7-8 LeeBoy Model 8510B Conveyor Paver
Maintenance
100-Hour or Monthly Routine
Maintenance
1. Position the torque hub so the center plug (Figure
7-3,1) is at the twelve o’clock position. Remove
the plug either at the three or nine o’clock position
(Figure 7-3,2). If oil comes out, no oil is needed.
Insert plug and tighten. If oil does not come
out, remove the plug at the 12 o’clock position
and ll torque hub with specied gear oil (see
Specications in Section 4) until oil starts to appear
at the other hole. Replace both plugs and repeat
process on other torque hub.
Torque Hub Plug Orientation
Figure 7-3
1 - Center Plug
2 - Side Plugs
2. Perform any other engine preventive maintenance
as described in the engine operator’s manual.
3. Check and adjust all chains, as required (see
Conveyor Drive Chain Adjustment in Section 7).
250-Hour or Quarterly Routine
Maintenance
1. Perform the 250-hour preventive maintenance as
described in the engine operator’s manual.
2. Change charge lter between valve bank and main
pump.
3. Change return lter on hydraulic tank.
4. Check air cleaner, if the engine is equipped with a
dry type element.
Improperly serviced air cleaners
quickly wear out engines and piston rings.
500-Hour or Semi-Annual
Routine Maintenance
1. All bearings are sealed and have grease ttings.
These should be greased with multipurpose grease
using a hand grease gun. Be careful to avoid
blowing the seals.
2. Perform the 500-hour preventive maintenance as
described in the engine operator’s manual.
3. Replace dry type air lter, if equipped. Refer to
the current engine operator’s manual for service
information.
4. Change engine oil. To assure complete removal of
contaminants in the oil, perform the oil change while
engine is warm.
5. After draining used oil, clean and reinstall
drain plug and ll crankcase to the full mark
with manufacturer’s recommended oil (see
Specications in Section 4).
6. Change engine oil and lters.
NOTE: For your convenience there is an oil drain hose
located inside of the right-hand side cover on the
paver. The hose is accessible without removing
cover, stick hose through hole in side.
7. Change oil in conveyor torque hubs, (see
Specications in Section 4).
8. Change oil in drive torque hubs, (see Specications
in Section 4).
1000-Hour or Annual Routine
Maintenance
1. Drain and ush the hydraulic tank. A drain plug is
located on the bottom of the tank for this purpose.
Fill as required (see Changing Hydraulic Oil in
Section 7).
2. Perform the 1000-hour preventive maintenance as
described in the engine operator’s manual.
3. Change oil in conveyor torque hubs, (see
Specications in Section 4).
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