Page Issue 01Chapter - Wearing Items12:6
VT551 - Maintenance
NOZZLE WHEEL BEARINGS
REMOVAL
To withdraw bearing remove wheel assembly from carriage and remove the three setscrews from the
retaining plate. Refit washer and nut, insert M6c x 50mm setscrews, Part No. 124-113, in the three unused
retainer plate holes. Tighten each bolt half a turn at a time to extract the bearing. Remove drift bearing
from shaft.
REFITTING
Reverse of removal procedures.
SUCTION NOZZLE RUBBERS
REMOVAL
This can be effected without removing the nozzle assembly from the machine but if personnel are
inexperienced it will probably be easier to remove nozzle assembly and turn upside down. Release two
screws retaining bump bar at kerb end of nozzle. Release securing nuts retaining the rubbers. Pull away
the two short end rubbers, then remove the front and rear side rubbers.
REFITTING
Reverse of removal procedure remembering to fit the radius rubber to the nozzle rear. Do not over tighten
the nuts as this will cause distortion of the rubber. Refit bump bar.
CHANNEL BRUSH
REMOVAL
It is preferable to have brush in working position with auxiliary engine stopped. Release four nuts from
coach bolts securing brush stock assembly drive plate. Remove brush.
REFITTING
Reverse of removal procedure. Any loops of steel tines which project above the head of the stock should
be hammered flush before offering up brush stock assembly to driving plate.
WIDE SWEEP BRUSH CORE ASSEMBLY
See Chapter 6 in the Operator’s Guide.
Sharp objects
Sharp objects
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