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OPERATION AND MAINTENANCE
Lubrication Maintenance
1. Table 5-1 specifies the number and the period of
lubrication points on the 6510 Disc. Proper
maintenance of your machine will, under normal
operating conditions, help to keep it operating at or
near its peak performance for an extended period of
time. Proper maintenance is also a condition of
keeping your warranty in good status (See
Figure 5-12.)
2. When lubricating the 6510, SAE multi-purpose EP
grease, or EP grease with 3-5% molybdenum sulfide
is recommended. Wipe soil from fittings before
greasing. Replace any lost or broken fittings
immediately.
3. Disc gang bearings are an oil bath bearing assembly
consisting of 2 tapered rolling bearings encased in a
cast housing. The lubrication inside the
self-contained housing is SAE 90 mineral gear
oil.The oil level should be checked on a weekly basis
to ensure proper function and normal function life.
The oil should also be replaced every 1,000 hours
of service.
4. To prepare for checking oil level, park machine on a
level uniform surface and install transport lock on lift
system. Do not depend solely on the implement
hydraulics. Clean the area around the filler plug to
keep dirt out of bearing assembly. As a precaution,
place a drain pan under the plug to catch any oil that
may leak out.
5. To check oil level in bearings, remove the filler plug
on the center of the housing (See Figure 5-13.) and
check the level at the bottom of the filler plug
opening. If oil begins to leak slowly, then the reservoir
is full. Immediately replace the plug. If oil runs out
freely, let it drain into the drain pan until it seeks its
own level, which is just at the bottom of the filler
plug opening. If the oil level is below the level of the
filler plug, bend a short length of metal wire and
insert into the filler plug opening. Pull the wire out
and note the oil level. If the level is below ½" below
filler plug opening, add SAE 90 mineral gear oil to
bring it up to the recommended level. Check the plug
for damage to the threads. Apply thread sealer on
filler plug threads and replace the filler plug into the
housing.
6. To prepare for replacing the oil if bearing is still
fastened to frame, park machine on a level uniform
surface and install transport lock on lift system. Do
not depend solely on the implement hydraulics.Clean
the area around the filler plug to keep dirt out of
bearing assembly. Place a drain pan under the plug
to catch any oil that may leak out.
5-10
Figure 5-13: Filler Plug Location
7. To replace oil if bearing is still fastened to frame,
remove the filler plug on the center of the housing
(See Figure 5-13.) Use a suction pump to draw out
the oil by hand from the filler plug opening. Inspect
old oil for any metal flakes or shavings that could be
caused by excessive bearing wear. Using SAE 90
mineral gear oil, fill housing with oil to the
recommended level. Check the plug for damage to
the threads. Apply thread sealer on filler plug threads
and replace the filler plug into the housing.
8. Recommended: To prepare for replacing the oil if
bearing is free from frame, place bearing assembly
on a level and stable surface. Clean the area around
the filler plug to keep dirt out of bearing
assembly.Place a drain pan under the plug to catch
all the oil.
9. Recommended: To replace oil if bearing is free from
frame, remove the filler plug on the center of the
housing (.See Figure 5-13.) Rotate the bearing
assembly until the filler plug opening is pointed
downward and allow oil to drain into drain pan.
Inspect old oil for any metal flakes or shavings that
could be caused by excessive bearing wear. Using
SAE 90 mineral gear oil, fill housing with oil to the
recommended level. Check the plug for damage to
the threads. Apply thread sealer on filler plug threads
and replace the filler plug into the housing.
F-753-0914 Edition
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