Page 1
Manual GRAIN CART MODEL O P E R A T O R ’ S M A N U A L J&M Manufacturing Co, Inc 284 Railroad Street - P.O. Box 547 | Fort Recovery, OH 45846 | Ph: (419) 375-2376 | Fax: (419) 375-2708 www.jm-inc.com...
Page 2
Stance Front Auger Side Opposite Auger Side Rear...
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: 620 Grain Cart Serial No: ________________________...
IMPORTANT Indicates that failure to observe can cause damage to equipment. NOTE Indicates helpful information Specifications and Dimensions SPECIFICATIONS Single Wheel Option Capacity 620 Bushels Auger, One Vertical 14” Unload Time (minutes) 3.7 Minutes Wheels 21x32 or 27x32 Tires 24.5x32, 30.5x32, or...
Decals ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Replace Immediately If Damaged or Missing KEEP OFF THE LADDER WHILE DO NOT ENTER GRAIN TANK WHEN THE MACHINE IS OPERATING, AUGER IS RUNNING. IN TRANSPORT OR THE UNLOADING AUGER IS IN MOTION DO NOT ENTER GRAIN TANK WHEN KEEP OFF THE LADDER WHILE THE MACHINE IS OPERATING,...
Page 7
GC JM0041058 DEALER OR MANUFACTURER IS NOT RESPONSIBLE FOR DAMAGE CAUSED BY LOOSE WHEEL NUTS. Description Part No. 17 620 Opposite Auger Side Stripe Kit JM0025939 18 620 Auger Side Stripe Kit JM0025938 19 Check PTO Overlap Decal JM0025435 20 Grain Cart Light Harness Decal (Standard Fold Carts)
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. 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 and Maintenance WARNING BE CERTAIN THAT ALL POWER IS SHUT OFF BEFORE SERVICING THE GRAIN CART. Before the grain cart is put into service: • Have the safety instructions been read and clearly understood by the operator(s) of this machine? •...
BE CERTAIN THAT ALL POWER IS SHUT OFF WHEN HOOKING UP TO TRACTOR OR CONNECTING HYDRAULIC LINES TO TRACTOR. Tractor requirements for proper towing: Model 620 grain carts require a minimum of 130 HP tractor. IMPORTANT: Do NOT pull a loaded grain cart on highway. For incidental highway travel, observe the section below.
Operating Instructions Attach the hydraulic lines to the tractor. Two hydraulic lines (green band) operate the inside gate mechanism. Connect these lines to one service outlet on the tractor. Two hydraulic lines (yellow band) operate the folding mechanism of the auger. Connect these lines to a second service outlet on the tractor.
Lubrication Service Schedule IMPORTANT: Your grain cart has grease fittings at all critical points. These should be serviced before the grain cart is put into operation. WARNING BE CERTAIN THAT ALL POWER IS SHUT OFF BEFORE SERVICING THE GRAIN CART PTO &...
Routine Maintenance WARNING BE CERTAIN ALL POWER IS SHUT OFF WHEN SERVICING THE GRAIN CART • 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.
Adjusting the Lower and Upper Flighting WARNING MAKE SURE THAT ALL POWER IS SHUT OFF BEFORE ADJUSTING THE FLIGHTING ASSEMBLY. LOWER FLIGHTING - If the drive-dog and hanger assembly are becoming excessively hot during unloading, the lower flighting and/or hanger may need adjusting. The hanger bushing assembly has elongated holes where it attaches to the outer tube assembly. Loosen the two 1/2”...
Removing Dirt from the Restrictors on the Hydraulic Cylinder WARNING MAKE SURE THAT ALL POWER IS SHUT OFF AND THE UPPER AUGER TUBE IS IN THE DOWN POSITION BEFORE REMOVING THE RESTRICTORS Remove restrictors from the 90 degree elbow on the tip spout hydraulic cylinder. Remove dirt from the fitting to allow hydraulic oil to flow through the restrictor.
130 Degree Gearbox Assembly - Superior Takes 24 ounces of SAE 80W-90 Gearbox Lubricant. Description Part No. Superior Gearbox Seal 1-3/8” (CR13569) (513569) JM0025086 Output Shaft for Superior Gearbox, 8-3/8” Long (14-16”) (H00111-02) JM0025079 Bearing Cup for Superior Gearbox (14-20”) (414276) JM0025077 Bearing Cone for Superior Gearbox (14-20”) (514137) JM0025078...
Hitch and Jack Assembly Description Part No. 1-1/4” Pin Adapter for Hitch (1 Adapter) JM0019032 1-1/2” Pin Adapter for Hitch (1 Adapter) JM0014203 Bolt On Spade Hitch with 2-1/4” Hourglass Pin Hole JM0017978 Tang with 4 Bolts (2-1/4” Hourglass Pin Hole) JM0017976 3/4”-16 x 3”...
Page 29
Hydraulic Hoses & Cylinders Description Part No. 2” x 36” Hydraulic Cylinder (JD236) JM0018523 Seal Kit for 2” x 36” Hydraulic Cylinder (JD472) JM0026544 1-3/4” x 4” Hydraulic Cylinder (1/2” Clevis and Tab Ends) (HC-FCS) JM0018564 Seal Kit for 1-3/4” x 4” Cylinder (SKHC-FCS) (JD459) JM0024892 1/4”...
Page 31
Hydraulic Hoses & Cylinders for Auto-Gate Shut-Off Description Part No. 2” x 36” Hydraulic Cylinder (JD236) JM0018523 Seal Kit for 2” x 36” Hydraulic Cylinder (JD472) JM0026544 1-3/4” x 4” Hydraulic Cylinder (1/2” Clevis and Tab Ends) (HC-FCS) JM0018564 Seal Kit for 1-3/4” x 4” Cylinder (SKHC-FCS) (JD459) JM0024892 1/4”...
Auto-Gate Shut-Off Assembly AUTO GATE ACTIVE Description Part No. 1/4”-20 x 3-1/2” Gr5 Z Hex Bolt JM0046621 1/4”-20 Gr5 Z SF Hex Nut JM0001630 Auto-Gate Hydraulic Valve JM0026247 1/2” Male ORB x 3/8” Female NPT Swivel; 90 Degree Elbow JM0027285 3/8”...
High Sideboard Brace End (620) JM0012738 High Sideboard (620) (TTE-620HS) JM0012689* *-R = Red 10 Sideboard Brace 135” (1012, 1112, 1412, 620, 1000-1151, 1401) JM0020624 11 Front Endboard (620) (TTE-620TF) JM0012690* *-B = Blue 12 3/8”-16 x 1” Gr5 Z SF Hex Bolt...
Page 37
27 1/4” x 2” x 23” Bar for Crank Holder (875 Bushel Carts and Lower) JM0029818 28 3/16” Cable x 158” (620) (316C-156) JM0024884 29 1-1/4” x 164” Roll Tube for Roll Tarp (620) (164RT) JM0024882 30 Tarp with Rivets (620) 12’10” x 13’6” (620T) JM0021374 31 1”...
Spring Return Assembly 11 12 Description Part No. 1/4”-20 Gr2 Z Centerlock Hex Nut JM0001505 Aluminum Spacer for Spring Return (1-3/8” x 2-3/16”) Rectangular JM0002445 1-1/4” Idler Pulley (1/4” ID) JM0002439 Large Spring Return Pully Spacer (2 Holes) JM0018897 1-5/8” Idler Pully (Long Spring Return) JM0012970 1/4”-20 x 1”...