F74 5
Relieving the chain
If the crawler chain is too tight, the
crawler chain relieve need to be
carried out.
Relieve：
- Stop the engine.
- Open the right rear cover.
- Connect one side of the drain
hose which from accessory tools
pack to M1 bore on the valve
block, then connect another side to M5 inspection bore on the valve block to
check the scrawler chain tighteness.
Note: The tightening order, connect M1, then connect M5！
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