O P E R A T O R’ S M A N U A L
Revision 3/12/13
J. & M. MFG. Co., Inc.
P.O. Box 547 Ft. Recovery, OH 45846
PH: (419) 375-2708
www.jm-inc.com
STEP - 1
GC15t-1 Gravity WaGon assembly
Install both Dumpside Corner Panels. Use (3) 8.8 M10 x 25 MM serrated ange hex head bolts
and (3) M10 serrated ange hex head nuts to attach the panels to the shell.
STEP - 2
Install the Dumpside Front Bottom Panel. Use (12) 8.8 M10 x 25 MM serrated ange hex head
bolts and (12) M10 serrated ange hex head nuts to attach the panel to the shell body.
-2-
STEP - 3
GC15t-1 Gravity WaGon assembly
Install the Dumpside Rear Bottom Panel. Use (17) 8.8 M10 x 25 MM serrated ange hex head
bolts and (17) 8.8 M10 serrated ange hex head nuts to attach the panel to the shell body.
STEP - 4
Install the Rear Bottom Panel. Use (17) 8.8 M10 x 25 MM serrated ange hex head bolts and (17)
8.8 M10 serrated ange hex head nuts to attach the panel to the shell body. Do not install a bolt
into the hole that is encircled.
-3-
STEP - 5
GC15t-1 Gravity WaGon assembly
Install the Dumpside Rear Corner. Use (11) 8.8 M10 x 25 MM serrated ange hex head bolts and
(11) M10 serrated ange hex head nuts to attach the corner to the shell body.
STEP - 6
Install the Opposite Front Bottom Panel. Use (17) 8.8 M10 x 25 MM serrated ange hex head bolts
and (17) M10 serrated ange hex head nuts to attach the panel to the shell body. Do not install a
bolt into the hole that is encircled.
-4-
STEP - 7
GC15t-1 Gravity WaGon assembly
Install the Dumpside Front Corner. Use (11) 8.8 M10 x 25 MM serrated ange hex head bolts and
(11) M10 serrated ange hex head nuts to attach the corner to the shell body.
STEP - 8
Install the Opposite Dumpside Front Bottom Panel. Use (13) 8.8 M10 x 25 MM serrated ange
hex head bolts and (13) M10 serrated ange hex head nuts to attach the corner to the shell body.
Do not install a bolt into the holes that are encircled.
-5-
STEP - 9
GC15t-1 Gravity WaGon assembly
M12 x 25MM
M12 x 25MM
Install the Opposite Dumpside Front Corner and the Front Corner Gusset. Use (16) 8.8 M10 x
25 MM serrated ange hex head bolts and (16) M10 serrated ange hex head nuts to attach the
corner and gusset to the shell body. Use (2) 8.8 M12 serrated ange hex head bolts and (2) M12
STEP - 10
serrated ange hex head nuts to nish attaching the gusset to the shell body.
Install the Opposite Dumpside Rear Bottom Panel. Use (20) 8.8 M10 x 25 MM serrated ange hex
head bolts and (20) M10 serrated ange hex head nuts to attach the panel to the shell body. Do
not install a bolt into the holes that are encircled.
-6-
STEP - 11
GC15t-1 Gravity WaGon assembly
M12 x 25MM
M12 x 25MM
Install the Opposite Dumpside Rear Corner and the Rear Corner Gusset. Use (16) 8.8 M10 x
25 MM serrated ange hex head bolts and (16) M10 serrated ange hex head nuts to attach the
corner and gusset to the shell body. Use (2) 8.8 M12 serrated ange hex head bolts and (2) M12
STEP - 12
serrated ange hex head nuts to nish attaching the gusset to the shell body.
Tighten all of the bolts circled in the image above.
-7-
STEP - 13
GC15t-1 Gravity WaGon assembly
Install the Front and Rear Valleys. Use (16) 8.8 M10 x 25 MM serrated ange hex head bolts and
(16) M10 serrated ange hex head nuts to attach the valleys to the shell body.
STEP - 14
Install all four Sideboards. Use (32) 8.8 M10 x 25 MM serrated ange hex head bolts and (32) M10
serrated ange hex head nuts to attach the sideboards to the shell body.
-8-
STEP - 15
GC15t-1 Gravity WaGon assembly
Install all three Inside Braces. Use (12) 8.8 M10 x 25 MM serrated ange hex head bolts, (12) M10
serrated ange hex head nuts, and (12) M10 washers to attach the braces to the shell body.
STEP - 16
58.10 CM
60.32 CM
89.69 CM
Install the Ladder. Using the given dimensions, drill two thru holes with an M10 bit. Once the
holes are drilled attach the ladder to the shell using (2) 8.8 M10 serrated ange hex head bolts and
(2) M10 serrated ange hex head bolts. Now using the bottom two holes as guides, drill two more
holes. Once the holes are drilled, nish installing the ladder by lling the last two holes with (2)
8.8 M10 serrated ange hex head bolts and (2) M10 serrated ange hex head bolts.
-9-
STEP - 17
GC15t-1 Gravity WaGon assembly
Install all four Window assemblies. Use (8) 8.8 M10 x 25 MM serrated ange hex head bolts and
(8) M10 serrated ange hex head nuts, (4) oval windows, (4) oval window grommets, (4) inside
window clips, and (4) outside window clips to install the windows. e windows that are located
STEP - 18
on the sideboards do not get clips.
