ Maintenance
IMPORTANT: Keep the tires properly inated. Both under ination and over ination can greatly reduce tire life.
• Inspect bracing and welds and repair if needed. Failure to repair could cause extensive damage and greatly reduce the life of
the unit.
• Inspect tie rods and replace the bronze bushings in the steering assembly when needed.
• Repack the bearings in the hub assembly once a year or as needed. Use a good quality LS EP2 Severe Duty, High Shock Load,
Lithium based grease.
NOTE: Grease zerks on hub caps are for between scheduled service lubrication.
• If equipped with brakes, inspect the drums periodically for wear and for brake line damage. Check uid in the master cylinder
and inspect for dirt or corrosion on the inside wall of the master cylinder. Clean and replace with new Silicone Brake Fluid
(DOT 5) if needed. Wagons with brakes should be stores in a clean, dry place when not in use.
ADJUSTING THE DRUM BRAKES
IMPORTANT: When adjusting drum brakes, rotate the wheel and drum in a forward rotation only.
• The brake adjustment nut is located behind a slot at the bottom of the backing plate. Tighten the nut until you cannot rotate
the wheel by hand, then back o the adjustment 18 to 20 notches.

12
For NON Divider Gravity Wagons
• Using (2) 1/2”x 6”J-bolts and (4) 1/2” hex nuts
install the Reinforcing Chain Assembly.
NOTE: The chain should not have slack but
it should not be so tight that it pulls in the
sides of the Gravity Wagon.
• Attach one of the long sideboards to the left
side of the Wagon using (4) 3/8”x 1” SF bolts
and SF nuts. Repeat for the right side. Now us-
ing (2) 3/8” x 1” SF bolts and SF nuts attach the
front and rear sideboards.
• Attach the Center Sidebrace to the left and right
side boards using (4) 3/8”x 1” SF bolts, (4) 1/2” x
2-1/4” Flat Washers, and (4) 3/8” SF nuts. (Figure
1)
Set Up Instructions
NOTE: The left and right side of the Gravity Wagon is determined by standing behind and facing the rear of the wagon.
Sideboards
Inspection Window
• Install the Oval Window Grommets in the window cutouts of the Gravity Wagon. When installed properly the thicker part of the
Oval Window Grommet will be on the inside of the Wagon.
• Insert the Oval Window into the Oval Window Grommet.
• Attach the Inside and Outside Window Brace using (2) 3/8”x 3/4” hex bolts and Lock nuts.
• Repeat for other Window Braces.
Complete Door Wheel Assembly
• For 2015 and older wagons ONLY, when attaching the Complete Door Wheel Assembly
to the wagon use a 1/2”x 2-1/4” Flat Washers in-between the wagon and Complete
Wheel Assembly.
• Attach the Complete Wheel Assembly(s) to the wagon and the Door(s) using (4) 3/8” x 1”
SF bolts and SF nuts.
NOTE: Do Not tighten any of the nuts and bolts until all of the corners are attached.
For Divider Gravity Wagons
• Using (4) 3/8” x 1” SF bolts and nuts, attach
the Center Divider Board to the center of the
Gravity Wagon.
• Attach the Divider Board Mounting Brackets to
the Center Divider Board using (4) 3/8” x 1” SF
bolts and nuts.
• Attach one of the long sideboards to the left
side of the Wagon using (4) 3/8”x 1” SF bolts
and SF nuts. Repeat for the right side. Now us-
ing (2) 3/8” x 1” SF bolts and SF nuts attach the
front and rear sideboards.
• Attach the Center Divider Board to the left and
right side boards using (4) 3/8”x 1” SF bolts, (4)
1/2” x 2-1/4” Flat Washers, and (4) 3/8”SF nuts.
(Figure 1)
3/8” x 1” SF bolt & 1/2” x 2-1/4” Flat Washer
Figure 1

