Record Power BS350S Original Instruction Manual page 28

11. Maintenance
CAUTION!
Before carrying out any adjustments or maintenance ensure
Kg
that the machine is isolated and disconnected from the
electricity supply.
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11.2 Replacing the drive belt
To replace the drive belt simply loosen the tension on the belt using the
belt tension handle. Remove the lower bandwheel by undoing the 13 mm
nut on the hub. Remove the old belt and fit the new one Fig.11.4. Once
the drive belt is in place re-fit the lower bandwheel and re-fit the circlip.
Now tension the drive belt using the belt tension handle. For further
information on tensioning the drive belt please see section 7.1.
11.3 The blade guide system
In general usage it is advisable to carefully apply silicone spray to the blade
guides to ensure free movement of the rollers, do not use oil or grease for
lubrication as this will attract dust and cause the rollers to jam. The blade
guide system is a consumable item and depending on usage will wear and
may need replacing.
When replacing components on the upper guide assembly first ensure
that the blade is removed. Undo hex nuts A & B then remove the guard,
Fig.11.5. Once the guard is removed then the various components can
be accessed and replaced. Undo the relevant hex nuts for either the guide
rollers or rear thrust roller Fig.11.6 and fit the new parts. Once the new
components are fitted. The blade should be re-fitted Section 11.1 and the
guides adjusted as shown in Section 6.3.
When replacing components on the lower guide assembly first ensure
that the blade is removed. Undo hex nuts C & D and remove the guards.
Fig.11.7. Once the guard is removed then the various components can
be accessed and replaced. The roller bearings are shown in Fig. 11.7
and the thrust roller bearing at the rear Fig.11.8. This is done by simply
undoing the relevant hex head screw and replacing the part. Once the new
components are fitted. The blade should be re-fitted Section 11.1 and the
guides adjusted as shown in Section 6.3.
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- cont.
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Fig.11.4
13 mm HUB NUT
DRIVE BELT
Fig.11.5
A
B
Fig.11.6
Fig.11.7
SIDE ROLLER HEX SCREWS
C
Fig.11.8
GUARD
THRUST ROLLER HEX NUT
GUIDE ROLLER HEX NUTS
D
THRUST ROLLER HEX SCREW