4. Using a 2mm hex key, remove the 2 screws in the brass belt-tensioning block. Note that one link protrudes
from the brass belt block.
5. Remove and replace the rail drive belt.
NOTE: The replacement rail drive belt is provided precut to the correct length.
5.4.3.5 Replacing the Rail Buoyancy Springs
Refer to “Figure 5-31 Replacing the Rail Buoyancy Springs”.
1. Using a 5.5 mm wrench, remove the Nylok nuts that secure the spring to the plastic belt block. The springs
will roll back around their spools.
2. The spools slide out of their mounting slots. To reinstall the spools, assemble each of the spools by wedging
them into the rail with the plastic washers at either end of each spool, then slide all the assemble spools
into their mounting slots at the same time. Lubricate the spring spools by placing a drop of Lubriplate
where the spool hub seats in the slot.
NOTE: Replace all the buoyancy springs in an upright at the same time.
NOTE: When reassembling the rails, be sure the leaf spring is on top of the micro switch to prevent the switch
from breaking o.
Belt block
Buoyancy springs
Spring spools
Belt channel
Micro-switch
Nylok nuts
Figure 5-31 Replacing the Rail Buoyancy Springs
© 2001 by Datex-Ohmeda, Inc.. All rights reserved. 6600-0343-000 104 99
Chapter 5: Repair Procedures
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