Section 4
4 - 1
Repairs
General
This section includes the removal and disassembly of
all major assemblies, inspection of components, and
reassembly and installation. The wear points detailed in
Figure 4-8 should be inspected at the time of disassembly
so that worn parts may be ordered and replaced prior to
reassembly. If the winch is to be completely overhauled,
perform the removal, disassembly, inspection and
reassembly procedures in the sequence of the following
paragraphs.
NOTE: Always use the troubleshooting procedures
given in Section 2 to locate a malfunction before
performing a major overhaul of the unit. Make all
checks in a systematic manner. Haphazard checking
wastes time and can cause further damage.
Review and perform any adjustments that may be the
cause of a malfunction (refer to Section 3).
Use new seals, gaskets and O-rings when installing
components.
CAUTION
Cleanliness is of extreme importance in the
repair and overhaul of any hydraulic unit.
Before attempting any repairs, the exterior
of the winch must be thoroughly cleaned
to prevent the possibility of contamination.
Winch Removal
1.
Drain the oil from the winch.
2.
Remove the arch or fairlead from the winch. If these
accessories are left on the winch, the winch will not
remain level when lifted from the tractor.
3. Remove the wire rope from the drum. Clean the
outside of the winch and the area where the winch
contacts the tractor.
WARNING
Be careful when you remove the wire rope
from the drum. The end of the wire rope can
move like a compressed spring, causing
an injury when the ferrule is released from
the drum.
4.
Disconnect hoses and wire harness from tractor.
5. Connect slings and a crane or lifting device to the
winch.
WARNING
The slings and crane used to lift the winch
must have a minimum lifting capacity of
1500 kg (3000 lb.).
6. Remove the mounting hardware securing winch to
tractor.
NOTE: When removing the mounting nuts or
capscrews, loosen all nuts slightly, then pry winch
away from mounting pad. Loosen all nuts again and
pry winch again. Continue this sequence until winch
can be removed.
Winch Disassembly
Most repairs require disassembly of the winch, although
many major assemblies can be removed from the winch
with the winch still on the tractor. The procedures in this
section describe a complete unit overhaul with the winch
removed from the tractor.
Summary of Contents for H6H
Page 3: ......
Page 9: ...vi Notes...
Page 49: ...General 1 40 Notes...
Page 65: ...General 1 56 Notes Notes...
Page 71: ...Troubleshooting 2 6 Notes...
Page 78: ...Section 3 3 7 Notes...
Page 79: ...Service 3 8 Notes...
Page 84: ...Section 4 4 5 Intentionally Blank...
Page 92: ...Section 4 4 13 7 Remove the counterbalance relief manifold...
Page 96: ...Section 4 4 17 Intentionally Blank...
Page 98: ...Section 4 4 19 7 Separate the clutch hub and the pressure plate CLUTCH HUB PRESSURE PLATE...
Page 102: ...Section 4 4 23 Intentionally Blank...
Page 112: ...Section 4 4 33 Intentionally Blank...
Page 126: ...Section 4 4 47 Intentionally Blank...
Page 132: ...Section 4 4 53 Notes...
