SCARAB MINOR Euro 3
Original Issue - 19 August 2003
Operator’s Manual
Page 9
KEY MAINTENANCE PROCEDURES
CLEANING THE SUCTION FAN
WARNINGS:
FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY.
1. BEFORE WORKING ON THE MACHINE POSITION IT ON FIRM, LEVEL
GROUND, APPLY HANDBRAKE, STOP ENGINE & REMOVE IGNITION KEY.
2. ALWAYS USE THE HOPPER PROP TO SUPPORT A RAISED HOPPER.
3. THE FAN IS AN EXTREMELY HEAVY ROTATING MASS. NEVER ATTEMPT
TO SLOW OR STOP ITS ROTATION BY USING THE HANDS OR BY
INSERTING ANY ITEM INTO THE FAN CHAMBER, EVEN AT LOW SPEEDS.
4. BEFORE REMOVING THE SUCTION FAN ACCESS PANELS, ENSURE THAT
THE ENGINE IS OFF AND THAT THE IGNITION KEY HAS BEEN REMOVED.
5. ALWAYS WEAR SUITABLE EYE PROTECTION WHEN USING THE HAND
LANCE.
1.
Raise the hopper and deploy the hopper prop.
2.
Switch off the engine and remove the ignition keys.
3.
Remove the outer inspection cover from the hopper and the inner
cover from the fan housing to expose the fan (Refer to Fig. 3).
4.
Using high-pressure water from the jetting lance and the special
scraper, as necessary, thoroughly clean the fan. Pay particular
attention to the inside curve of each impellor blade and to the
area around the fan hub.
5.
Refit the inspection covers and lower the hopper.
WARNING:
LOOSE PARTICLES FROM THE CLEANING PROCESS CAN BE EJECTED FROM
THE FAN CASING VIA THE HOPPER COVER WHEN THE FAN IS RESTARTED.
ENSURE THAT THE AREA AROUND THE MACHINE IS CLEAR BEFORE
RESTARTING.
Fig. 3 Inspecting & Cleaning the Suction Fan
PAY PARTICULAR
ATTENTION TO
INNER CURVE OF
BLADES
To remove the hopper cover for cleaning
and inspection of the fan exhaust duct
area, release the five clips arrowed above.
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