DMF ROTO-180, Installation And Parts & Service Manual

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DIVERSIFIED METAL FABRICATORS, INC. ROTO 180
© 2017 DMF, Inc. All Rights Reserved. 3-13
B. Make sure the dump body has not been overloaded or the upper subframe (mounted to
the dump body) is not touching the lower subframe (mounted to the truck) in any place
other than at the bearing.
• If there is contact, the dump body will have difficulty swinging.
C. Verify all pivot points have been greased on the subframe, see Section 3.2.
D. Check for hydraulic system failures.
1. Test the system manually using the PVG Valves to duplicate the operation not
functioning properly.
• If the system responds correctly the issue is electrically related.
• If the system does not respond, there is a hydraulic issue. Reference the
hydraulic troubleshooting in Section 3.4.8.
E. Check for electrical system failures.
1. Enable the wireless remote, if equipped, following Section 2.4.1.
2. Duplicate the operation not responding using the wireless remote.
• If the remote works, there is a problem with the joystick or the joystick
wiring, reference the electrical troubleshooting in Section 3.4.9.
• If the system does work, there is an overall electrical system issue. Refer
to Section 3.4.9.
Dump body is not moving in intended direction
A. Address common errors, see Section 3.4.1.
B. The swing direction indicates the tailgate position of the dump body.
C. Check for hydraulic failures.
1. Test the system manually using the PVG Valves to duplicate the movement not
working properly, see Section 2.4.
• If the system responds correctly, the issue is electrically related.
• If the system does not respond correctly there is a hydraulic issue.
Reference the hydraulic troubleshooting Section 3.4.8.
D. Check for electrical system failures.
1. If equipped, enable the wireless remote following Section 2.3.1.
2. Duplicate the movement that is not working properly.
• If the remote works properly, there is an issue with the joystick, reference
Section 3.4.9.
• If the remote does not work properly, there is an overall issue with the
electrical system. See Section 3.4.9.
3.4.6
Tailgate Troubleshooting
Tailgate is not opening
E. Address common errors, see Section 3.4.1.
F. Verify tailgate cylinder is operating properly.
1. With the dump body lowered and empty, operate the tailgate manually using the
PVG Valves in both directions. Note the direction of the cylinder during both
movements.
• If the cylinder does not move or moves in the opposite direction there is a
hydraulics issue, reference hydraulic troubleshooting Section 3.4.8.
2. Operate the tailgate from the keypad in both directions looking for cylinder
movement.
• If the cylinder moves in the opposite direction intended, or does not move
at all, there is an electrical issue. Reference the electrical troubleshooting
Section 3.4.9. Check the keypad for system faults, see Section 3.4.3.
G. Tailgate is not closing properly.
1. Verify latch is properly being closed. Ensure tailgate has closed properly and is
restrained by the tailgate latch.
2. The dump body must be lowered fully before latching the tailgate.