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To maintain optimum performance and safety, regular maintenance needs to be carried out. The only
user maintenance required on these tools is the replacement of drive shaft and the silencer. Any other
maintenance or repairs should be carried out by Norbar or a Norbar approved agent and should form part
of a service. Service intervals will depend on the type of usage of the tools and the environment in which
they are being used.
AIR LUBRICATION:-____________________________________________________________
Add Shell Tellus 15 or equivalent good quality hydraulic oil to the Lubro unit.
NOTE: Lubro unit should run at 6 drops/minute
GEARBOX:-___________________________________________________________________
Under normal operating conditions it is not necessary to re-grease the gearbox. The gearbox contains
Lubcon Turmogrease Li 802 EP or equivalent good quality grease.
SILENCER:-___________________________________________________________________
The silencer (#18591) must be changed every 12 months. This may be more frequent for high tool usage
or dirty environments.
TIP: Change silencer with tool upside
down, as shown, to ensure
internal parts (spring & valve) are
kept in place.
1. Remove M4 screw (A) (#25381.10) using
a 2.5mm hexagon key.
2. Remove pin (B) (#26284) using a pin
punch.
3. Pull out air inlet tube (D) with base plate
& silencer.
4. Remove silencer (E) from air inlet tube.
5. Fit new silencer (#18591) over air inlet
tube.
6. Fit air inlet tube assembly (C, D & E) into
handle against spring resistance.
7. Fit pin (B) with a hammer.
8. Fit screw (A) hand tight. Do not over
tighten this screw as it is likely to break
the base plate moulding.(0.5N.m MAX)
TIP: When refitting air inlet tube
assembly into handle care should
be taken to ensure correct
alignment between air inlet tube &
spring. It may be easier to fit the
spring into air inlet tube first and
secure with a small amount of
grease.
MAINTENANCE
Figure 7
PAGE 9 OF 13
ISSUE 1
02 2006
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