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.
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.
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General Information BOLT TORQUE CHART Always tighten hardware to these values unless a different torque or tightening procedure is listed for specific application. Fasteners must always be replaced with the same grade as specified 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.
Safety Rules ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! • Safety is a primary concern in the design and manufacture of our products. Unfortunately, our efforts 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.
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?
Lubrication Service Schedule IMPORTANT: Your Gravity Wagon has grease fittings at all critical points. These should be serviced before the Gravity Wagon is put into operation each season. IMPORTANT: Your Gravity Wagon is equipped Oil Bath Hubs that should be flushed once a year. Follow the steps below: HOW TO FLUSH THE OLD OIL OUT OF THE OIL BATH HUBS Before you begin check the hub for leaks and wear.
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 filled with fluid at all times. The first person depresses the brake plunger SLOWLY (take 3-5 seconds).
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Gravity Wagon Trail Adjustment • Keep tongue bolt tightened. The tongue bolt should be as tight as possible without over restricting the vertical motion of the hitch. • An extra washer (shown below) can be added if the nut is tightened so far that it runs out of threads before the tongue bolt is as tight as possible.
Adjusting Running Gear Toe-In • Locate the tongue in the straight and horizontal position. Check this by measuring both “L1” locations. Once both locations are the same length, move onto the next step. • Measure both “L2” locations. Adjust both tie-rods to assure both measurments are equal, if necessary. •...
Specifications Safety Signs ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged or Missing IMPORTANT: Install new safety signs if the old signs are destroyed, lost, painted over or cannot be read. When parts are replaced that have safety signs, make sure you install a new sign with each new part. New signs are available from the manufacturer or your authorized dealer.
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Specifications Safety Signs 550+ Bushel Capacity 550+ Bushel Capacity 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.
JM0002152 55 Series, Fender JM0033393 3/8”-16 x 1” Gr5 Z SF Hex Bolt JM0002092 10 Front Upper Left Fender Bracket (55 Series) JM0033395 11 Front Upper Right Fender Bracket (55 Series) JM0033435 12 Front Lower Right Fender Bracket (455, 555)
Roll Tarp Description Part. No. 455/555 Front Face Plate JM0033224 Tarp Nylon Riser (TNR1) JM0000196 455/555 Endcap Front (Top) JM0033227 1/4”-20 x 1/2” Gr5 Z Hex Bolt (1412-HB) JM0001481 1/4”-20 Gr5 Z Serrated Flange Hex Nut JM0001630 1/4”-20 x 5/8” Gr5 Z Hex Bolt (1458-HB) JM0001479 455/555 Endcap Rear (Top) JM0033233...
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Roll Tarp Rear Endcap Front Endcap Crank Handle Holder Tarp Stand-Off Crank Handle U-Joint Bow Support Tarp Assembly...
13” Brake Assembly for 16 Ton Running Gear Description Part. No Drum Cluster Left (includes wheel cylinder)(DRBA-L) JM0027922 Drum Cluster Right (includes wheel cylinder)(DRBA-R) JM0027931 Brake Drum (109800) JM0028434 Wheel Cylinder Left (9777) JM0027939 Note: There are Left & Right Wheel Cylinder Right (9776) JM0027938 assemblies available.