![background image](http://html1.mh-extra.com/html/bush-hog/dhm-series/dhm-series_operators-manual_2834793139.webp)
OPERATION
DHM 8, 9, 10 05/19
Operation Section 4-39
© 2019 Alamo Group Inc.
OPERA
TION
15. TROUBLESHOOTING GUIDE
Problem
Possible Cause
Remedy
The disk carrier bar vibrates
1. The nylon bushings of the joints
1. Replace the bushings.
too much during work
in question are overworn or
completely worn out.
2. The pins and/or respective
2. Replace the worn-out parts
bushings/bearings of the joints
and lubricate regularly.
in question are overworn.
3. The outer conveyor is too slack
3. Check that it is fastened correctly
and check the nylon bushings.
The disk carrier bar does not
1. The height of the tractor coupling
1. Readjust as specified in operations
adapt correctly to uneven
plate is not adjusted correctly.
section (in particular check that both
ground.
ball-and-socket joints are the same
height above ground.
2. The machine joints resist free
2. Clean and lubricate the parts in
rotation.
question.
The disk carrier bar is not
1. The entire machine is leaning
1. Check that both hoist ball-and-
raised parallel to the ground
one side.
socket joints are at the same height
above ground; the transverse slant of
chain is not adjusted, correctly the
chain to the correct length and fasten
one of the circlips into slot.
Earth accumulates between
1. The ground is exceptionally wet;
1. Use the tractor hoist to raise the
two sliding blocks in the front
the bar presses to hard on the
machine higher above the ground and
part of the disk carrier bar
ground.
then readjust the chain giving minimum
height above ground.
2. The disk carrier bar tilts too far
2. Adjust the tilt of axle by moving
forward.
turnbuckle on the third point.
Safety device often unhooks
1. The rubber buffer is worn out or
1. Check the condition of the rubber
under impact.
is not adjusted correctly.
buffer and if necessary, tighten the
relevant screw very carefully (danger of
unhooking when it receives blows that
are too strong for the machine
structure) until hooking occurs at
reasonable intervals only.
Summary of Contents for DHM Series
Page 2: ......
Page 9: ...Safety Section 1 1 SAFETY SECTION...
Page 26: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 18 2019 Alamo Group Inc SAFETY...
Page 27: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 19 2019 Alamo Group Inc SAFETY...
Page 28: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 20 2019 Alamo Group Inc SAFETY...
Page 30: ......
Page 31: ......
Page 57: ......
Page 83: ...Introduction Section 2 1 2019 Alamo Group Inc INTRODUCTION SECTION...
Page 88: ......
Page 89: ...Assembly Section 3 1 ASSEMBLY SECTION...
Page 101: ...Operation Section 4 1 OPERATION SECTION...
Page 141: ...Maintenance Section 5 1 2019 Alamo Group Inc MAINTENANCE SECTION...
Page 148: ...MAINTENANCE DHM 8 9 10 05 19 Maintenance Section 5 8 2019 Alamo Group Inc MAINTENANCE...
Page 150: ...DHM7 8 9 10 05 19 P N50078287 Printed U S A DISC MOWER DHM8 DHM9 DHM10...