DIVERSIFIED METAL FABRICATORS, INC.
ROTO 180
3-8
© 2017 DMF, Inc. All Rights Reserved.
NOTE
The dump body’s rear end should swing in the direction indicated by the control switch.
Dump body swings too fast
A.
If the body swings too fast, flow controls are located in the upper subframe on the back
side of the manifold.
B.
Turning the adjuster knob clockwise will restrict fluid flow and slow down the swing
speed.
NOTE
The ROTO will not swing until the body is raised to clear the center lock pin. Make sure
to set the support strut before doing any work within the subframe.
3.3.3
Hydraulic Troubleshooting
A.
Address common issues, see Section 3.3.1.
B.
Verify the issue is hydraulic related.
1.
Operate the problematic function and listen for hydraulic loading.
2.
Operate one of the other functions and listen for hydraulic loading.
•
If there is no hydraulic loading with either of the operations there is an
electrical issue or an issue with the pump. Verify the issue with the pump
by attempting to operate the Railgear or hydraulic Raildogs if equipped.
Refer to the owner’s manual of the pump if the hydraulic functions do not
work.
•
If hydraulic loading occurs there is no issue with the hydraulic pump. The
issue is related to hydraulic system. Continue on for troubleshooting.
C.
Check for hydraulic leaks.
1.
Check the hydraulic tank fluid level for adequate fluid. If the dump body has
been raised, take this into account when checking the level.
2.
Check around the truck for any signs of system leaks.
•
If found, replace or tighten hoses and fittings as necessary.
3.
Engage PTO as outlined in the PTO Operations Manual provided with the truck.
Check again for leaks and damaged hoses.
•
If found, replace or tighten hoses as necessary.
•
If the leak check does not fix the problem continue on.
D.
Determine if the trouble is related to the system as a whole.
1.
Operate one of the other functions and the Railgear to help locate the hydraulic
issue.
•
If the other operation functions normally there may be an issue with the
hydraulic plumbing. See Section 6 for hydraulic schematic. If after
checking and the plumbing is correct, there is an issue with either the
electrical or manifold. See Section 3.3.4 for electrical troubleshooting.
•
If the alternate operation does not function check the filter and replace as
needed. If this does not solve the problem the manifold should be
replaced.
3.3.4
Electrical System Troubleshooting
A.
Determine if issue is localized or involves the whole electrical system.
1.
Operate multiple functions to see if the system responds.
2.
Test the swing function and listen for the swing alarm.
•
If the body moves and the swing alarm sound, the problem is local to that
function and does not involve the whole system. Continue on for
troubleshooting.
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