Thomas 85 - Air Cleaner Maintenance

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4 MAINTENANCE
4. 7G Bleeding the Fuel System - Diesel:
Be sure that the fuel tank is full and the fuel shut-off cock
is open. Remove air as follows:
(1) Open the vent screw on top of the fuel filter until air -
free fuel runs from the vent plug.
(2) Loosen the injection pump vent screw (Fig. 4. 7G).
Turn the engine over with the starter motor until air-
free fuel runs from the vent screw. Tighten the vent
screw.
(3) Place the throttle control in maximum forward
position and turn the engine over with the starter
motor for a few seconds to remove air from the high
pressure fuel lines.
If there is still air in the fuel system, start again at step 1
and repeat the above procedure.
4. 8 AIR CLEANER MAINTENANCE
4. 8A Daily Maintenance
Inspect the air cleaner service indicator (Fig. 4. 8) daily. If
the indicator element shows red, the filter element must be
replaced.
4. 8B Servicing Cleaner Element
To replace the air filter element; loosen the clamp
assembly (Fig. 4. 8). Remove the dust cup assembly.
Remove the baffle from the cup and empty. Remove the
wing nut and filter.
With a damp cloth clean out the inside of the body. Inspect
the seal on the new element for damage and install the
element in the filter body. Be sure the wing nut securing
the element is tight. Reinstall the baffle in the dust cup and
install. Be sure the dust cup is sealed 360Þ around the air
cleaner body. Reset the restriction indicator.
WARNING
To avoid personal injury:
Stop, Cool and Clean the
engine of flammable
materials before
servicing. Never service
or adjust machine with
engine running.
C3265
FIG. 4. 8