Install the Rack assembly. Use (4) 8.8 M10 x 25 MM serrated ange hex head bolts and (4) M10
serrated ange hex head nuts to attach the Rack to the shell body.
-10-
STEP - 19
Install the Rack Track Assembly. Slide the Track up through the opening in the door, then turn the
Rack once the Track meets the gears on the Rack. Use (2) 8.8 M10 x 25 MM serrated ange hex
head bolts and (2) M10 serrated ange hex head nuts to attach the Rack Track to the slide gate.
GC15t-1 Gravity WaGon assembly
Once the Rack Track is assembled tighten all hardware on the gravity wagon.
STEP - 20
Install the Chute Guides. Use (4) 8.8 M10 x 25 MM serrated ange hex head bolts and (4) M10
serrated ange hex head nuts to attach the Rack to the shell body. Place (3) washers in-between
the chute and shell per bolt for the top hole on each chute. Place (2) washers in-between the chute
and shell per bolt for the bottom hole on each chute.
-11-
STEP - 21
GC15t-1 Gravity WaGon assembly
Install the Chute. Use (2) zinc plated snap rings, and (2) 1/2” x 2-1/8” at washers, to mount the
Chute to the Chute Guides.
STEP - 22
OPTIONAL
Install the Center-dump Chute. Use (2) 3/8-16 x 1-1/2” hex bolts and (2) 3/8”-16 hex nuts to attach
the Chute to the shell. Slide the bolt through the chute, then turn the nut on to the bolt. Once the
bolt is on, turn the bolt into the tapped hole which is located on the tab welded to the shell. Tighten
the bolt and nut once nished.
-12-
STEP - 23
GC15t-1 Gravity WaGon assembly
Install the Chains. Use (2) 8.8 M10 x 25 MM serrated ange hex head bolts and (2) M10 serrated
ange hex head nuts to install the Chains.
STEP - 24
Install the Manual Holder. Use (2) 1/4”-20 x 1” carriage bolts and (2) 1/4” hex nuts to attach the
Manual Holder to the front leg.
-13-
STEP - 25
GC15t-1 Gravity WaGon assembly
Install the Wire Wrap Bar. Use (2) 1/4”-20 x 3/4” self tapping screws to install the bar. Self tap your
rst screw at the labeled dimension. Do not tighten the screw all of the way. Now level the wire-
STEP - 26
wrap bar to the ground. Install the last screw. Completely tighten both self tapping screws.
Begin to assemble the 16 Ton Running Gear. Start by sliding the Coupling Pole Weldment through
the Rear Axle and the Retaining Ring. Use a 1” x 6-1/2” Hex Bolt and a 1” Centerlock Hex Nut to
attach the Retaining Ring and Coupling Pole Weldment to the Rear Axle.
-14-
STEP - 27
GC15t-1 Gravity WaGon assembly
Attach the Front Axle to the Coupling Pole Weldment. From the bottom, attach the Front Axle
with (3) 1” x 6-1/2” hex bolts and (3) 1” centerlock hex nuts.
STEP - 28
Attach the tongue to the front axle. Use a 1-1/4” Kingpin, 1-1/4” at washer, and (2) 1-1/4” cen-
terlock hex nuts to attach the tongue to the front axle. en snap the (2) tongue springs in place.
Attach them to the front axle rst, then li the front of the tongue up until it is possible to install
the tongue springs. Once the springs are attached, set the tongue back onto the ground.
Tighten all of the hardware on the 16 ton running gear.
-15-
STEP - 29
GC15t-1 Gravity WaGon assembly
Mount all four tires to the hubs. Use (8) 5/8” ange lugnuts to install each tire. e lugnuts need to
torqued at 400 . lbs.
STEP - 30
Install the brake system. Start with attaching the rubber hose to the Master Cylinder.
Next run the brake line through the Front axle to the Tee in the brake line. Now run
two brake lines from the Tee. Run one to each brake assembly. Tighten all of the brake
lines once installed.
-16-
STEP - 30 CONTINUED
GC15t-1 Gravity WaGon assembly
Secure the brake
line with zip ties.
STEP - 31
3225 Lbs
1463 Kgs
Transfer the Shell body onto the 16 ton running gear. Use an appropriately rated chain to safely
carry the shell body. Attach the chain inside of both red circles.
-17-
STEP - 32
GC15t-1 Gravity WaGon assembly
Attach the shell body to the 16 ton running gear. Starting in the rear, use (4) 1/2” x 6” hex bolts,
(4) 1/2” centerlock hex nuts, (8) 1/2” at washers, a 7/8” x 8” hex bolt, (2) 7/8” at washers, and
a 7/8” centerlock hex nut to join the shell body and running gear. Tighten all of the hardware in-
STEP - 33
stalled in this step. Only tighten the 7/8” centerlock hex nut an 1/8” past the end of the bolt.
ese washers
are used as shims.
Finish attaching the shell body to the 16 ton running gear. Use (4) 1/2” x 6” hex bolts, (4) 1/2”
centerlock hex nuts and (16) 1/2” at washers to fasten the shell to the running gear.
Tighten all of the hardware installed in this step.
-18-
STEP - 34
GC15t-1 Gravity WaGon assembly
Install the wiring harness. Run the harness through the steel runner starting from the
front. Aer installation, plug the harness into make sure the lights are working properly.
-19-
e parts manual will be available online aer
3/15/2013. Find it at www.jm-inc.com
Loading...