13
Ladder
• Attach the ladder to the front of the wagon using (4) 3/8” x 1” SF bolts and SF nuts.
Rocking Bolsters
• Attach the Rear Channel Mount to the back of the running gear using (4) 1/2”x 5-1/2” bolts, (4) 1/2” lock nuts, and (8) 1/2” at
washers.
• Attach the Lower Rocking Bolster Mount to the front of the running gear using (2) 1/2”x 5-1/2” bolts, (2) 1/2” lock nuts, and (4)
1/2” at washers through the two outside holes.
• Using (4) 1/2” x 5-1/2” hex bolts, (4) 1/2” lock nuts, and (8) 1/2”at washers attach the Upper Rocking Bolster Mount to the
front of the Gravity Wagon.
• Lower the Gravity Wagon onto the Running Gear.
• In the front of the Gravity Wagon attach the U-Straps using (2) 1/2” x 6” bolts, (2) 1/2”lock nuts, and (4) 1/2” at washers.
NOTE: Do Not over tighten the U-Straps, they should move freely.
• In the rear of the Gravity Wagon attach the Rear Channel Mount using (4) 1/2”x 5-1/2” bolts, (4) 1/2” lock nuts, and (8) 1/2” at
washers.
Backing Plate
Side Board Corner
Corners
• Bolt sideboard between sideboard corner and backing plate using (6) 3/8”x 1” SF bolts and SF nuts. (Figure 2)
• Now tighten all of the nuts and bolts.
Rear
Rear Channel Mount
1/2” lock nut & 1/2 at washer
5-1/2” x 1/2” hex bolt
6” x 1/2”hex bolt
Front
Set Up Instructions
Figure 2
Figure 3 Figure 4

14
Set Up Instructions
Optional Center Dump Chute
• Position and secure the Side Dump Chute in the transport position. Locate the Side Plates on the left and right sides of the
door. There are two pre-drilled holes located on each plate. Attach the ears on each side of the Center Dump Chute to the
outward most pre-drilled hole on the side plate using one 3/8”hex bolt, washer and lock nut. Insert the S-hook of the center
dump chute chain into the inward most hole on each Side Plate. (Figure 5)
Lights
• Mount a Pig Tail Assembly on the back of the Gravity Wagon Using (2) 1-1/2” self tapping screws. (Figure 6)
• Attach the Wire Harness Storage Bracket and a Pig Tail Assembly to the front of the Gravity Wagon using (2) 1-1/2” self tapping
screws as shown in (Figure 7)
Chute
• Attach the chute to the Gravity Wagon using (2) 3/4” x 1” hex bolts and (2) lock nuts.
NOTE: Do Not over tighten the bolts, the chute should move freely.
Rear Front
Pig Tail Assembly
Pig Tail Assembly
Light Cord Holder
3/8” hex bolt
Figure 6 Figure 7
Figure 5

15
Set Up Instructions
• Route the 7-Wire Connector End of the Main Harness through the Rear Pig Tail Assembly and secure the 7-Wire Nose Box to
the Rear Angle Bracket using (2) 1/4” x 1” carriage bolt and ange nut. (Figure 6)
• Pull the 7-Wire Connector End through left-hand steel runner and through the Front Pig Tail Assembly. Install the Plastic
Grommet on the Front Pig Tail Assembly. (Figures 7 & 8)
• Mount Red and Amber lights onto the rear legs using (4) 10-24 x 3/4”slotted hex washer head machine screws and (4) 10-24
serrated ange nuts. Attach the Wire Guard using (2) 10-24 serrated ange nuts.
• Connect Light Wiring Harness to the Light Enhancer and the red and amber lights on the rear leg above. To connect the
opposite side red and amber lights, run the Light Wiring Harness along the gravity box bracing connecting the steel runners.
Secure the Light Wiring Harness using the three Wire Loom Clamps and 1-1/2”Self Tapping Screws.
• Connect Main Wiring Harness to the Light Enhancer.
• Attach Flood Light to Gravity Wagon using the provided hardware. (Figure 8)
• Run Black and White wires to Flood Light and make connections.
• Test Lights.
• Store the Light Enhancer and the slack in the Main Wiring Harness in the conduit or steel runner.
Flood Light
Figure 8

16
Manual Storage Container
• Mount the Operator’s Manual Storage Container to the outside face of the front leg using a 1/4”x 1” bolt and a 1/4” ange nut
to the hole highlighted in gure 9.
• Drill a 9/32” hole through the hole highlighted in gure 10.
• Mount the Operator’s Manual Storage Container using a 1/4”x 1” bolt and a 1/4” ange nut.
Set Up Instructions
Figure 9 Figure 10

