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Routine Service and Maintenance
Configuring the Chain
To configure the chain, complete the following procedures:
Select the chain configuration you want to install from the chain configuration illustrations
(Configurations A - E, Figure 4–22) and obtain all necessary parts.
1. Lower the trencher boom, stop the engine, and remove the key.
2. Remove the unneeded teeth and other hardware from the links on the top span of the chain.
When removing teeth, keep the components of each tooth
set together so you can assemble them later.
3. Install each tooth set across the top span from front to back, in the order listed in the
appropriate chain configuration table.
Install the tooth configuration illustrated for station 1 first, followed by the tooth configuration
for station 2, and so on.
4. Torque the bolts to 27 to 33 ft.-lb.
5. When all positions are installed on the top span, start the engine, raise the trencher slightly
off the ground using the trencher boom, and slowly run the chain forward to expose a new
section of chain.
6. Stop the engine and remove the key.
7. Repeat steps 3 through 7 until all chain positions have been changed.
NOTICE
NOTICE