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Watkiss Automatic SpineMaster Service Manual - Edited 17/06/04
Service Procedures
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Replacing Components
4.8.6 Replacing the Transverse Drive Chain
The Transverse Drive Chain will need to be replaced if it has visibly worn. The
Chain is pre-stretched so it is unlikely that it will loosen to the extent that the
tension cannot be set correctly. The Chain should not be replaced by an
ordinary chain.
Procedure
1. Make sure the Carriage is parked on the LH side of the machine.
2. Switch off the power and disconnect the mains input lead. Position the
ASM so that both sides are easily accessible.
3. Remove the Top Delivery Assembly.
4. Remove the Side Covers.
5. Position the carriage to give access to the Chain Link Shaft from the Rear
Access Panel.
6. Undo the two screws that hold the Chain Link Shaft (265-683) to the Car-
riage. These screws can be accessed from the rear of the ASM. Be aware
that the Sensor Flag is also attached to the Carriage with these two screws.
7. Unbolt both Idler Sprockets. The Chain can now be removed from the ma-
chine.
8. Remove the Chain Link Shaft from the old Chain, and replace it in the new
Chain.
PARTS REQUIRED
TOOLS REQUIRED
192-500 Transverse Drive Chain
3mm Allen Key
951-007 Loctite 242
5mm Allen Key (2 off)
Figure 4:29 Accessing the Chain Link Shaft
Chain Link Shaft
Top Delivery Assembly Release Catch
Figure 4:30 Accessing the Chain Link Shaft screws
Carriage
Cut-out in Drive Mounting Plate
Transverse Chain