17
Set Up Instructions
IMPORTANT: Set-up work must be preformed by qualied servicemen only.
• Mounttiresonthewheelsandinflatethe325/65 R22.5 tires to 75 PSI or for 385/65 R22.5 tires the correct pressure is 70 PSI.
• Mount the wheels to the hubs and tighten the at hub nuts to 190 ft. lb. torque.
NOTE: Check the hub nuts after the rst hour of operation, then every 10 hours of operation for the rst 40 hours
of use. These nuts must be kept tight at all times. Wheels that are improperly installed on the running gear,
resulting in product failure, will nullify the warranty and shift the burden of liability to the owner/operator of
the equipment.
• Slide the coupling pole into the front and back assemblies, slipping the collar in the back assembly. The distance between the
holes of the Front and Rear Running Gears should be approximately 24”. (Figure 1)
• Insert (2) 3/4” x 6” hex bolts and 3/4” center lock nuts in to the Coupling Pole.
NOTE: Do not over tighten the Bolts. You should still be able to spin the bolts when tightened.
• Fasten the tongue to the front of the assembly using a 1-1/4”x 9-1/2”King Pin, (2) 1-1/4”Hex Nuts and a 1-1/4” Flat Washer. (Figure 2)
Note: Make sure that the King Pin is inserted so the square top of the King Pin rest against the Flat Bolt Keeper.
Fig. 1
Fig. 2
Coupling Pole
3/4” x 6” hex bolts
3/4” center lock nuts
Collar
Flat Bolt Keeper

18
13 Ton Running Gear With Optional Brakes
• Mount the brakes lines from the rear of the master cylinder to the Drum Brakes. Be careful not to over tighten the ttings and strip
the threads. Use care in shaping brake lines to avoid sharp bends or kinks. Be sure to use a“Double-Flaring”type of tool on steel
tubing to assure tight leak proof connections. Be sure and use hydraulic rubber hoses at points of exing. Anchor hose ends to avoid
stress on tubing. (Figure 3)
Fig. 3
96” x 3/16”
Tee Connector
53” x 3/16”
1/4”x 25” Rubber Hose
• Using (6) 8”zip ties to secure the brake line to the rear A frame, and use (4) 24” zip ties to secure the brake line to the front A frame
and coupling pole. Attach the rubber hose to the A frame using (2) 1/4”x 3/4”self tapping screw and cable clamp. (Figure 4)
8” Zip Tie
24” Zip tie
Fig. 4

19
13 Ton Running Gear With Optional Brakes
# Description Part. No
1 Drum Cluster Left (includes wheel cylinder)(DRBA-L) JM0027922
1 Drum Cluster Right (includes wheel cylinder)(DRBA-R) JM0027931
2 Brake Drum JM0027928
Brake Line Tee JM0027967

20
Specications
Bleeding The Brake Lines
METHOD ONE (requires two people)
Close all bleed screws.
Start with the wheel furthest from the master cylinder. Slip a transparent bleed hose on the bleeder stem and place the other end
of the hose in a clean container which is partially lled with uid at all times.
The rst person depresses the brake plunger SLOWLY (take 3-5 seconds). THEN the second person opens the bleed screw. He then
closes the bleed screw BEFORE the rst person SLOWLY releases the plunger (3-5 seconds). Continue until there is no evidence of
air in the bleed hose. Continue with remaining wheels working from the longest to the shortest distance from the master cylinder.
Top o master cylinder as needed to prevent reintroducing air into the lines.
IMPORTANT:
1) Depress plunger slowly
2) Open bleed screw
3) Close bleed screw
4) Release plunger slowly
METHOD TWO (one person)
Attach bleed hose to rear wheel as in method one. Open bleed screw. SLOWLY depress plunger (3-5 seconds). Repeat until line is
air free. Close bleed screw. Top o master cylinder as needed to prevent reintroducing air into the lines.
Repeat with remaining wheels.
DANGER: Contamination with dirt, water, petroleum products or other materials may result in brake failure or costly repairs.
1) Remove the shield. Use a 9/16” wrench to remove the (2) 3/8” x 1” serrated hex head bolts from shield.
2) Loosen the 1/2”nut on the plunger pin. Use a 3/4” wrench.
3) Rotate the plunger rod to adjust.
- For more aggressive braking action turn the plunger rod counterclockwise. (This will lengthen the assembly)
- For less aggressive braking action turn the plunger rod clockwise. (This will shorten the assembly)
DANGER: Do not adjust all the“Play” out of the plunger system. This will cause the brakes to be activated at all times and
over heat the drums causing failure.
NOTE: This braking system is to assist the pull vehicle in the braking mode, not to take the place of it.
The braking plunger system should have approximately a 1/4” of“play” when adjusted for level road travel.
4) Tighten the 1/2” hex nut to keep plunger rod in place.
5) Put the shield back on and tighten both 3/8” x 1” SF hex bolts.
Adjusting the Brake Master Cylinder